background image

© 2006 Cronyx 

E1-XL/B-IP 

Multiplexor

Installation and  

Operating Manual

Document version: 1.0, October 23, 2006

Summary of Contents for E1-XL/B-IP

Page 1: ... 2006 Cronyx E1 XL B IP Multiplexor Installation and Operating Manual Document version 1 0 October 23 2006 ...

Page 2: ...10 Diagnostic Modes 10 Dimensions and Weight 10 Power Supply 10 Environment Conditions 10 Section 2 Installation 11 2 1 Requirements to Equipment Installation Location 11 2 2 Supply Set 11 2 3 Location of Controls and Connectors 12 Power Supply Connector 13 Grounding 13 E1 Port Connector 13 Ethernet Port Connector 14 Console Asynchronous Port Connector 14 Section 3 Operation 16 3 1 Synchronization...

Page 3: ...y Remote Device 20 4 2 Menu Structure 21 4 3 Menu Configure 22 4 3 1 Menu Configure E1 Interface 23 Line Code 23 Clock 23 Mode 24 CRC4 mode 24 Signaling 24 Voice encoding 24 Timeslots 24 Higain 25 Echo 25 4 3 2 Menu Configure Transport 26 Layer 26 Local IP 26 Local MAC 27 Remote IP 27 Remote MAC 27 Port 27 Proto 27 QoS 28 VLAN 28 MTU 28 4 3 3 Menu Configure Trunk 29 Recovery mode 29 Interval 30 Su...

Page 4: ...utward 36 Interaction 36 Bandwidth 37 DNS 37 Interior 37 4 3 6 Menu Configure Console 38 Password 38 Device access recovery 38 Hostname 38 Network 39 Serial 39 Reset 39 4 3 7 Command Configure Show 39 4 3 8 Command Configure Commit 39 4 3 9 Menu Configure More 39 Revert 40 Save 40 Apply 40 Load 40 Cancel 40 Defaults 40 Reset 40 4 4 Menu Status 41 4 4 1 Command Status Report 41 Section E1 41 Sectio...

Page 5: ...Cronyx 4 4 2 Command Status Clear 44 4 4 3 Menu Status System tables 44 4 4 4 Command Status Firmware 44 4 5 Menu Testing 44 4 5 1 Menu Testing E1 Interface 44 4 6 Menu Restart 45 4 7 Menu Firmware update 45 4 8 Command Logoff 47 ...

Page 6: ...vice operation and maintenance Strictly follow legacy safety standards and regulations during installation op eration and maintenance of the device Works related to installation maintenance and repair of the device should be conducted by qualified and authorized personnel only Installation maintenance and repair procedures should not be performed by an operator or a user ...

Page 7: ...rate of 2048 kbps with both framed structure in compliance with ITU T G 704 or PCM 30 standard or unframed E1 XL IP is designed to provide reliable transmission of framed full or fractional or unframed E1 stream over an asynchronous packet network with interruptible delivery IP or Ethernet and traffic optimization by means of data compression and elimination of idle times IP УАТС УАТС E1 XL IP E1 ...

Page 8: ...ce data compression to 4 fold Range over E1 PCM 30 line to 2 5 km Managed by RS 232 V 24 DTE port access via SSH Firmware update via Internet like Windows Update Two modes of local loopbacks The device can be managed via RS 232 V 24 interface by means of ANSI terminal or via Internet over SSH protocol The multiplexor s firmware can be updated over HTTP protocol from update cronyx ru update process...

Page 9: ... Balanced 120Ω twisted pair Rx signal level 0 dB to 43 dB Range To2 5kmviaUTP 5cablewhenconnected to a device with receiver having similar sensitivity Jitter suppression In side Tx or Rx path depending on mode of operation specified Overvoltage protection TVS Overcurrent protection Safety fuse Connector DB 15 female E1 Synchronization Internal From internal clock with stability not less than 50 pp...

Page 10: ...0 115200 baud 8 bit symbol 1 stop bit non parity Modem signals DTR DSR CTS RTS CD Interface type connector RS 232 V 24 DTE DB 9 male Diagnostic Modes Loopbacks Local to E1 line local to remote device Control Via console port or over SSH protocol Dimensions and Weight Dimensions 300 mm x 290 mm 70 mm Weight 3 kg Power Supply AC input 100 240 V 50 60 Hz Power consumption not more than 250 W Environm...

