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C H A P T E R 5 A P P L I C A T I O N E X A M P L E S

V100 Versatile Multiplexer Technical Manual Version 2.2

Page 199 of 231

In order for the system to use the ISDN adaptor as its aggregate, the implicit routing is not sufficient,
since the unit cannot communicate with any other nodes without any permanent aggregates set. It is

therefore necessary to set the ROUTING pages as follows:.

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Summary of Contents for V100

Page 1: ...V100 Versatile Multiplexer Technical Manual Version 2 2 Page 1 of 231 V 1 0 0 V E R S A T I L E M U L T I P L E X E R V 1 0 0 C O M P A C T M U L T I P L E X E R Technical Manual www vocality com ...

Page 2: ...her information contact Vocality International Ltd Lydling Barn Lydling Farm Puttenham Lane Shackleford Surrey GU8 6AP United Kingdom Tel 44 0 1483 813 120 Fax 44 0 1483 813 121 For technical support email support vocality com For sales information email sales vocality com For online support registered users should visit www vocality com and select the support section ...

Page 3: ...etworks 15 1 3 2 Mesh Networks 16 1 3 3 Broadcast Networks 17 2 INSTALLATION 18 2 1 Supply and Voltage Connection 18 2 1 1 V100 Versatile Multiplexer 18 2 1 2 V100 Compact Multiplexer 18 2 2 Environmental 18 2 3 Mechanical Construction 18 2 3 1 V100 Versatile Multiplexer 18 2 3 2 V100 Compact Multiplexer 19 2 4 Option Card Installation 19 2 4 1 Analogue Voice Fax Card 19 2 4 1 1 FXS mode 21 2 4 1 ...

Page 4: ...6 The DATA menu 65 3 4 6 1 Asynchronous Channels 70 3 4 7 The AUDIO Card menu 71 3 4 8 The ROUTING menu 75 3 4 9 The IP Menu 81 3 4 9 1 The GENERAL menu 82 3 4 9 2 The NETWORKS menu 84 3 4 9 3 The IP STATIC ROUTE TABLE menu 85 3 4 9 4 The ACCESS TABLE menu 86 3 4 9 5 The UDP RELAY TABLE menu 87 3 4 9 6 The DBA POOLS menu 88 3 4 9 7 The MAC SOURCE FILTER TABLE menu 92 3 4 9 8 The SERVICE MANAGEMENT...

Page 5: ... ISDN LOG menu 141 4 3 12 The BoD LOG menu 142 4 3 13 The IP LOG menu 143 4 3 14 The ALL LOGS menu 144 4 3 15 The LOG HELP menu 145 4 4 Call Progress Tones 145 4 5 Dynamic Bandwidth Allocation 146 4 6 Asymmetric Bandwidth 147 4 7 Clocks 148 4 7 1 Port Clocks 148 4 7 2 Global Clocks 149 4 7 3 Phase Locked Loops 149 4 8 Broadcast Mode 150 4 9 Expansion The High Speed Channel HSC 155 4 9 1 HSC Data 1...

Page 6: ...te Modems 191 5 3 Use with Inmarsat M4 Terminals 196 5 4 Use with IP Aggregates 202 6 APPENDIX A SAFETY AND APPROVALS 209 6 1 DECLARATION OF CONFORMITY 211 7 APPENDIX B PORT NUMBERING 212 8 APPENDIX C PIN ASSIGNMENTS 213 8 1 Supervisor Alarm Port 213 8 2 High Speed Channel HSC Port 213 8 3 Data Ports 214 8 4 Analogue Voice Ports 214 8 5 MPEG Audio 215 8 6 BRI Extender 215 8 7 10 100base T Port 215...

Page 7: ...ile Multiplexer Technical Manual Version 2 2 Page 7 of 231 9 7 Back to Back Cable 225 9 8 High Speed Channel Cable 226 10 APPENDIX E SPECIFICATIONS 227 11 APPENDIX F PART CODES 230 12 APPENDIX G ABBREVIATIONS 231 ...

Page 8: ... the V100 ideal for military or commercial deployment in remote areas By linking many chassis together a sophisticated hub site can be commissioned which exploits the versatile routing and bandwidth agility of the product The V100 allows voice data audio and IP sources termed as tributaries to be multiplexed together over common network paths termed as aggregates between V100s All data ports are v...

Page 9: ... units together If more than two units are required to be connected at the hub this can be achieved by using back to back cables or by configuring IP Aggregates This bus may be used to route traffic between any two units in the stack thereby expanding the number of available channels Chassis linked together in this way may thus operate as one cohesive unit and subject to bandwidth restriction aggr...

Page 10: ...ephone units This demodulates the encrypted traffic and passes it as data to the remote unit where it is remodulated for the secure telephone at that end The key benefit is that the encrypted traffic can then pass through a low speed compressed voice channel thereby saving valuable bandwidth At no time is the sensitive traffic decrypted 1 2 3 Data The V100 chassis has two dedicated data ports in t...

Page 11: ...nectors and also supports digital stereo AES EBU operation with connection via the left channel The local encoder decoder algorithms may be different with decoders automatically synchronising to the received coding sample rate and bit rate The V100 system is designed to operate on asymmetric links through its versatile clocking architecture It is therefore not only possible to select different cod...

Page 12: ... full duplex data to pass between linked units and also carries receive and transmit clock signals to all units In this way any data port on either unit may be used as an aggregate WAN port and the demultiplexed data routed to a tributary channel on either chassis via the HSC Full flexibility of clock sourcing via the HSC permits the network clock to be onward linked to any other unit 1 2 10 10 10...

Page 13: ...r link failure by selecting alternative paths If sufficient bandwidth cannot be found via any route call progress tones keep the subscriber informed 1 2 12 Dynamic Bandwidth Allocation DBA The V100 may be programmed to allocate bandwidth dynamically between resources Voice services are granted dedicated bandwidth for the duration of the call or transmission with remaining bandwidth optionally tran...

Page 14: ...deployed in any V100 network In order to maintain and support equipment in the field and also to provide upgrades and feature enhancements all system software is held in field programmable FLASH memory The software release programmed in the factory contains a loader kernel which can communicate with a PC based download utility When an upgrade is requested Vocality International Ltd will supply the...

Page 15: ...0 remotes per chassis at the other Connections may be permanent or dynamic the choice being made by the nature of the traffic Data traffic will require fixed routes whereas voice traffic will usually be switched Here if in band signalling is specified routes will be defined with reference to a directory of network addresses which relate to the decoded dialing digits Connections may be established ...

Page 16: ...as an aggregate link complex networks may be designed which exploit the versatility of the system Point to point connections for data channels ISDN basic rate extension or MPEG audio broadcast happily co exist alongside dynamic voice traffic or asynchronous data links When used in conjunction with a DAMA controller the dynamic bandwidth and advanced compression techniques used by the V100 can prod...

Page 17: ... each site which can be transmitted back to the hub The flexibility of the unit is such that this kind of network topology can be used with all of the voice data and IP facilities to provide a large network of users with fully integrated comms services It may also be desirable to connect various dedicated channels at the same time as these selectable broadcast services The V100 may be configured t...

Page 18: ...onnected to a line voltage within either of the ranges specified above 2 2 Environmental The V100 must be operated under the following conditions Ambient Temperature 0 50 degC Humidity 0 90 RH non condensing Pressure 86 106 Kpa 2 3 Mechanical Construction 2 3 1 V100 Versatile Multiplexer The V100 is housed in a 1U tall 19 rack mount enclosure with an externally mounted fan and guard The enclosure ...

Page 19: ...RevD units and OPTION1 data activity red green The meaning of these indicators is discussed in Section 4 1 2 4 Option Card Installation WARNING STATIC SENSITIVE COMPONENTS ESD PRECAUTIONS MUST BE OBSERVED WHEN FITTING OPTION CARDS REFER TO APPENDIX A REMOVE POWER FROM THE UNIT Option cards are installed from the rear of the unit First unscrew the two blanking plate screws and remove the plate Taki...

Page 20: ...ware selection This card supports four fully independent voice FAX channels The ring voltage power supply module fitted to the motherboard has sufficient capacity for driving all eight channels and does not need to be upgraded The layout and white component identifications on the Voice FAX Daughterboard are identical to those on the Motherboard to aid location when changing jumper settings The loc...

Page 21: ...r 5 selects the polarity of the E lead reference provided by the system relative to chassis ground Jumper 6 selects the polarity to which the M lead detector is referenced In order to register a signal the M lead must be keyed to an external signal 48V more positive than the reference The operation of the voice ports is controlled by the choice of Interface on the configuration screen 2 4 1 1 FXS ...

Page 22: ...ne card of a PABX The port presents a 4 wire voice interface and E M signals No ringing voltages are generated by or should be connected to the ports in Tie line mode The type of E M interface is defined by the jumper settings described above Standard 10pps dialling is detected on the M lead sampled and transferred transparently to be output on the E lead of the remote unit When the unit is powere...

Page 23: ...n the M circuit has an internal impedance of 4K7 and by default is referenced to 48V It can therefore be stimulated by keying the M lead to ground The output signal is provided as a contact closure between the E lead and the EREF lead The active state may be a break or a make selected by JP4 JP2 and JP3 allow the selection of closure impedance and filtering whilst JP5 selects the EREF lead voltage...

Page 24: ... with an E M type I interface the V100 must provide a contact closure to ground on the E lead and a current detector referenced to ground on the M lead Details of the jumper settings are as follows Jumper Description Setting JP2 E lead impedance 1 2 JP5 E lead reference 2 3 JP6 M lead reference 1 2 48v E M M MREF EREF E 0v 48v JP6 JP5 JP2 4K7 V100 PABX ...

Page 25: ...ate with an E M type V interface the V100 must provide a contact closure to ground on the E lead and a current detector referenced 48V on the M lead Details of the jumper settings are as follows Jumper Description Setting JP2 E lead impedance 1 2 JP5 E lead reference 2 3 JP6 M lead reference 2 3 48v E M M MREF EREF E 0v 48v JP6 JP5 JP2 4K7 V100 PABX ...