Page 11: ... less than 10 cm of free space behind it for con nection of interface cables Ambient temperature should be 0 to 50 С with humidity 80 non condensing 2 2 Supply Set E1 XL B IP system unit 1 External power supply unit with mains cord 1 Counter part of E1 interface DB 15 connector 1 Loopback for E1 interface testing 1 Installation and Operating Manual 1 ...

Page 12: ...wing elements are located on the multiplexor s front panel RESET CRONYX E1 XL B IP 1 2 3 4 Nonvolatile memory NVRAM access indicator red POWER ON indicator green Reset button ON OFF button The following elements are located on the multiplexor s back panel USB USB USB USB ETH0 ETH1 1 4 5 6 2 3 7 COM VGA PS PS 2 external keyboard connector External VGA monitor connector Console asynchronous serial p...

Page 13: ...used IEC 320 C14 Power supply cables from multiplexor to power supply unit and from power supply unit to AC network and power supply unit are supplied with he multiplexor Grounding It is obligatory to ground the device prior to operating Lack of grounding will result in failures of E1 G 703 line interface Grounding can be done via any cover screw located on the back side of multiplexor case E1 Por...

Page 14: ...male is provided with RS 232 V 24 DTE standard interface and by default uses the following settings asynchronous mode 9 600 baud 8 bit symbol 1 stop bit non parity When connecting terminal ensure RTS signal is fed from terminal to multiplex or s console port for stream control The following cabling schemes are recommended for use CD 1 RXD 2 TXD 3 DTR 4 GND 5 DSR 6 RTS 7 CTS 8 1 CD 2 RXD 3 TXD 4 DT...

Page 15: ...yx 15 CD 1 RXD 2 TXD 3 DTR 4 GND 5 DSR 6 RTS 7 CTS 8 1 CD 2 RXD 3 TXD 4 DTR 5 GND 6 DSR 7 RTS 8 CTS Cable without modem control DB 9 Female DB 9 Male E1 XL B IP DTE Control terminal TDE For connection to COM port use null modem cable ...

Page 16: ...ronized from common external source and transmits synchronization signals to E1 XL IP from both sides 3 1 2 Synchronization Recovery Mode One of the devices transmits synchronization over packet network and the other one receives recovers it Multiplexors operating in pairs during this mode are setup differ ently But clock frequency recovery engine should be switched on both devices The device tran...

Page 17: ...out processing and is trans ferred to a remote device over packet network Data received from the remote device from packet network is lost 3 2 2 Loopback to Remote Device E1 XL IP E1 XL IP E1 G 703 Data received from a remote device over packet network is processed by the device and transferred back for transmission to E1 port Data received from E1 port is lost ...

Page 18: ...ew device current modes its state error statistics to setup device modes and store them in nonvolatile memory 4 1 Upper Level Menu Console interface is made in the form of simple hierarchical menu To execute com mand or pass to low level menu enter an appropriate number To return to upper level menu type Enter or Return Example of root menu is shown in the figure below Cronyx TDM IP Trunk 1 0 Main...

Page 19: ... local E1 port and separated by state of remote device E1 port CPU DSP load device processor usage coefficient in percents Uptime device operating period after switching power on or the last restart 4 1 1 E1 Port Status Ok everything is all right local E1 port is being setup or data on state of E1 port of remote device is not available los no carrier ais receives signal all ones blue code lof fram...

Page 20: ...st connection to remote device lost dtx DTX suffix means that local device switched over to Discontinuous Transmission state network packets are sent to remote device once in several seconds 4 1 4 Status of TDM IP stream Capture by Remote Device seize remote device successfully seized and holds TDM IP stream lost stream lost at remote device no data available from remote device dtx DTX suffix mean...

Page 21: ...e E1 Interface Console Show Network Commit Trunk Thrifty Transport More E1 Interface Clean Report Mirror Loopback Lite Trunk Reboot Logoff Clock Mode Timeslots Layer Remote address Minimum delay Maximum delay Interval Outward Bandwidth Interaction Interior Gateway IP address Password Advanced DTX Mode Compression VAD CNG ...

Page 22: ... trunk settings 4 Thrifty bandwidth saving options 5 Network manage network interfaces 6 Console access password console ssh 7 Show show current setting X Commit apply save current configuration 9 More other actions Command Changes made to device configuration come into effect after their actualization This can be done in three different ways Execute command Configure Commit ref section 4 3 7 Exec...

Page 23: ...signaling mode in timeslot 16 6 Voice encoding A law G 711 voice PCM encoding format 7 Timeslots 1 31 select timeslots 8 Higain Off line receiver sensitivity 9 Echo Off echo cancellation Command Line Code Selection of E1 port line code modulation HDB3 selection of HDB3 code high density bipolar code used by de fault AMI selection of AMI code Alternate Mark Inversion Clock Selection of synchronizat...

Page 24: ...CRC4 multiframe are used Signaling Selection of telephone signaling type transmitted in 16th timeslot of E1 stream The given menu item can be accessed only in case E1 framed mode is selected CAS associated channels signaling mode CСS common channel signalling mode none in slot inband tone or telephone signaling is not available Voice encoding Specifies PCM sound coding law in compliance with ITU T...

Page 25: ... timeslot with CAS type signaling R2 E M C transmit as timeslot with CCS type signaling ISDN QSIG SS7 Higain Selection of G 703 receiver sensitivity Off normal sensitivity to 12 dB used by default Recommended in case range over E1 line is not more than 250 m On increased sensitivity mode 43 dB makes it possible to hear remote device connected to E1 line made of 0 6 mm2 twisted pair at ranges to 2 ...

Page 26: ... directly IPv4 protocol Data will be transmitted inside IP packets without upper level protocol such as UDP TCP ICMP etc headings In addition to re mote device IP address it is also required to specify protocol type values Proto for IP datagram headings UDP UDP datagrams over IPv4 Data will be transmitted inside UDP packets In addition to remote device IP address it is also required to specify UDP...

Page 27: ... of network packets to remote TDM IP device Port The given menu item can be accessed only in case UDP protocol is selected as transport layer It is used to specify number of UDP port which will be used for both transmission of network packets to remote TDM IP device and reception of the packets It should coincide with the port number specified on remote device Default value is 2142 0x085E which co...

Page 28: ...for outbound TDM IP packets Not effective if VLAN number is not specified since in this case VLAN marks won t be generated VLAN It is used to specify virtual network number which will be used to generate VLAN marks for outbound TDM IP packets MTU It is used to specify Maximal Transfer Unit in backbone packet network Thus it is possible to limit size of outbound TDM IP packets Actual size of packet...

Page 29: ...transport delay 7 Retry count none provide delay to allow at least retries 8 Frequency advanced frequency limits Command Recovery mode It used to select mode of clock frequency recovery engine operation Regular standard mode used by default Optimistic optimistic mode of operation device will make shorter delay during data processing and buffering but at the expense of loss of tolerance against low...

Page 30: ...tted triple to 66 fourfold to 75 etc Delay caused by processing and buffering is proportional to superfluity coefficient Recommended value for data networks with low loss level is 1 The same values should be preset at both local and remote devices Interleaving It is used to specify interleave factor for superfluity transmission of network packets is meaningless when superfluity coefficient ref Sup...

Page 31: ...l device will always try to request it from remote device provided current round trip delay enables its reception before it is required to send its data to TDM interface E1 port Parameter Retry count allows to request additional buffering which is required to ensure the device requests retransmission of lost data specified number of times Recommended value for data networks with low loss level is ...

Page 32: ...on 4 VAD On voice activity detection 5 CNG On comfort noise generation 6 Advanced more options Command Mode It is used to set up major traffic and bandwidth saving mode The same saving mode should be preset at both local and remote devices Off cuts off all saving modes all data is transmitted as constant continuous transparent stream Repetitive pack presets mode at which device will try to detect ...

Page 33: ...e several thousand times and taking into account lower overhead expenses and voice data compression to outbid VoIP technology cost efficiency It is not recommended to use DTX under conditions of network packets high level loss since situation when the first network packet is lost at DTX exiting can not be detected by device in time and therefore there is a great probability it will result in disto...

Page 34: ...ted over packet network At that silence is a situation when sound level is lower than preset level of silence 42 dB by default Generally this is enough to ensure reliable exclusion of timeslots which correspond to unused or currently idle telephone lines from traffic without noticeable side effects Use of VAD enables to exclude transmission of voice pauses from traffic and thereby to reduce volume...

Page 35: ...ties with correct settings it is recommended to ascribe to inactive combinations only that situation when all four ABCD bits equal 1 Silence volume level below which sounds will be considered as silence It is preset in negative decibels greater number corresponds to lower volume Default value is 42 dB which approximately corresponds to very low whisper Bypass volume level at which VFD unconditiona...