Page 26: ...moved from the chassis and the Daughter Card plugged in on top of the mating connectors The whole assembly may then be reinstalled in the chassis The Analogue Voice FAX Daughter Card is fitted with a number of jumper links which are identical in position and function to those on the Analogue Voice FAX Motherboard Please refer to section 2 4 1 for details The Daughter Card supports a further four f...

Page 27: ...his way all of the standard features of the voice motherboard are still available with the addition of the ability to relay the encrypted data from military secure telephones both STU IIB and STU III At no time is the secure data decrypted Support for other encrypting telephones may be added by software update The STU Relay Card has no user changeable jumper links and is detected automatically by ...

Page 28: ... also fitted with several jumper links located as follows The Factory Default Jumper Settings are shown in bold italics Jumper Description 1 2 2 3 JP2 CPU clock source Local oscillator V100 system clock JP3 Push button reset do not fit Not fitted N A JP4 Address 17 enable Not fitted N A JP5 Port 1 pin 8 selection EXTXCA GND JP6 Port 2 pin 8 selection EXTXCA GND JP7 Port 3 pin 8 selection EXTXCA GN...

Page 29: ...uality channels which may be used for mono dual mono stereo or joint stereo feeds The rear panel is as follows The card is fitted with a number of jumper links which configure the hardware according to the application All other configuration changes are made by software selection The jumpers are set when the card is commissioned and should not need to be changed thereafter Jumpers JP9 JP10 JP11 an...

Page 30: ...d S0 T0 ISDN basic rate interface This is used to connect to the terrestrial ISDN network in TE mode or to any S0 T0 ISDN terminal device in NT mode There is also a set of 8 DIL switches that should be set according to the intended mode of operation and an array of 12 LEDs which give useful status information at all times The BRI Extender card provides a means of representing a normal basic rate I...

Page 31: ...FF OFF OFF OFF The meaning of the LED indicators is as follows NT green indicates that the card is in NETWORK mode and terminal equipment should be plugged into it TE green indicates that the card is in TERMINAL EQUIPMENT mode and should be plugged into an S0 T0 network port E1 red indicates that there is an error on the local card E2 red indicates that there is an error on the remote card B1 yell...

Page 32: ...prepared connect the TDM card and the interface card together using the mating 16x2 way connectors Position the assembly above JP13 JP14 and JP15 To do this the blanking plate attached to the Interface Card must first be carefully positioned flush with the rear panel of the main unit JP15 34 way on the motherboard mates with the 34 way header at the end of the TDM card only 3 pins a14 a16 of JP13 ...

Page 33: ...same procedure as above for the TDM Serial Interface 2 4 7 4 E1 Link Card The E1 link card V168708 provides an aggregate connection using a framed or unframed 2 048 MHz E1 link The card provides both an RJ45 connector interface and dual BNC Rx TX interface Use the one appropriate to your network equipment NOTE The E1 link card can only be fitted to a V100 revision D4 or later or to a revision D3 u...

Page 34: ... The unit is supplied from the factory with both the operating software and a small loader kernel already programmed into the FLASH memory devices on the main PCB The loader may be used at any time to upload new versions of software in the field as required To upload a new version of software a PC is required and a supervisor cable type VI68724A together with a WindowsTM 95 98 2000 XP utility call...

Page 35: ...x unchecked if you are using an older PC When Windowing is switched on multiple records are sent together instead of each one being sent individually This can significantly improve the transfer speed especially on remote downloads Next select the I D of the unit to program By default the locally connected unit is the download target but by checking the Remote box it is possible to enter the Node I...

Page 36: ...he download of new software to Quad Data cards and E1 Digital Cards housed in the option slot s of the multiplexer To do this the relevant option slot must be checked and the correct card chosen from the drop down menu in the Target Options area of the Flash Loader Please note that for Quad Data cards to be upgraded in this way there is a special hardware modification that is required on the Quad ...

Page 37: ...hassis in the network and it must be programmed into the unit before anything else This is done on the SYSTEM menu see section 3 4 2 for details Once the Node ID has been programmed the unit should be restarted since this allows it to clear all previous routing information and assume the new identity without confusion 3 2 Slot and Port Numbers The V100 Versatile Multiplexer The V100 Compact Chapte...

Page 38: ...el 4 on the card plugged into Option Slot 2 would be called 3 2 4 The integrated IP router is considered to be in slot 0 Channels 0 10 through 0 31 are used to represent IP tributaries The configuration pages list local channels only so they begin with a simplified version just using the slot and channel numbers such as 0 1 and 0 2 The routing of voice channels is often done dynamically by decodin...

Page 39: ...ursor keys and selecting from a choice of available options for each parameter The current cursor position is highlighted in most terminal emulations There are also a number of keys which may be used as a shortcut or to access additional features The keys are summarised below with key names represented between chevrons e g SPACE for the spacebar CR for Carriage Return or Enter The unit is configur...

Page 40: ...I925 and will automatically detect the emulation in use When the V100 is powered up with no passwords entered it displays the following information This menu may be returned to at any time by entering CTRL E Teletype mode may be entered at this time by typing CTRL T twice the commands and responses used in teletype mode are detailed in a separate manual Once in Teletype mode the above menu may aga...

Page 41: ...or position CR Select a menu ESC Return to the previous screen 3 3 3 Parameter Selection Some parameters are selected by toggling around a sequence of choices some are entered as alphanumeric characters Context sensitive instructions are given at the bottom of the screen or Spacebar Select next item in list Select previous item in list Spacebar at alphanumeric field Clear field Characters Enter li...

Page 42: ...mory The changes may be abandoned by entering N instead If at any time the user wishes to clear all configuration settings and start again from factory defaults return to the terminal selection screen Section 3 3 1 by entering CTRL E then enter CTRL R three times to which the unit will prompt Set Factory Defaults and Reboot To proceed enter y Any other key will abort ...

Page 43: ...The password is case sensitive If the user forgets their configured password there is a backdoor mechanism to get them back into their units This backdoor is the superuser password it is unique for each V100 and consists of an encrypted key based on the serial number Once entered the user is given normal read write privileges to allow him her to set the RW password to something that they can remem...

Page 44: ...S TIMEOUT to less than 10 seconds Once a password has been entered it is effective until that session is completed with a CTRL E command or the session is inactive for the configured access timeout i e a CTRL E to escape to the top level menu will require the user to re enter the password if configured to continue In read only access mode the lines which divide the menu screens are composed of the...

Page 45: ... option card will only be shown if the card is fitted All of the menu pages display the status lines at the top of the screen for information At top left the Node Name of the currently logged unit appears Below the V100 Multiplexer Supervisor banner the connection status of the aggregate links is displayed In the example above chassis data port 0 1 is configured as an aggregate and has lost connec...

Page 46: ... The I D number specifies the chassis and must be unique within the network the V100 uses it to route packets to the correct destination This number must be entered explicitly into each unit before the network is configured and cannot be entered remotely All other fields except the Configuration By Remote field see below may be edited locally or remotely CONFIGURATION BY REMOTE Allows or prevents ...

Page 47: ...ed by the network when the connection is made In SWITCHED carrier modes see Data Configuration this is used by the V100 as an indication to proceed The signal produced by satellite modems can be unstable during the initial stages of carrier acquisition and so a programmable filter is provided to guarantee the Receiver Ready signal is steady before the V100 sends connection messages across the link...

Page 48: ...ck Busy and the Tie Line port has an algorithm selected The remote port responds to this ping if it is free The local port checks for Ping Response timeouts 45 seconds and asserts a BackBusy request If the port is in the idle state the BackBusy state is immediately translated into the E Lead signal So the state of BackBusy is translated to the E Lead signal unless the port is turned off in which c...

Page 49: ...ted in the normal way Once a password is entered the user is prompted to enter it when first logging on to the system before any access is granted to the menus Refer to section 3 3 5 for details ACCESS TIMEOUT As an additional security feature if either an RW or an RO password has been set the ACCESS TIMEOUT parameter allows the user to specify a period of keyboard inactivity after which menu acce...

Page 50: ...is period This prevents glitches or an unstable carrier switching the unit Note that the option to fallback immediately on a carrier return without qualifying the carrier for a period is specified by setting the timer to 0 It is also possible to prevent automatic fallback by setting the timer to Never Here the aggregate will stay on secondary forever it is possible to manually cause a fallback by ...

Page 51: ...s accepted Auto Connection is made when one end is mapped DATA CHANNEL ACTIVATION Flag Connection only is made when one end is mapped AND C lead affirmed at both ends Always On Channel output signal always asserted Follows Connect Channel output signal asserted when connection is established Follows Remote Channel output signal follows remote input signal transparently DATA CHANNEL FLAG Follows Al...

Page 52: ...ns backup fallback operation but requires full duplex carrier Use only if the backup feature is required Only displayed if TDM card is installed BACKUP TIMER 0 600 seconds Period of Primary clock or carrier loss after which backup occurs Auto Unit falls back to the primary route once carrier is restored after the Fallback Timer has expired Switched aggregates will not wait for carrier to be restor...

Page 53: ...ng reconfiguration option The selection of which configuration is being edited or used at any time is made in the CONFIGURATIONS menu There are also options for copying and deleting configurations CONFIGURATION The CONFIGURATION identifies the configuration number Seven configurations may be stored 1 6 BACKUP Any of the scripts may be designated the ACTIVE script or may be edited copied or reset t...

Page 54: ...N None No Configuration is currently being copied 1 6 The number the Copied Configuration will be saved under Backup The Copied Configuration will be saved as the Backup Configuration TO CONFIGURATION None No copy will take place 1 6 Set the Configuration specified back to the factory default settings Backup Set the Backup Configuration back to the factory default settings DEFAULT CONFIGURATION No...

Page 55: ... the reference clock is configured differently Please refer to the appropriate manual for more information SOURCE Configures the source for driving the GRX and GTX system clocks AGGREGATE When the SOURCE is configured to DATA AGGREGATE specifies which data interface clock is driving GRX or GTX When SOURCE is configured to IP AGG AGGREGATE specifies the name of IP Aggregate driving GRX or GTX For a...

Page 56: ... the data slot channel must be specified The motherboard data port is identified as 0 1 or 0 2 The quad data port is identified as 1 x or 2 x AGGREGATE Text When Source set to IP AGG enter the name of the IP Aggregate None ISDN TDM E1 GTX system clock is not driven by anything HSC Sets the specified option card ISDN TDM E1 Link as the source for the GTX clock Data Sets the HSC interface as the sou...

Page 57: ... F I G U R I N G V 1 0 0 V100 Versatile Multiplexer Technical Manual Version 2 2 Page 57 of 231 3 4 5 The VOICE menu The voice menu provides access to sub menus that provide configuration for the voice services in the V100 ...

Page 58: ...ock generated on the voice card must be phase locked to either the GRX or the GTX clock busses SIGTYPE Voice channel connections are made by dialling the remote destination This may be done using tone based signalling loop dialling or E M pulses according to the application The choice of signalling type allows the user to specify how the channel is operated and also which of the modem or fax relay...

Page 59: ...s the user to achieve the clearest line consistent with echo cancellation At the far end input gain should be adjusted down to the lowest level which cancels any echo then the near end output gain adjusted to compensate for the overall signal level DESTINATION When a voice channel destination is specified as AUTO calls made on this channel will be automatically routed to the dialled destination po...

Page 60: ... TX RX G 727 24K E ADPCM coded voice G 727 32 16K E ADPCM coded voice with asymmetric bit rate TX RX G 727 32 24K E ADPCM coded voice with asymmetric bit rate TX RX G 727 32K E ADPCM coded voice G 727 40 16K E ADPCM coded voice with asymmetric bit rate TX RX G 727 40 24K E ADPCM coded voice with asymmetric bit rate TX RX G 727 40 32K E ADPCM coded voice with asymmetric bit rate TX RX G 723 1 5 3K ...

Page 61: ...plications do not seem to be working the user may enable DTMF and tune the signal levels as necessary until the application detectors work correctly NOTE DTMF Relay must be enabled on at least the encoding side for the relay to work even if DTMF Relay is disabled on the decoder the DTMF digit is regenerated correctly DTMF OUTPUT LEVEL By using the DTMF Output Level setting it is possible to adjust...

Page 62: ... both DTMF tones and call progress tones i e the volume of generated DTMF tones is controlled via a combination of the DTMF output level and Signal output gain Field Options Description Disabled Default DTMF RELAY Enabled Enables DTMF Relay Mute Mutes the output DTMF OUTPUT LEVEL 31dBm 3dBm Sets the output level DTMF TWIST 4dB 0dB Sets the DTMF Twist DTMF TWIST 4dB 0dB Sets the DTMF Output Gain ...

Page 63: ... calls without having to use the V100 hardware port numbering scheme The DIRECTORY page of all voice ports in a network could look like this This facility firstly allows voice ports on units with node numbers greater than 9 to be dialled from a telephone or PABX when using the V100 AUTO destination mode Secondly it may be used to integrate ports connected over a V100 network into an existing diall...

Page 64: ...ther configuration locations no destination mappings should be configured that is they should be left blank The activation script is run when the first voice call goes off hook A single TTY command please refer to the TTY Manual for more information is entered on each line which assigns a destination to the voice data or IP channel The deactivation script is run when the last voice call goes on ho...

Page 65: ...eason the user should clearly understand the implications of all configuration options CHANNEL The two data channels resident in the chassis and any additional channels present on Quad Data Cards VI68705 are all presented on the same menu page The slot number and channel number distinguish the position of the channel within the chassis IFACE The electrical interface standard used by each port must...

Page 66: ... now an input to the V100 and should be connected to the TXD pin on the PC which is an output The changeover is performed under software control and no jumper links need to be changed internally FORMAT The format field is used to specify the kind of data to be transferred by the port If synchronous then transparent SYNC or NRZ framed data may be selected or if async then the specific word structur...

Page 67: ... GRX on the Clocking menu implying that the selected channel clock is driven on to the internal GRX bus The RX PLL reference for the tributary channel may then be derived from the GRX bus by selecting GRX FROM GRX on the Data Channels menu NOTE In earlier versions of software the reference clock is configured differently Please refer to the appropriate manual for more information In DBA modes the ...

Page 68: ...cified in the menu the destination field should be left blank The only exceptions to this are SWITCHED or SCADA modes which are specified by entering the keyword in the destination field Tributary ports however are the end points of all connections and so the port address of the final destination must be specified by all tributaries This is true of both point to point connections and broadcast con...

Page 69: ...arity two stop 7E1 Data is async 7bits even parity one stop 7E2 Data is async 7bits even parity two stop 7O1 Data is async 7bits odd parity one stop 7O2 Data is async 7bits odd parity two stop 7N1 Data is async 7bits no parity one stop 7N1 5 Data is async 7bits no parity 1 5 stop 5N1 Data is async 5bits no parity one stop FORMAT 5N1 5 Data is async 5bits no parity 1 5 stop R Raw data passed transp...

Page 70: ...nd only a rate and a reference field are displayed An additional single character FORMAT field is displayed to the right of the normal field which allows the user to select R aw E rror corrected or C ompressed mode for data transfer See section 4 10 It is permissible to operate aggregate channels in asynchronous mode as well as tributaries The reference field is not required for tributary operatio...

Page 71: ...rd menu The high quality Audio Card VI68704 provides a 48KHz 24 bit full stereo encoder and decoder for the transmission of analogue or AES digital audio over the V100 network The user may select any combination of MPEG I MPEG II G 722 or G 711 encoder and decoder together with a range of stereo or mono modes which are specific to type ...

Page 72: ...s will always be of the form X X 1 ACTIVATION The Activation Time parameter allows the user to operate the card dynamically with bandwidth only being used when there is a signal on the input for example speech operated When a transmission begins the connection to the remote decoder is made and the card uses bandwidth according to the Coder Bit Rate When it ends the Activation Time holds the connec...

Page 73: ... incoming AES EBU data stream by the encoder and may be used to drive the GRXCLK or GTXCLK bus for onward linking as defined by the AES Clock Ref field The decoder at the remote end then restores the AES EBU clock with the decoded data Finally in G 711 G 722 modes the number of samples in each frame may be adjusted according to the Frame Length samples field CODER TYPE The Coder Type field selects...

Page 74: ...depends upon the MPEG psycho acoustic model The PCM input processing technique is set automatically irrespective of the encoder used This allows the input PCM data to be averaged in mono mode to be used by both channels The parameters and options are shown in the following table Field Options Description SLOT 1 2 Selects which card to configure DESTINATION NODE SLOT CHANNEL Remote card address Cha...

Page 75: ... The destination is typically a target node number but can also be a target slot or channel number if traffic to different channels within slot or slots within a node are to traverse the V100 network along different paths The following example shows a V100 routing setup with a leased satellite service Inmarsat satellite service IP aggregate and E1 link interconnecting four V100 units The units are...

Page 76: ...U R I N G V 1 0 0 V100 Versatile Multiplexer Technical Manual Version 2 2 Page 76 of 231 Node0 uses the E1 link to reach all other nodes The routing table on Node0 is 1 2 0 1 0 1 INMARSAT ISDN ISDN Leased Satellite Link IP 3 0 E1 ...

Page 77: ...ed satellite service on port 0 1 The voice traffic destined to slot 1 on other nodes is routed via the ISDN port the ISDN number to dial to reach Node2 is specified in the Connect Using field Node2 uses the IP aggregate to Node3 to communicate with Node0 and Node3 Voice traffic to Node1 is routed over the ISDN service Other traffic to Node1 is routed via port 0 1 ...

Page 78: ...ork and individual routing information must be entered into each chassis when the network is commissioned Once all the data has been entered the entire network may be managed from any node the remote supervisor function depends on the routing tables as well Three options are presented on the ROUTING page each of which may be accessed using the conventional cursor keys and selected using the space ...

Page 79: ...e target NODE Dev Chan Identify the aggregate to use to route traffic to the target NODE SLOT CHAN E1 Use the E1 link card No aggregate configured ISDN Route via the ISDN card in Option slot The number to dial across the ISDN network is specified in the CONNECT USING field If two separate routes use the same dialled number then the terms ISDN1 and ISDN2 can be used here to differentiate the separa...

Page 80: ...haring the bandwidth between separate aggregates TOPUP TOPUP works on ISDN and DATA aggregates TOPUP will use the secondary link when the assigned tributary connection rates on the first exceed the primary link bandwidth BONDING BONDING works on ISDN and DATA aggregates BONDING provides a permanent bonded link between the primary and secondary aggregate IP aggregates must have their secondary rout...

Page 81: ...ype and enters the IP address of the DNS server in the network In the example below the IP router has been programmed to act as a remote DHCP server capable of dynamically distributing IP addresses to clients This mode would typically be used at the remote site where the office LAN needs to be presented such that PCs and laptops can be plugged in as normal If more than one connection is required t...

Page 82: ...PLEX DNS SERVER Numeric IP address entry as nnn nnn nnn nnn IP address of the DNS Server in the host network OFF The Integrated IP Router acts as a DHCP client SERVER The Integrated IP Router acts as a DHCP server DHCP SERVER MODE RELAY The Integrated IP Router relays DHCP address negotiations transparently between the client and the host server SERVER MODE SERVER LEASE Numeric entry 0 99999 secs ...

Page 83: ...ork DOMAIN NAME Alphanumeric entry Domain name of local network SERVER MODE RELAY PRIMARY ADDRESS Numeric IP address entry as nnn nnn nnn nnn Primary IP address of the DNS Server in the host network SECONDARY ADDRESS Numeric IP address entry as nnn nnn nnn nnn Secondary IP address of the DNS Server in the host network optional BRIDGE PRIORITY 0 65535 Sets the Spanning Tree bridge priority HELLO TI...

Page 84: ...es are also reserved for broadcast use The Maximum Transmission Unit MTU in bytes is typically left at the default value of 1514 for the Ethernet port The UDP Gateway UDPGw option is discussed later in the UDP relay section The Bridge field allows bridging or bridging and Spanning Tree Protocol to be enabled on a per port basis If the IP field is configured as OFF and bridging is ON or STP then al...

Page 85: ...red for tributary interfaces numbered for the Ethernet interface or Off ADDRESS Numeric IP address entry as nnn nnn nnn nnn IP port address MASK Numeric IP address entry as nnn nnn nnn nnn or bitcount IP address mask May be entered e g as 24 MTU Numeric 128 to 1516 Maximum Transmission Unit Set to give max 20mS packets OFF User Datagram packet support UPDGw ON TCPGw ON OFF Enable disable the TCP P...

Page 86: ...e or port 3 4 9 4 The ACCESS TABLE menu The supervisor configuration screens can now be accessed via the telnet protocol To provide additional security to ensure that telnet access is only granted to the appropriate parties an access table has been provided The access table must be configured to specify which station or group of stations are allowed access to IP host facilities on the V100 Each ac...

Page 87: ...o the subnet broadcast address For example Windows browsing service relies on Netbios datagram service packets addressed to UDP port 138 and the IP subnet broadcast address reaching all stations within the browsing domain The UDPGw configuration must be turned to On for each port that we wish the relay operation to work on and an entry in the UDP relay table must be added for each service that mus...

Page 88: ...them It is intended for use in networks where IP tributaries are routed across a common broadcast aggregate or where several IP tributaries have been configured between two V100s and are used separately for service management To use the DBA pooling the IP tributaries must be assigned to DBA pools There are 8 DBA pools A H defined in the system By default no tributaries are assigned to the pools A ...

Page 89: ...etween them using as much as is needed If any spare bandwidth is available after this then the remainder is shared with a weighting between high medium and low priority tributaries Any spare bandwidth after this is assigned to lowest priority tributaries Tributaries must only be configured in the same pool if they share a common aggregate path otherwise bandwidth management will be compromised An ...

Page 90: ... instant then 0 11 is given access to 96kbps at the same instant Another example 0 10 0 11 0 12 are three IP tributaries between node 0 and node 1 0 10 has been set up to provide bandwith for TCP application X 0 11 has been setup to provide bandwidth for TCP application Y 0 12 has been setup to provide bandwidth for TCP application Z Application X is considered much more important than application...

Page 91: ...91 of 231 By pooling 0 10 0 11 and 0 12 together with 0 10 assigned at highest priority 0 11 assigned at medium and 0 12 assigned at lowest priority applications Y Z can access the 64kbps bandwidth assigned to application X when it is not in use Application Y gets access to the bandwidth before application Z ...

Page 92: ...dge services New entries are given a description which is used to identify the device specified by the MAC address in the table The Address is the device s MAC address In the example above only the two devices with the MAC addresses 08 00 31 02 22 ad and 08 ab 11 00 a2 f4 will be able to receive traffic however unauthorised units will still be able to receive traffic broadcast by the V100 Also alt...

Page 93: ...itions menu 3 Applying address range matches against source and or destination addresses in combination with matching IP TOS fields and protocol definitions to determine a filter disposition This disposition is to either forward a packet down a specific tributary or discard the packet If no match is found in the configured filter table for a packet then standard destination address IP routing is p...

Page 94: ...example above the address 192 168 0 1 falls within the range defined by the entry INTERNET However since the operator is NOT MATCH the entry only filters those addresses that do not fall within the address range specified Since the address 192 168 0 1 does not fall within the range defined by the entry LOCATION1 either Service Management filters are not applied to it However the address 192 168 1 ...

Page 95: ...ield in the received packet Three special values of TCP UDP ICMP are available for common protocols If a value other than TCP or UDP is entered nothing else needs to be configured for the entry If TCP or UDP or the corresponding IP protocol number is entered a range of source and destination ports must be specified for the protocol definition The range consists of a minimum and maximum inclusive d...

Page 96: ...ty of an entry edit the PRIO field with a new number All the entries are re numbered to reflect changes to the priorities Filters are applied in the order of priority in the table Once a filter is matched no other filters in the table are attempted The SERVICE MANAGEMENT FILTER TABLE provides a single page of up to 15 entries ADDRESSES The SOURCEADDR and DESTADDR fields can be configured with the ...

Page 97: ...alue ANY indicates any IP UDP or TCP protocol port combination RESULT The RESULT field is used to define the operation should all the other elements of the filter match The entry may forward the traffic to a local port with an IP tributary slot port or it may DISCARD the traffic NOTE If an address or protocol definition that is in use in the SERVICE MANAGEMENT FILTER TABLE is deleted then any entr...

Page 98: ...where a fixed bandwidth is always available between the IP aggregate peers with minimum variation in latency When an IP quality of service scheme is in place in the IP network the IP QoS edge router can identify the V100 IP aggregate frames either by address port recognition or by configuring the IP aggregate to generate packets with a certain ToS type of service setting The IP aggregate multiplex...

Page 99: ...tes Peer IP Address Numeric IP address entry as nnn nnn nnn nnn IP address of the IP Aggregate Peer UDP Port 0 65535 The UDP Port number of the IP Aggregate Peer This must be configured to the same value at each end of the IP aggregate TOS 0 FF hex value Hex value relating to network provider s TOS DSCP scheme The IP TOS value is used in packets sent on each aggregate allows the IP aggregate netwo...

Page 100: ...ured this Rate also determines the value set for the IP CIR If a value is entered for Rate and then the user enters a value for IP CIR discarding the automatically generated value the Rate will be re calculated based on the IP CIR IP CIR Automatically configured based on the Rate or 0 4096000 The committed information rate required from the IP network to support this IP aggregate This does include...

Page 101: ...ayed only when an E1 link card is detected in the option 0 slot 3 4 10 1 Restrictions Due to hardware resources required for the E1 link card to operate the following V100 functions are not available when the E1 link card is fitted to a unit High Speed Channel HSC Internal PLL operation on port 0 2 When the E1 LINK option is selected the following screen is displayed ...

Page 102: ...MASTER The V100 provides a G 703 compliant clock to the link LINE CLOCKING SLAVE The V100 recovers the clock from the link LINE TERMINATION 75 Ohm 120 Ohm Termination resistance applied to the line NONE No loop back is present LOOP Local loop The card s Tx is looped to the Rx LOOPBACK MODE ECHO Remote loop Data Received by the link card is transmitted back to the remote end Options present only wh...

Page 103: ...ach entry can be turned on or off by a toggle item The entries can be navigated using the arrow keys and the entry toggled using the space bar The current available bandwidth in Kbps is displayed beneath the entry table at the right hand side of the screen When the aggregate is established the available bandwidth is also displayed on the status bar Two buttons are provided to ease configuration on...

Page 104: ...itisation rates 2400bps 4800bps or 9600bps The V100 SVR card requires 5200bps 7600bps and 12400bps to perform the relay function at each rate respectively and so when in relay mode a slightly higher bandwidth is use by the channel It is advisable to take this into consideration when planning bandwidth budgets In operation it is normal to establish a non secure call from the connected Secure Teleph...

Page 105: ...mpatible with any Euro ISDN NET3 network as standard other national standards are supported by request from the factory on the standard 8 way RJ45 connector It gives the V100 the ability to dial up a single 64K bearer for communication with another V100 unit which may be used as the sole aggregate a supplementary aggregate or as a backup service for an aggregate port The card is also available wit...

Page 106: ...porary basis simply by overbooking bandwidth on the primary route with the ISDN interface specified as the secondary route Then when a connection cannot be made over the primary route through congestion the ISDN interface will automatically be used The ISDN call will be maintained until all re routed connections are closed even if the primary route becomes free Next time the primary route will be ...

Page 107: ...st call may fail following line connection but calls will always succeed thereafter This is true for both S0 and U0 interfaces ISDN PROTOCOL When the Line Type is changed the menu is refreshed to display the correct TEI mode Access to the TEI field itself is only permitted in Point to Point PP mode The ISDN protocols are programmed into the ISDN Link Interface Card in the factory and fall into two...

Page 108: ...nds the relevant codes if known to the 10 digit local telephone number Alternatively if his ISDN service supports it the V100 offers an Automatic SPID mode in which only one SPID is supported The SPID 1 and LDN 1 fields cannot be entered and if a SPID response is received from the network in response to the first call the fields are automatically updated on the menu A third option Auto SPID guessi...

Page 109: ... different for both the Switch Types and the Local Telecom Provider used and knowledge of this is required before entry A SPID code is asserted around the LDN with examples shown above All North American SPID codes tend to use this but the SPID entry requires local knowledge of the network type as well as the switch ie two different networks using AT T switches will have different SPID codes Examp...

Page 110: ... supported The SPID 1 and LDN 1 fields cannot be entered The ISDN Terminal Adaptor is programmed with blank SPID and LDN fields The Auto SPID status is updated to give an indication of the Network Auto Switch response once a call is made and the SPID LDN fields are updated if a SPID response is received from the network The SPID LDN values are not saved in the configuration ...

Page 111: ...y when the secondary routing mode is set to BoD The Bandwidth on Demand BoD feature continually monitors the level of traffic that is routed through the ISDN interface and raises and clears the second bearer as required and configured The traffic levels are calculated with a damping factor to avoid unnecessary dial and clear events in bursty traffic situations The lower the damping factor the fast...

Page 112: ...D1 LDN1 are displayed automatically when allocated by the network SPID ALLOCATION Auto SPID Guessing AUTO SPID STATUS Visible only in Automatic allocation modes Displays the current status of SPID negotiation with the network The SPID number is displayed when successful SPID1 Special field Manual Numeric Entry Automatic Information only Auto Guessing 01010101010101 LDN1 Special field Manual Numeri...

Page 113: ...d one D channel into a synchronous bitstream which is transmitted over dedicated bandwidth between the two V100 units and then reconverting the synchronous bitstream back into an ISDN BRI Each B channel requires 64Kbps of bandwidth and in the V100 implementation just 9 6Kbps of bandwidth is required for the D channel protocol The minimum advisable link bandwidth is therefore obtained from the foll...

Page 114: ...ctions since the extension technology converts data at the physical level S bus interface and may therefore be used world wide The ISDN service may be provided either as a permanent connection or set up on demand in response to dialling requests from the network at the TE end or a terminal device at the NT end in which case the bandwidth is reassigned by the V100 between calls NOTE To ensure the o...

Page 115: ...ork the ideal configuration would drive one of the Global Clock busses with the clock from the TE card by selecting BRI EXT as the GRX SOURCE in the CLOCKING menu for example This would then form the clock reference for all tributary channels in the TE mux which could then onward link the clock over the satellite link The recovered satellite clock is then driven on to the GRX bus of the V100 at th...

Page 116: ...ermanent keys are purchased to permanently enable the features Temporary keys are available to trial test a feature They are active for up to 24 hours or until the V100 is restarted Please contact Vocality International to obtain the appropriate keys for your units Select the feature you want to enable and then enter the key provided by Vocality in the appropriate field Press Enter to accept the k...

Page 117: ...ntegrated IP router or to view connection configuration or alarm messages in a rolling display with a combination of all three also available or to view a HELP screen as the sixth option These may be captured using for example WindowsTM Hyperterminal for inspection at a later time Refer to Section 4 3 for a detailed description of the diagnostics tools available 3 4 16 The REMOTE menu This Main Me...

Page 118: ... unit return to the local unit the only location at which the REMOTE menu option is provided and enter a different node I D If the chosen unit cannot be reached due to perhaps a faulty or unconfigured aggregate route the following message is displayed Failed to connect to node N Press any key After pressing a key the main menu selection page is again displayed The user can then inspect the local m...

Page 119: ...s of bandwidth which must be available throughout the route to that node If the route already supports a DBA Dynamic Bandwidth Allocation connection the DBA rate will drop by 2400bps If not the connection to the remote supervisor will itself act as a DBA connection and use as much spare bandwidth as is available This process is automatic and ensures that the responses of the remote unit are as rap...

Page 120: ...ved RED for an errored packet sent or received The test LED has two states Solid RED when the unit has no valid configuration Solid GREEN when an ISDN link call is made RevC only or as a power on indicator RevD only The option1 and option2 LEDs indicate data activity on the option card The option0 LED for RevD only indicates carrier on the special option card which could be either the TDM Interfac...

Page 121: ...ntacts These may be used to drive an external visual or audible alarm or to integrate with a network management system 4 3 Diagnostics 4 3 1 IP There are a number of troubleshooting tools in an IP sub menu beneath the DIAGNOSTICS menu These tools allow the user to run the ping protocol ICMP echo from the V100 view the current internal IP route table view the statistics from the IP router view the ...

Page 122: ...running Ping tests and analysing the results Refer to the following example configuration for IP routing across a pair of V100s V100 Node 2 V100 Node1 1 1 2 1 24 1 1 1 1 24 Station B Station A 1 1 1 5 24 1 1 2 2 24 Troubleshooting example network If Station A is not successfully communicating with Station B the following steps should be taken to troubleshoot the network configuration Local Ping Te...

Page 123: ...om Node 2 Inter V100 Ping Test Ping Node 2 from Node 1 or vice versa Remote Ping Tests Ping Node 2 from Station A Ping Node 1 from Station B Full Ping Tests Ping Station A from Station B or vice versa Selecting the PING test from the menu displays the following screen The table below shows the configurable parameters and the ranges that may be set ...

Page 124: ...1 have a subnet configured to Node 2 with a peer matching Node 2 s channel ID Does Node 2 have a subnet configured to Node 1 with a peer matching Node 1 s channel ID Are the DBAs configured at something other than 0 Are the IP addresses for the unnumbered links set the same for the local ENET port Correct configuration Inter V100 Ping test Fails IP Route Configuration on V100 Is the NoRoutes count...

Page 125: ...ARP TABLE screens are for information only The two tables record the static routes in use while the IP STATISTICS and ETHERNET pages give detailed packet statistics and Address Routing Protocol conversions and are updated every ten seconds These may be used to help track down any routing congestion or filtering problems but require specialist knowledge contact Vocality for details ...

Page 126: ...ARP TABLE screens are for information only The two tables record the static routes in use while the IP STATISTICS and ETHERNET pages give detailed packet statistics and Address Routing Protocol conversions and are updated every ten seconds These may be used to help track down any routing congestion or filtering problems but require specialist knowledge contact Vocality for details ...

Page 127: ... TABLE screens are for information only The two tables record the static routes in use while the IP STATISTICS and ETHERNET pages give detailed packet statistics and Address Routing Protocol conversions and are updated every ten seconds These may be used to help track down any routing congestion or filtering problems but require specialist knowledge contact Vocality for details ...

Page 128: ... of 231 4 3 1 5 The ARP TABLE menu This menu provides details of the current internal state of the IP address resolution protocol table of the embedded IP router You may be asked to provide details of the contents of this table during troubleshooting sessions with qualified V100 service personnel ...

Page 129: ...This menu provides details of the current internal state of the bridge forwarding database in the embedded transparent bridge It indicates which MAC stations have been learned on which bridge ports You may be asked to provide details of the contents of this table during troubleshooting sessions with qualified V100 service personnel ...

Page 130: ... been forwarded to a learnt destination filtered the destination is local and flooded multicast packet or unknown destination through the configured bridge ports It also provides details of the current spanning tree protocol state of each port if the spanning tree protocol is configured You may be asked to provide details of the contents of this table during troubleshooting sessions with qualified...

Page 131: ...es details of the current state of the E1 link card It includes the current alarm status of the interface and provides counters for key interface statistics You may be asked to provide details of the contents of this table during troubleshooting sessions with qualified V100 service personnel This page automatically refreshes periodically if no keys are hit ...

Page 132: ...rst sequence number generated The second is a sequence number for all messages sent to the Syslog Daemon These sequence numbers provide the user with an indication as to whether a log message has been missed The message format is Nodename Timestamp Specific Seq No Overall Seq No Trace message The Syslog protocol provides a mechanism for each message to be sent with a category and a priority to all...

Page 133: ...sages are disabled for this trace message type 4 3 4 The CALL STATS menu The CALL STATS menu has two sub menus the TRIB CALL STATS menu for voice ports and the AGG CALL STATS menu for switched aggregates These menus are described in the following sections NOTE If a voice card is installed but no switched aggregates are configured the TRIB CALL STATS menu is shown in place of the CALL STATS menu NO...

Page 134: ...om section reports the call statistics for the last 7 days split into 24 hour periods NOTE Call statistics are not maintained through a restart of the V100 A CallIn represents an external device taking the port off hook A CallOut represent the V100 taking the device off hook This page automatically refreshes periodically if no keys are hit 4 3 4 2 The AGG CALL STATS menu This menu provides call st...

Page 135: ...t into 24 hour periods NOTE Call statistics are not maintained through a restart of the V100 This page automatically refreshes periodically if no keys are hit 4 3 5 The SYSTEM INFO menu This page provides a summary of the hardware software and firmware component versions in the V100 You may be asked to provide details of the contents of this table during troubleshooting sessions with qualified V10...

Page 136: ...ently occurring over each aggregate in the V100 The status is provided for each aggregate port in the system each port s status is on a separate page Use the UP and DOWN buttons to cycle through each port Each line in the status reports the current state of a tributary connection that is multiplexed over the aggregate This page automatically refreshes periodically if no keys are hit ...

Page 137: ...al V100 state machines and protocols and are not intended for customer interpretation Commands to pause the log storage resume the log storage move through the log buffer and list the entire contents of a log buffer are documented in the LOG HELP page You may be asked to provide details of the contents of these pages during troubleshooting sessions with qualified V100 service personnel These pages...

Page 138: ...r to internal V100 state machines and protocols and are not intended for customer interpretation Commands to pause the log storage resume the log storage move through the log buffer and list the entire contents of a log buffer are documented in the LOG HELP page You may be asked to provide details of the contents of these pages during troubleshooting sessions with qualified V100 service personnel ...

Page 139: ... E R 4 F E A T U R E S V100 Versatile Multiplexer Technical Manual Version 2 2 Page 139 of 231 4 3 9 The ALARM LOG menu This log shows messages relating to external events that may be considered alarm conditions ...

Page 140: ... 4 F E A T U R E S V100 Versatile Multiplexer Technical Manual Version 2 2 Page 140 of 231 4 3 10 The CALL RECORD LOG menu This log shows messages relating to voice and switched aggregate ports going on and off hook ...

Page 141: ...N option card These messages refer to internal V100 state machines and protocols and are not intended for customer interpretation Commands to pause the log storage resume the log storage move through the log buffer and list the entire contents of a log buffer are documented in the LOG HELP page You may be asked to provide details of the contents of these pages during troubleshooting sessions with ...

Page 142: ...Technical Manual Version 2 2 Page 142 of 231 4 3 12 The BoD LOG menu This log shows message relating to the operation of the bandwidth on demand protocol These refer to internal V100 state machines and protocols and are not intended for customer interpretation ...

Page 143: ...nal V100 state machines and protocols and are not intended for customer interpretation Commands to pause the log storage resume the log storage move through the log buffer and list the entire contents of a log buffer are documented in the LOG HELP page You may be asked to provide details of the contents of these pages during troubleshooting sessions with qualified V100 service personnel These page...

Page 144: ...tate machines and protocols and are not intended for customer interpretation Commands to pause the log storage resume the log storage move through the log buffer and list the entire contents of a log buffer are documented in the LOG HELP page You may be asked to provide details of the contents of these pages during troubleshooting sessions with qualified V100 service personnel These pages update a...

Page 145: ...gress Tones With the ability to dynamically route telephone calls through the network the V100 can act as a small PABX It is therefore the case that in order to provide the subscriber with meaningful information while a call is connected the V100 must provide audible call progress tones Many applications for the V100 involve a satellite delay between subscribers and so no tones are generated for 6...

Page 146: ...uccessful new connection which is routed through the same aggregate as the DBA sync channel the V100 calculates the highest permissible clock rate that is consistent with a total capacity of 87 5 on the chosen route and smoothly varies the output clock to the connected device This allows a LAN Router with a relatively low loading factor to operate without penalty while the V100 simultaneously supp...

Page 147: ... the connection ready for use while returning most of the bandwidth to the DBA pool When the next data character is received by the port the internal connection rate resumes its normal DBA level In this way the V100 maximises bandwidth use automatically without the user having to intervene or precalculate any bit rates At all times the V100 optimises buffering and delay so as to maintain voice qua...

Page 148: ...n of data flow from tributary to aggregate This assumes that aggregate ports are normally DTE presentation and tributaries are normally DCE so for an aggregate RX data is input and TX data is output whereas for a tributary RX data is output and TX data is input The RXC signal is selected from five possible modes i EXT The external interface ii TXC The channel TX clock iii PLL From the port s RX Ph...

Page 149: ...ata ports voice channels and the 4Mbps High speed Serial Channel Using this technique it is possible to onward link a clock from any port to any other in a V100 network even if it is located in another chassis or even in a remote location via a satellite link It is essential that only one clock is configured to drive the GRX clock bus GRX and one clock is configured to drive the GTX clock bus GTX ...

Page 150: ...t Mode The V100 may be used in point to multipoint networks where a number of remotes may wish to receive the same data via a shared outbound aggregate i e IP or Voice To enale broadcast mode a special route must be entered on the routing page using node I D 255 applied to the intended aggregate port at all the nodes For IP data the units are then configured normally For Broadcast Voice special lo...

Page 151: ... to 127 To receive this channel at a remote site the corresponding code BRXnnn is entered So at the hub the voice configuration page might appear as follows Physical ports 1 3and 4 are assigned to carry the three logical broadcast channels red blue and green respectively At the first remote unit the corresponding voice configuration page would appear as follows which picks out the second blue logi...

Page 152: ...he green feed then by specifying the destination codes as BTRttt rrr at both ends where ttt specifies a logical TX code and rrr specifies a logical RX code we can make the return feeds available in a return broadcast from each unit To pick out the right channels at each end ttt at one end must match rrr at the other and vice versa An example of the relevant configuration pages corresponding to thi...

Page 153: ...C H A P T E R 4 F E A T U R E S V100 Versatile Multiplexer Technical Manual Version 2 2 Page 153 of 231 The Routing page for the Hub Node0 The Voice Configuration for the Hub Node0 ...

Page 154: ...C H A P T E R 4 F E A T U R E S V100 Versatile Multiplexer Technical Manual Version 2 2 Page 154 of 231 The Voice Configuration for Node1 Red The Voice Configuration for Node2 Blue ...

Page 155: ...oadcast feeds must be given a unique number it is not sufficient to start numbering the TX channels from 1 at each node In this example feeds 1 2 and 3 are provided at the hub and feeds 4 5 and 6 at red blue and green respectively 4 9 Expansion The High Speed Channel HSC The 9 way D type connector on the rear panel of the V100 may be used to link a second chassis to expand the number of available ...

Page 156: ...ist of one driving source and one receiver In the example below the master unit has an aggregate link to a remote unit and is linked via the HSC to the slave Data for a tributary port on the slave is received by the master routed to the slave and output from the relevant tributary channel 4 9 2 HSC Clocks The example above shows the simplest clock application where the aggregate RX clock drives th...

Page 157: ...iven separately for this purpose 4 10 Async Error correction and Compression This feature allows individual async channels to operate error free over a satellite link It does not affect or relate in any way to bulk error correction that may be taking place within the satellite modem or aggregate link Asynchronous channels have now been enhanced with the addition of a new configuration item on the ...

Page 158: ...is asserted at the port This means that at worst case the error correction can survive up to 9 seconds without receiving a good frame The principle used for error correction uses a NACK only protocol This means that a negative acknowledgement packet is sent back whenever a good frame is received out of sequence since at least one frame in the middle must be missing This NACK asks for the retransmi...

Page 159: ...re configuration The operation of the error correction facility imposes a processing burden upon the host Testing has indicated that a safe performance limit of up to four channels per chassis running at 57600bps should be observed to prevent any adverse effects on the normal functioning of the unit Performance degradation may be indicated by a slowing of the supervisor update speed 4 11 TDM Data ...

Page 160: ...y be clocked at any frequency up to 512Kbps This divides the bandwidth into 32 timeslots with up to a total of 28 assignable to TDM mode while the remainder is used for standard V100 packetised connections A proprietary software protocol runs behind this which time division multiplexes data from any of the V100 tributary data ports on a byte interleaved basis thereby providing optional TDM functio...

Page 161: ...s from 50 to 1600bps may be configured at 25bps intervals and in 100bps intervals from 1600bps up to the practical maximum of 448Kbps By default the granularity of the TDM submultiplex is 100bps the 25bps granularity is used only when a rate is configured with this as the highest common factor The presence of the TDM card does not preclude tributary operation at low speeds such as 50 300 600 1200 ...

Page 162: ... V V V V V V V V V V V S O O O P P P P P P P 1 V V V V V V V V V V V V V V V V V V V V S O O O 2 2 2 2 2 2 2 2 V V V V V V V V V V V V V V V V V V V V S O O O 2 2 2 2 2 2 2 2 V V V V V V V V V V V V V V V V V V V V S O O O 2 2 2 2 2 2 2 2 V V V V V V V V V V V V V V V V V V V V S O O O 2 2 2 2 2 2 2 2 V V V V V V V V V V V V V V V V V V V V S O O O 2 2 2 2 2 2 2 2 V V V V V V V V V V V V V V V V V...

Page 163: ...C H A P T E R 4 F E A T U R E S V100 Versatile Multiplexer Technical Manual Version 2 2 Page 163 of 231 The TDM card should be configured to drive the GRX bus The CLOCKING menu is used to configure this ...

Page 164: ...ich should be set according to the electrical interface standard to be used the other of which defines the Transmit Clock source On the TDM card the Receive Clock is always input from the network but the TDM TXC field allows some flexibility in clocking regime for the TX Clock On the ROUTING menu the TDM card must be specified as the primary route to the corresponding V100 which also has the TDM c...

Page 165: ... traffic while on a second link a normal V100 aggregate port carries voice BRI or MPEG packets 4 12 Switched carrier Operation Aggregate ports are usually connected via a fixed carrier network for example a VSAT link However the V100 also permits operation over switched carrier links where the circuit is available on a temporary basis such as DAMA or SCADA networks or to interface with external IS...

Page 166: ...the V100s establish carrier a call setup packet is sent to the hub unit and the user hears dialtone from the PABX The call proceeds in the normal way until cleared either by the mobile V100 which drops the RTS signal to the terminal when the handset is replaced or by the hub V100 which clears the ISDN call when the line is dropped by the PABX In both cases the RR signal is dropped by the terminal ...

Page 167: ...nal scheme is used where the RX Clock is driven on to the GRX bus With DAMA modems since the carrier is not permanently present the mux must provide a TX clock to the modem at the intended rate This must also be used as the reference for the voice card which generates call progress tones during the connection sequence A standard configuration is shown below 4 12 2 SCADA Mode The aggregate port sho...

Page 168: ...that on the ROUTING page a route to each potential destination RT is entered explicitly so that the unit knows which address to transmit when establishing a call This is done in the Connect Using field on the ROUTING page and must be of the format RTnnn where nnn is a numeric field It may contain up to 14 digits and will be transmitted to the local RT when the call is established ...

Page 169: ...s or modems may also be used To prevent any unintended call or bandwidth charges Voice Activation may be utilised 4 12 2 1 Spanning Tree Protocol The spanning tree protocol is an implementation of IEEE802 1d The protocol may be enabled on individual bridge ports by changing the Bridge mode in the networks menu see section 3 4 9 2 The spanning tree protocol is used to detect and prevent loops in br...

Page 170: ...upport WindowsTM applications 4 13 3 Network Configuration The V100 includes routing software for forwarding IP data between the 10 100base T Ethernet port and aggregate ports To utilize this facility the V100 must be configured with information about the IP sub networks that the V100 network is interconnecting All configurations must include at least IP address and subnet mask for the Ethernet po...

Page 171: ...tual ports see below is used to represent the wide area networks of the IP router 4 13 4 Virtual Ports IP connectivity is provided across the V100 network as a set of point to point connections between V100s with integrated IP capability The IP router forwards traffic between the Ethernet ports of pairs of V100s via the V100 network A point to point connection between the IP router on a V100 and t...

Page 172: ...el number within the voice card A set of special virtual ports has been reserved to represent the IP router WAN ports These follow the standard V100 port terminology of n s c As there is no plug in hardware module for the integrated IP router the slot number component s of the channel identifier is always 0 Channels 10 to 31 have been allocated for IP router operation A separate channel is require...

Page 173: ...s the point to point link between the V100s does not require an IP subnet configuration When IP traffic is routed over the point to point connection it can only be received by the peer unit and therefore IP addressing is not necessary If host IP services are run from the V100 across the V100 network then the IP address on the Ethernet port can be used as the source address for host communications ...

Page 174: ...ingly common for internet users to be connected via links with reduced MTUs so it is becoming common for some packets to be too big How the problem of oversize packets has been handled has evolved considerably over time The original approach was to send only small packets corresponding to the TCP IP default MTU 576 bytes To this day a sending system needs permission from the receiving system to se...

Page 175: ...ntation over the V100 WAN network which uses only a 4 byte header to optimise throughput while appearing to pass the original packets sent by the network transparently Setting the V100 MTU requires some care in configuration to avoid degradation of the quality of voice channels or other services that are multiplexed across the same aggregates as the IP traffic It is recommended that a value for th...

Page 176: ... route one to use if all other route lookups fail can be configured by using a destination and mask value of 0 0 0 0 The following example shows a route table that will send all traffic to network 192 168 0 1 255 255 255 0 via the unnumbered link 0 10 and all other traffic to the next hop gateway 192 168 3 100 Example of IP Static Route Configuration ...

Page 177: ...Node1 and Node2 and Node1 and Node 3 Virtual ports 0 10 and 0 11 on Node 1 have been configured to communicate with Nodes 2 3 respectively A default network is not defined at Node1 so traffic from Node 2 and Node 3 networks will only communicate with stations on the 1 1 1 0 1 1 2 0 and 1 1 3 0 networks and nothing beyond The dynamic bandwidth allocation and MTU for all V100 channels is set at 2560...

Page 178: ...C H A P T E R 4 F E A T U R E S V100 Versatile Multiplexer Technical Manual Version 2 2 Page 178 of 231 Screen 1 IP Network Configuration for Node 1 Screen 2 IP Route Configuration for Node 1 ...

Page 179: ...C H A P T E R 4 F E A T U R E S V100 Versatile Multiplexer Technical Manual Version 2 2 Page 179 of 231 Screen 3 IP Network Configuration for Node 2 Screen 4 IP Route Configuration for Node 2 ...

Page 180: ...C H A P T E R 4 F E A T U R E S V100 Versatile Multiplexer Technical Manual Version 2 2 Page 180 of 231 Screen 5 IP Network Configuration for Node 3 Screen 6 IP Route Configuration for Node 3 ...

Page 181: ...at we wish the relay operation to work on Additionally an entry in the UDP relay table must be added for each service that must be relayed Some well known service types are pre configured for addition to this table other services require the appropriate UDP port number to be configured The example configurations shown in below show the configuration required to relay NetBIOS datagrams UDP port 138...

Page 182: ...any one time Note that the optimization feature only applies to TCP traffic that is routed through the V100 If the TCP traffic is bridged or the TCP traffic is encrypted within an IPSec tunnel then the optimization is not performed 4 13 11 DHCP Server Relay The V100 has three modes of operation for DHCP Dynamic Host Configuration Protocol The mode and other DHCP parameters are configurable on the ...

Page 183: ...P Client V100 Network Embedded DHCP Server Example network configuration for DHCP SERVER mode The embedded DHCP server can provide the following host configuration parameters in response to received DHCP requests IP Address Lease Time WINS Server Domain DNS Server Address The IP address is assigned from the inclusive range configured in the GENERAL parameters the address range should be from the r...

Page 184: ... server and its domain name should be entered Note that these fields are used by the V100 in its name lookup for ping requests An example of the GENERAL page configured for DHCP server operation is shown below Example GENERAL page for DHCP mode In RELAY mode DHCP requests are relayed to a remote DHCP server through the V100 requests are relayed to the addresses configured in the primary and second...

Page 185: ...vided The Access Table must be configured to specify which station or group of stations are allowed access to IP host facilities on the V100 Each access table entry comprises a description simple text not used in the access decision an IP address an IP mask and a service definition When an attempt is made to access the host service e g a telnet connection is requested the access table is checked t...

Page 186: ...C H A P T E R 4 F E A T U R E S V100 Versatile Multiplexer Technical Manual Version 2 2 Page 186 of 231 Example configuration of the Access Table ...

Page 187: ...aggregate A full set of Application Notes are available on the Vocality International support website www vocality com support 5 1 Back to back testing Before commissioning the V100 it can be very useful to configure a pair of multiplexers in a back to back configuration to gain familiarity with their setup and operation In the example below two units are connected on Port1 using cable VI68726A se...

Page 188: ...S V100 Versatile Multiplexer Technical Manual Version 2 2 Page 188 of 231 The settings for Node I D are critical they must be set to different values for the units to communicate correctly The Clocking Configuration settings for the units are as follows ...

Page 189: ...C H A P T E R 5 A P P L I C A T I O N E X A M P L E S V100 Versatile Multiplexer Technical Manual Version 2 2 Page 189 of 231 The Data Configuration settings for the units are as follows ...

Page 190: ...back at Unit 0 which uses it as the RX clock source The programming of the clock references is essential to all tributary channels since they must use a clock reference to generate all local bit rates In this example the Global Receive clock bus GRX takes the Port 1 Aggregate RX clock and Port 2 which will be used to connect a router uses the GRX as its reference for generating the RX router clock...

Page 191: ...link It is also applicable to the P400 modem when fitted with the P1448 interface but in this case the cable number VI68723B P1448 should be used to operate the interface in Direct mode The standard cable should be used with all other modems The configuration concept is to use one unique clock in the system as generated by Modem0 connected to the V100 with Node I D 0 with all other clocks derived ...

Page 192: ...C H A P T E R 5 A P P L I C A T I O N E X A M P L E S V100 Versatile Multiplexer Technical Manual Version 2 2 Page 192 of 231 and for the other unit ...

Page 193: ...S V100 Versatile Multiplexer Technical Manual Version 2 2 Page 193 of 231 The settings for Node I D are critical they must be set to different values for the units to communicate correctly The Clocking Configuration settings for the units are as follows ...

Page 194: ...C H A P T E R 5 A P P L I C A T I O N E X A M P L E S V100 Versatile Multiplexer Technical Manual Version 2 2 Page 194 of 231 The Data Configuration settings for the units are as follows ...

Page 195: ...set to DBA This allows the V100 to smoothly vary the RX clock on Port 2 according to traffic demand NOTE In order to generate a Terminal Timing TT clock from pins 8 and 15 on the V100 DB15 Data Port 1 and 2 connectors jumper links JP4 and JP5 on the V100 motherboard must be set to position 1 2 i e towards the front of the unit This is their factory default setting so in most cases there is no need...

Page 196: ...uipped with 4 voice channels and the standard 2 data ports The aggregate port is the ISDN service which is dialled whenever a voice call is active The Inmarsat terminal is an M4 and calls are made from mobile to fixed using the satellite Firstly the Inmarsat terminals should be aligned with the strongest spot beam using the standard technique as published in the relevant equipment handbook In orde...

Page 197: ... P L I C A T I O N E X A M P L E S V100 Versatile Multiplexer Technical Manual Version 2 2 Page 197 of 231 The V100 equipment should now be configured as in previous examples with one unit as Unit0 and the other as Unit1 ...

Page 198: ...face Card is loaded with the appropriate US protocols in this case National ISDN 1 has been selected A Call Timer value of 10 minutes ensures that no single ISDN call lasts for longer than 10 minutes This is a safety valve feature to prevent large dial on demand costs when a unit or network is configured incorrectly This safety valve can be disabled by setting the Call Timer value to permanent It ...

Page 199: ...Manual Version 2 2 Page 199 of 231 In order for the system to use the ISDN adaptor as its aggregate the implicit routing is not sufficient since the unit cannot communicate with any other nodes without any permanent aggregates set It is therefore necessary to set the ROUTING pages as follows ...

Page 200: ... be used followed by the complete destination number with the international dialling code In this case the international dialing prefix for the USA must be entered at Node1 The V100 data channels should now be configured In this example the ISDN service is used as the sole aggregate and so ports 0 1 and 0 2 should be configured as Tributaries and left unmapped If they are permanently mapped they w...

Page 201: ...handset is lifted at either multiplexer the ISDN number of the remote will be dialled the ISDN call will be made via the Inmarsat terminal and the multiplexers will establish carrier over the ISDN service The TEST LED or Option 0 LED on RevD units will illuminate GREEN to indicate an active ISDN call and the telephone at the remote site will ring Note also that the remote logon facility will also ...

Page 202: ...P aggregate Unit0 is configured with an IP address of 1 1 1 2 24 It is configured on an IP network with a default gateway of 1 1 1 1 Unit1 is configured with an IP address of 2 2 2 2 24 It is configured on an IP network with a default gateway of 2 2 2 1 Before the IP aggregate itself is configured the system node numbers and base IP configuration should be completed The System settings for the uni...

Page 203: ...C H A P T E R 5 A P P L I C A T I O N E X A M P L E S V100 Versatile Multiplexer Technical Manual Version 2 2 Page 203 of 231 The IP Networks menus for the units are as follows ...

Page 204: ...C H A P T E R 5 A P P L I C A T I O N E X A M P L E S V100 Versatile Multiplexer Technical Manual Version 2 2 Page 204 of 231 The IP static route table settings for the units are as follows ...

Page 205: ... 205 of 231 The IP aggregate is configured to provide a 64000bps aggregate to multiplex over Clock synchronization is required between the two units Unit0 is configured to provide its internal clock source as a reference for Unit1 The IP Aggregate settings specify the characteristics of the IP aggregate as follows ...

Page 206: ...ersatile Multiplexer Technical Manual Version 2 2 Page 206 of 231 A V100 routing table entry is required on both units to activate the IP aggregate Note that the name used in the route configuration must match the name assigned in the IP aggregate configuration ...

Page 207: ... I O N E X A M P L E S V100 Versatile Multiplexer Technical Manual Version 2 2 Page 207 of 231 To complete this IP aggregate configuration the clocking configuration on both units should be updated to drive GRX from the IP aggregate ...

Page 208: ...O N E X A M P L E S V100 Versatile Multiplexer Technical Manual Version 2 2 Page 208 of 231 Normal IP Tributary traffic can be routed across the IP aggregate in the normal way and is the preferred configuration where no QoS is available ...

Page 209: ...EARTH connection to ensure safe operation such that the user and TELECOM Network are adequately protected It must not under any circumstances be operated without an earth connection which could nullify its safety approval for connection to a network WARNING INSTALLATION OF EQUIPMENT This equipment must only be installed by suitably trained service personnel WARNING CONNECTION OF OTHER EQUIPMENT Th...

Page 210: ...cality International Ltd observe the general requirements of BS EN 100015 1 1992 in all matters relating to the handling and storage of electrostatic sensitive devices ESDs and assemblies We recommend strict observance of this standard during the installation of all Option Cards All cards are assumed to contain at least one ESD and therefore all subassemblies containing PCBs should be handled in t...

Page 211: ...IFY V100 Versatile Multiplexer manufactured by Vocality International Ltd CONFORMS WITH THE PROTECTION AND ELECTROMAGNETIC COMPATIBILITY REQUIREMENTS OF THE FOLLOWING STANDARDS BS EN 60950 1 2001 Safety Standard BS EN 61000 6 3 2001 Emission Standard BS EN 55022 conducted emissions BS EN 55022 radiated emissions BS EN 61000 6 1 2001 Immunity Standard BS EN 61000 4 2 BS EN 61000 4 3 BS EN 61000 4 4...

Page 212: ...the source port in remote supervisor connections 1 Data port 1 2 Data port 2 3 HSC channel 4 ISDN option card channel 5 ISDN option card channel 6 TDM option card aggregate channel 7 TDM option card management channel 8 E1 link option card aggregate channel 9 Remote supervisor port 0 Motherboard 10 31 IP bridge tributaries from embedded bridge router 1 or 2 Quad Data 1 4 Quad data ports 1 to 4 1 o...

Page 213: ...tput 2 RXDA RXD Output 3 TXDA TXD Input 4 TXDB DTR Input 5 GND GND Common 6 Normally Open I O 7 Common I O 8 CTS Output 9 Normally closed I O 8 2 High Speed Channel HSC Port Pin Signal Name Direction Shield Shield Common 1 TXCA Input Output 2 RXCA Input Output 3 MASTER TXDA SLAVE RXDA Input Output 4 MASTER RXDA SLAVE TXDA Input Output 5 GND Common 6 TXCB Input Output 7 RXCB Input Output 8 MASTER T...

Page 214: ...DCD RRA DCD I O 12 I B RRB RRB I O 6 S A RTA SCRA SCRA RXC I O 13 S B RTB SCRB SCRB I O 7 STA SCTA SCTA TXC I O 14 STB SCTB SCTB I O 8 TTA SCTEA SCTEA EXTXC O I 15 TTB SCTEB SCTEB O I 8 4 Analogue Voice Ports 8 way RJ45 Type Analogue voice port Pin Connections 4 wire Tie line mode 2 wire FXS FXO mode Pin No Signal Name Signal Type Name Type 1 MREF Reference 2 M Current Detector 3 RXA Input 4 TXRXA...

Page 215: ... way XLR Type Audio port Pin Connections Right channel Right In Right Out Pin No Signal Name Type Signal Name Type 1 GND Common GND Common 2 Audio Input Audio Output 3 Audio Input Audio Output 8 6 BRI Extender Connect to the ISDN network or appliance using a straight 8 way RJ45 cable 8 7 10 100base T Port The 10 100base T Router Port is only available on RevD and later units The pinouts are as fol...

Page 216: ...on 2 2 Page 216 of 231 8 8 E1 Link Interface The E1 Link interface presents both BNC connectors and an RJ45 for UTP The format of the UTP port is as follows 8 way RJ45 UTP Interface Pin No Signal Name Signal Type 1 RRING Receive RING 2 RTIP Receive TIP 3 GND Ground 4 TRING Transmit RING 5 TTIP Transmit TIP 6 7 8 ...

Page 217: ... A 10 10 C B 4 4 R A 11 11 R B 5 5 I A 12 12 I B 6 6 S A 13 13 S B 7 7 ST A 14 14 ST B 8 8 Output clock A 15 15 Output clock B Notes V 11 Male for connection to NTU must have M3 Screws unless national regulations permit the use of UNC 4 40 Mux end has 4 40 screws Each cable end must be clearly identifiable Dashed lines show wires to be twisted pairs Cable type Belden 9508 8 wire twisted pair overa...

Page 218: ...D 1 7 COMMON 2 2 TXD 9 3 4 RTS 10 4 3 RXD 11 5 8 DCD 12 6 17 RXC 13 7 15 TXC 14 8 24 EXTXC 15 Notes Cable type Belden 8 separate conductors overall screen or equivalent Maximum length 10 metres V 24 RS232 STRAIGHT 15 way Multiplexer Tributary DCE to PC DTE Cable Part Number VI68721B MUX 15 way Male Connector UNC 4 40 Screws Terminal 9 way Female Connector UNC 4 40 Screws Signal Name Shield Shield ...

Page 219: ...HIELD 1 5 GROUND 2 3 TXD 1 4 6 8 DCD DTR DSR CTS 4 2 RXD V 24 RS232 CROSSOVER 15 way Multiplexer Tributary DCE to Modem DCE Cable Part Number VI68721D MUX 15 way Male Connector UNC 4 40 Screws Modem 25 way Male Connector UNC 4 40 Screws Signal Name Shield Shield SHIELD 1 7 GROUND 2 3 RXD 4 6 20 RTS DSR DTR 4 2 TXD Notes Cable type 3 core overall screened Maximum length 10 metres at speeds up to 19...

Page 220: ...e Part Number VI68722A MUX 15 way Male Connector UNC 4 40 Screws Network 34 way Male Connector MRA Signal Name Shield A SHIELD 1 B GND 2 P TXDa 9 S TXDb 3 C RTS 10 H DTR 4 R RXDa 11 T RXDb 5 F DCD 12 E DSR 6 V RXCa 13 X RXCb 7 Y TXCa 14 AA TXCb 8 U EXTXCa 15 W EXTXCb Notes Dashed lines show wires to be twisted pairs Cable type Belden 9509 9 twisted pair overall screen or equivalent Maximum length ...

Page 221: ...s Modem 37 way Male Connector UNC 4 40 Screws Signal Name Shield Shield SHIELD 1 19 GND 2 4 SDA 9 22 SDB 3 7 RTSA 10 25 RTSB 4 6 RDA 11 24 RDB 5 13 RRA 12 31 RRB 6 8 RTA 13 26 RTB 7 5 STA 14 23 STB 8 17 TTA 15 35 TTB Notes Refer to Section 5 2 Use with Satellite Modems for both V100 and modem configuration settings Cable type Belden 9508 8 twisted pair overall screen or equivalent Maximum length 1...

Page 222: ...e Shield Shield SHIELD 1 2 18 19 36 37 4 GND 2 4 SDA 9 22 SDB 3 7 RTSA 10 25 RTSB 4 6 RDA 11 24 RDB 5 13 RRA 12 31 RRB 6 8 RTA 13 26 RTB 7 5 STA 14 23 STB 8 17 TTA 15 35 TTB Notes Refer to Section 5 2 Use with Satellite Modems for both V100 and modem configuration settings Cable type Belden 9508 8 twisted pair overall screen or equivalent Maximum length 100 Metres Use metal headshells and connect ...

Page 223: ... 40 Screws Modem 25 way Male Connector UNC 4 40 Screws Signal Name Shield Shield SHIELD 1 7 GND 2 2 SDA 9 14 SDB 3 4 20 RTSA 10 19 23 RTSB 4 3 RDA 11 16 RDB 5 8 RRA 12 10 RRB 6 17 RTA 13 9 RTB 7 15 STA 14 12 STB 8 24 TTA 15 11 TTB Notes Dashed lines show wires to be twisted pairs Cable type Belden 9507 7 wire twisted pair overall screen or equivalent Maximum length 100 Metres Use metal headshells ...

Page 224: ...5 5 GND Ground 8 8 CTS Output Notes Cable type Belden 6 separate conductors overall screen or equivalent Maximum length 5 metres For automatic use in Teletype Mode connections to pins 4 and 8 should be omitted and a shorting link fitted between them at the MUX end RS232 V 24 STRAIGHT 9 way Multiplexer Supervisor DCE to Modem DCE Cable Part Number VI68724B MUX 9 way Male Connector UNC 4 40 Screws M...

Page 225: ...15 way Male Connector UNC 4 40 Screws Signal Name Shield Shield SHIELD 1 1 GND 2 4 SDA RDA 9 11 SDB RDB 3 5 RTSA RRA 10 12 RTSB RRB 4 2 RDA SDA 11 9 RDB SDB 5 3 RRA 12 10 RRB 6 8 RTA TTA 13 15 RTB TTB 8 6 TTA RTA 15 13 TTB RTB Notes Dashed lines show wires to be twisted pairs Cable type Belden 9507 7 wire twisted pair overall screen or equivalent Maximum length 100 Metres Use metal headshells and ...

Page 226: ...ay Female Connector UNC 4 40 Screws Signal Name Shield Shield SHIELD 1 1 TXCA 6 6 TXCB 2 2 RXCA 7 7 RXCB 5 5 GND 3 3 MASTER TXDA SLAVE RXDA 8 8 MASTER TXDB SLAVE RXDB 4 4 MASTER RXDA SLAVE TXDA 9 9 MASTER RXDB SLAVE TXDB Notes Cable type Belden 9505 5 twisted pair overall screen or equivalent This interface operates at 4 096Mbps cable length must not exceed 1 metre Use metal headshells and connect...

Page 227: ...esentation DCE Interface RS232 or RS485 on DB9F with autodetect Format Asynchronous Data Rate 9600bps 8 bits no parity one stop bit Flow Control None Mode Formatted terminal display or Teletype M C Emulations Automatic support of most common terminals Alarms Voltage free changeover contacts High Speed Channel Presentation Proprietary RS485 on DB9F Format Synchronous HDLC Data Rate 4Mbps Clock sour...

Page 228: ...ADPCM 711 64Kbps PCM µ law or A law Proprietary NetCoder 6 4 7 2 8 0 8 8 9 6Kbps Relays Group 3 FAX relay at 2400 14400bps V 32bis Modem relay up to 14400bps STU IIB STU III Secure Voice Relay Signalling MFR1 R1 R2 SS4 SS5 AC15 Call Progress Echo cancellation G 168 adaptive 16 32mS tail Coding delay Per algorithm Gain 31dB programmable in 1dB steps 8 channel analogue voice FAX Specifications as 4 ...

Page 229: ...e 2x64K B channels 9 6K D channel One Special Option slot which can house one of the following TDM Interface Presentation DTE Aggregate Interface Selectable V 24 V 35 RS449 on DB15F Data Rates Sync only at 4800bps to 512Kbps Clock sources TXC EXT RXC RXC EXT only ISDN S0 T0 interface Interface Basic rate ISDN2 S T bus on RJ45 Protocols EURO ISDN NET3 US National 1 ISDN US Nortel DMS 100 US AT T IS...

Page 230: ...ard S0 T0 Euro VI68711 SE ISDN Basic Rate Interface Link Card S0 T0 US VI68711 SU ISDN Basic Rate Interface Link Card U0 VI68711U TDM Framer card VI68713 TDM Serial Interface Card VI68714 E1 T1 J1 Digital Voice Expansion Card inc in 68707 30 VI68715 Digital Voice Extender Card VI68716 Integrated Card Converter VI68717 Cables X 21 V 11 Multiplexer Aggregate DTE to Network DCE Cable VI68720A X 21bis...

Page 231: ...igh Speed Channel ICMP Internet Control Message Protocol IETF Internet Engineering Task Force ISDN Integrated Services Digital Network IP Internet Protocol LAN Local Area Network LDN Local Directory Number MAC Media Access Control MTU Maximum Transmission Unit bytes PEP Performance Enhancing Proxy PLL Phase Locked Loop QoS Quality of Service RFC Request For Comments RXC Receive Clock RXD Receive D...

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