Page 36: ...IP packets will be transmitted exactly via external network interface IP address IP address assigned to device external network interface Mask network mask Gateway default gateway MAC address MAC address of network interface for viewing only Interaction Mode of interaction with local area network connected to external network inter face Bridge device will function in Ethernet bridge mode Router de...

Page 37: ...be greater than bandwidth required for TDM IP stream transmission Otherwise some part of TDM IP packets will be de layed and or deleted by bandwidth control engine DNS It used to specify IP address of Domain Name Server which is required for update process of device internal software Interior The given submenu is used to configure internal network interface and accessible only in case interaction ...

Page 38: ...ible only in case if specified password is not empty Device access recovery In case access password is lost it is possible to recover access to device only locally by employing access recovery procedure To do so proceed as follows Connect VGA monitor and PS 2 keyboard to device Reboot device and control boot process on monitor When Running startup procedures message appears press and hold ALT key ...

Page 39: ...ate 38 400 baud 57600 access allowed port rate 57 600 baud 115200 access allowed port rate 115 200 baud By default access to device console via asynchronous port is allowed preset rate 9600 baud Reset It is used to reset access password and set up console default parameters including access password 4 3 7 Command Configure Show It is used to view device configuration as a line by line report 4 3 8...

Page 40: ...t saving them in nonvolatile memory NVRAM Load Loads settings saved in nonvolatile memory NVRAM Cancel Cancels modifications made in device configuration Defaults Resets device configuration to default state without actualization and saving Settings saved in nonvolatile memory NVRAM do not change Reset Deletes content of nonvolatile memory NVRAM resets all settings to default state sets up empty d...

Page 41: ...cal E1 port state Current target frequency Current real frequency target current recov ered clock frequency Code violations counter of code violations on reception Controlled slip seconds slip counter Frame sync errors counter of seconds during which frame and or multiframe synchronization was lost on reception CRC4 errors CRC4 error counter on reception Remote CRC4 errors CRC4 error counter detec...

Page 42: ... No I O buffer counter of input output buffer lack errors Packet format counter of packets received with invalid data format Invalid retry request counter of invalid retransmission requests received P2S underrun P2S overrun queue to E1 port transmission underrun over run S2P underrun S2P overrun queue to E1 port reception underrun over run Sequence lost counter of synchronizations lost with packet...

Page 43: ...me Engine out volume volume of received transmitted data including payload and service data but without taking transport layer head ings into consideration Engine in bandwidth Engine out bandwidth current bandwidth used to receive transmit data including payload and service data but without taking transport layer headings into consideration Rx packets Tx packets number of network packets received ...

Page 44: ... detailed report 4 5 Menu Testing Menu Testing is used to test operability of device and its related equipment 4 5 1 Menu Testing E1 Interface Menu Testing E1 Interface is used to control to E1 port loopbacks Active loopback modes are not saved in nonvolatile memory The following options are available Normal normal operation without loopbacks Mirror mirror mode Data received from E1 port is turned...

Page 45: ...iplexor firmware Cronyx TDM IP Trunk 1 0 Update firmware update device s firmware 0 Return 1 Method HTTP firmware upload method 2 IP address none local IP address 3 Mask none network mask 4 Gateway 192 168 0 1 default gateway address 5 DNS 192 168 0 1 domain name server 6 Proxy server none http proxy server 7 Proxy port 3128 http proxy server port 8 Perform perform firmware update Command Method s...

Page 46: ...TDM IP Trunk DF 1 0 0 576 2005 11 15 Selected none 1 Selection firmware selection X Ok start updating process 3 Cancel cancel firmware update Command Further on by means of hierarchical menu displayed you should select firmware version you want to install Data on firmware version installed is displayed in line Running and data on firmware version selected in line Selected When possible update of i...

Page 47: ...kup size Ok Providing free NVRAM RAM space Ok Downloading Ok Backup current firmware Ok Write new firmware Ok Commit transaction Ok Remove unneeded components Ok Closing NVRAM Ok Verifing installed firmware Ok Firmware updated successfully do You want to restart device with the new firmware Y n After upload process completion and firmware new version installation device will offer restart Before r...

Page 48: ...Web www cronyx ru E mail info cronyx ru ...

Reviews: