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Paradise Datacom Quantum, Инструкция по установке и эксплуатации

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Quantum and Evolution Series Installation and Operating Handbook 

 

 

 7-66

 

 

25% 

 
This selects a filter roll-off factor of 25%. 
 

 

20% 

 
This selects a filter roll-off factor of 20%. 

 

Factory default:

 

35% 

 

 

Description:

 

Controls the slope of the carrier at its edges and therefore has an effect 
on both occupied bandwidth and the potential for interference from 
adjacent carriers. A factor of 20% is the most bandwidth efficient. Note 
that older Paradise modems support only 35% - please consult 
Customer Technical Support if in doubt. 

 

 
Edit-Tx-Carrier-Advanced-AUPC Menu 

 

This menu contains the following options: 
 

•

 

Mode.

 This controls the ability to attempt to maintain the remote Eb/No at a specified 

target level by varying the local modem transmit power level. 

•

 

Target Eb/No. 

This is used to set a target Eb/No for the distant modem that this 

modem tries to maintain by adjusting the transmit power level.

 

•

 

Power offset. 

This sets the maximum increase in transmit power level that can be 

made to maintain the distant Eb/No. 

 
 
Edit-Tx-Carrier-Advanced-AUPC-Mode Screen 
 

 
Options:

 

 

Off 
 

AUPC:1:Mode                          
           2:Target Eb/No            
           3:Power offset               

 

 

AUPC mode: [Off]                         
      1:Off           2:Monitor          
      3:Maintain

 

 

Содержание Quantum

Страница 1: ...Innovation Blvd Witham Essex CM8 3UJ England State College PA 16803 U S A Tel 44 0 1376 515636 Tel 1 814 238 3450 Fax 44 0 1376 533764 Fax 1 814 238 3829 http www paradisedata com Copyright 2005 2010...

Страница 2: ...ction 5 1 5 3 Getting Started 5 1 5 4 Power Up 5 1 Chapter 6 Introduction 6 1 6 1 Overview 6 1 6 2 Hardware Options 6 2 6 2 1 IDR Option Card 6 2 6 2 2 G 703 Option Card 6 2 6 2 3 LVDS Option Card 6 2...

Страница 3: ...188 7 4 14 IP Static Routes 7 191 7 4 15 Header Compression 7 192 7 4 16 Fetching Web Pages from a Remote Modem 7 194 7 4 17 Adaptive Signal Pre distorter 7 194 Chapter 8 Modem Concepts 8 1 8 1 Doppl...

Страница 4: ...Sat ABIS 8 61 8 16 FastLink Low latency LDPC 8 64 Chapter 9 Remote Control Protocol 9 1 Chapter 10 Data Interfaces 10 1 Chapter 11 Connector Pinouts 11 1 Chapter 12 Fault Messages 12 1 12 1 Transmit F...

Страница 5: ...ications 13 10 13 13 Data Rate Specifications 13 10 13 14 Traffic Log Specifications 13 12 13 15 Common Specifications 13 12 13 16 Internet Traffic 13 13 13 17 BUC LNB facilities 13 13 13 18 Performan...

Страница 6: ...lite bandwidth requirements compared with legacy standards DVB S2 can be used in one of two ways Firstly DVB S2 can be used as a service in its own right e g the modem could be used to provide a DVB S...

Страница 7: ...F Satellite Modems Paradise Datacom Quantum Series PD20 L band Satellite Modems Paradise Datacom Quantum Series PD60 IF Satellite Modems Paradise Datacom Quantum Series PD60 L band Satellite Modems Re...

Страница 8: ...information in this handbook this cannot be guaranteed and the information contained herein does not constitute a product warranty A product warranty statement is provided separately to this handbook...

Страница 9: ...e the safety compliancy Please contact Customer Technical Support for further advice Operation of the equipment in an environment other than that stated in the specifications will also invalidate the...

Страница 10: ...voltage installation The positioning of the equipment must be such that the mains supply socket outlet for the equipment should be near the equipment and easily accessible or there should be another...

Страница 11: ...vailable hardware options To ensure that the modem maintains compliance with electromagnetic compatibility standards please observe the following points The equipment must be operated with its cover o...

Страница 12: ...ooling should be provided This must include leaving adequate clearance around the ventilation holes on the sides and the fan on the back panel Connect the appropriate cables to the Transmit IF and Rec...

Страница 13: ...d Reed Solomon RS and Bose Chaudhuri Hocquenghem BCH outer FEC model specific A full range of terrestrial interfaces including RS422 V 35 RS232 Synchronous and Asynchronous LVDS HSSI Eurocom D1 Ethern...

Страница 14: ...nterface positions 1 and 2 free and makes use of either the EIA530 connector in interface position 1 or 2 for balanced signals or BNC connectors interface position 3 for unbalanced signals 6 2 3 LVDS...

Страница 15: ...AMI coding Eurocom G interface at 16 or 32kbps on a 25 pin D male connector The Eurocom D1 EIA530 option card part number P3713 provides Eurocom D interface data rates of 16 to 2048kbps Eurocom G int...

Страница 16: ...ote that the IP Traffic card is dedicated to processing IP satellite traffic only remote IP based M C including SNMP and access to the modem web server continue to be supported via the base modem RJ45...

Страница 17: ...d 5662 5663 24V 130W P3536 48V 130W P3535 NJR 1W Ku band 5015 24V 25W P3532 NJR 1W Ku band 5075 24V 18W P3532 NJR 1 5W Ku band 5035 24V 24W P3532 NJR 2W Ku band 5076 5016 24V 37 5W P3532 NJR 3W Ku ban...

Страница 18: ...also that the feature set is being expanded all the time please contact Customer Technical Support for up to date information Note that the following are provided as standard in the modem Tx Rx DR0 D...

Страница 19: ...Rate TPCH Enables selection of the TPC FEC scheme at all terrestrial data rates Advanced ESC ESC Enables selection of the high rate asynchronous ESC channel in IBS SMS mode and asynchronous ESC access...

Страница 20: ...cceleration of TCP data over satellite This level of acceleration is available only with the IP Traffic option card TCP acceleration to 55Mbps Evolution PD55 or 60Mbps Quantum PD60 TCP55 Enables a Per...

Страница 21: ...ata rate of 25Mbps LDPC FEC LDPC55 Enables LDPC FEC scheme to a maximum data rate of 55Mbps Evolution PD55 or 60Mbps Quantum PD60 Adaptive signal pre distorter ASP Allows 16QAM constellations to be ad...

Страница 22: ...bles Paired Carrier data rates in the given range inclusive Paired Carrier data rate 5Mbps to 10Mbps PCME Enables Paired Carrier data rates in the given range inclusive Paired Carrier data rate 10Mbps...

Страница 23: ...ge inclusive FastLink LDPC data rate 10Mbps to 20Mbps FL5 Enables FastLink low latency LDPC data rates in the given range inclusive FastLink LDPC data rate 20Mbps to 25Mbps FL6 Enables FastLink low la...

Страница 24: ...used Unit OK Rx Traffic Rx fault or Rx disabled Not used Not used Rx OK Tx Traffic Tx fault or Tx disabled Not used Not used Tx OK Test Mode Normal mode Not used Test mode Not used Tx Carrier Carrier...

Страница 25: ...locked Help screen Numeric entry mode 123 Alphabetic entry mode Abc Modem is on a Tx Edit screen Tx Modem is on an Rx Edit screen Rx Front Panel LCD Icons 6 4 2 1 Keypad The keypad see the diagram be...

Страница 26: ...h live and neutral lines Access to the fuses is provided by a slide out tray Both fuses are standard 20mm type rated T3 15A of the slow blow time delay type ALWAYS REPLACE THE FUSE WITH ONE OF THE SAM...

Страница 27: ...ESC Aux access on this async connector is disabled This connector also provides the input port for an RS422 compatible Station Clock On line LED This LED mirrors the front panel Tx Carrier LED so tha...

Страница 28: ...port replaces the shared ESC Aux access via the Async ESC connector on the main unit The Aux port provides 32 or 64kbps access to the IDR overhead in place of one or both of the IDR 32kbps ADPCM audio...

Страница 29: ...o that the M C port is removed from the bridge which may benefit security in some circumstances where it is important to separate the M C and IP traffic streams An M C IP address subnet mask and defau...

Страница 30: ...following sections 7 1 1 Local Mode On shipping from the factory the modem defaults to Local mode which allows control of the modem from the front panel interface only Web users can however log in and...

Страница 31: ...y locking out remote admin users Note that unless the switch back is done local front panel interface control will time out in a similar way to remote admin users and thereby control may be taken away...

Страница 32: ...ots to be dropped or inserted the Down arrow key is used to enter a comma The Left arrow key moves the cursor to the left On a menu this is used to navigate between menu options When entering an alpha...

Страница 33: ...M C control s function Pressing the 0 key and Left arrow key together for a second time removes the Help text and reverts the display back to its previous contents Keyboard Lock The keypad can be lock...

Страница 34: ...F and the appropriate SAF code has not been enabled Please contact Paradise Sales who can issue a SAF key to unlock the feature Alternatively all SAF features can be enabled for a limited time as desc...

Страница 35: ...g sub menus Status Displays modem operational status summary information Edit Allows modification of all modem configurable properties View Displays detailed operational status and read only configura...

Страница 36: ...Quantum and Evolution Series Installation and Operating Handbook 7 7 7 3 2 Status Menu Front Panel Status Menus...

Страница 37: ...terrestrial data rate Receive terrestrial data rate Transmit symbol rate Receive symbol rate Status Traffic Screen This screen is constantly updated with the following information When there is no tr...

Страница 38: ...nfiguring o Mute Off the carrier has been muted by the user Status Demodulator Screen This screen is constantly updated with the following information The receive path Eb No figure energy per bit to s...

Страница 39: ...abled then PCMA status will be shown as PCMA disabled The frequency offset between the two interfering overlapped carriers is shown on the second line The measured delay to the satellite is shown on t...

Страница 40: ...splays the following screen This screen shows the receive path final bit error rate BER in large font for easy viewing It shows the user settable Modem Identifier on the bottom line of the screen Sele...

Страница 41: ...OK Selecting the Down arrow displays the following screen This screen is constantly updated with the following information Distant Eb No this is the instantaneous Eb No measured by the remote modem wh...

Страница 42: ...ted with the following information Output this is the output power in dBm at the waveguide flange or Off if the BUC is not transmitting Mode in Terminal closed loop mode this presents the Terminal RF...

Страница 43: ...the transmit path edit submenu which allows all of the modem Tx properties to be changed Rx This option selects the receive path edit submenu which allows all of the modem Rx properties to be changed...

Страница 44: ...Quantum and Evolution Series Installation and Operating Handbook 7 15 7 3 3 1 Edit Tx Menu Front Panel Edit Tx Menus...

Страница 45: ...controlled Carrier This leads to a submenu that allows the carrier frequency power spectrum inversion and AUPC Automatic Power Up link Control to be controlled Interface This submenu is used to confi...

Страница 46: ...requires the OM 73 SAF feature DVBS2 Quantum only This selects the DVB S2 service When selected a pure DVB S2 service is provided with all SCPC features such as Drop and Insert IBS ESC channel etc di...

Страница 47: ...cations to benefit from the bandwidth saving efficiencies and extra robustness of DVB S2 Edit Tx Service IDR Frame Format Screen Options Low rate T1 E1 The 12 bit overhead defined for T1 E1 operation...

Страница 48: ...el is set to Advanced this allows configuration of framing timeslots and overhead Edit Tx Baseband Mode Screen Options Continuous This selects normal continuous data interface operation Drop MUX This...

Страница 49: ...0 Maximum value Modem specific see datasheet for particular modem model Step size 1 Factory default 2048000 Description Terrestrial bit rate This is used in Continuous mode but is automatically set in...

Страница 50: ...option specifies whether Channel Associated Signalling CAS information is present in Timeslot 16 TS order This controls whether timeslot reordering is allowed Drop mode This specifies the framing for...

Страница 51: ...frame insertion Edit Tx Baseband Advanced Framing CAS Screen Options CAS When CAS is selected the CAS will be conveyed from end to end of the link using the IBS overhead No CAS This indicates that a t...

Страница 52: ...slots can be reordered within the G 732 frame prior to transmission In some applications this feature can remove the need for separate Digital Access Cross Connect DACCs equipment that is used to re a...

Страница 53: ...Framing CAS in TS16 Screen Options No CAS CAS Factory default No CAS Description Controls whether CAS information is processed and routed through the satellite Edit Tx Baseband Advanced Framing T1 RB...

Страница 54: ...ault No RBS Description Specifies whether Robbed Bit Signalling information is present in the traffic source When selected drop insert data is placed into the bearer by the insert MUX in the same fram...

Страница 55: ...32 frame does contain a checksum that should be checked for errors If enough errors accumulate then a Tx Drop MUX BER alarm will be raised Input BER 1E 3 Factory default Ignore CRC Description This op...

Страница 56: ...tation of ITU G 704 is carried out forcing re acquisition of the terrestrial Drop Insert frame synchronization if CRC synchronization cannot be achieved within 8ms Edit Tx Baseband Advanced Timeslots...

Страница 57: ...2 operation timeslot numbers 1 32 are used and for T1 D4 and T1 ESF timeslot numbers 1 24 are used Timeslots can be entered as individual numbers separated by commas or as an inclusive range denoted b...

Страница 58: ...aseband Advanced Timeslots Number Used Screen then the new value will not be accepted and the modem will remain on this screen Note that when a valid sequence of timeslot numbers is accepted it may ta...

Страница 59: ...ots are all part of the same stream Edit Tx Baseband Advanced Timeslots Idle Code Screen Options Leave on bearer The Tx data remains on the bearer and will be accessible to downstream equipment unless...

Страница 60: ...ead in IBS SMS mode allowing both the low and high rate ESC channels to be set up The different options are presented as a sequence of screens that configure all aspects of the overhead IDR This contr...

Страница 61: ...interface character length 8 bits 1 7 bits 2 8 bits ESC Character Length Screen ESC interface RS485 New RS485 ESC Interface Screen ESC interface parity polarity None New None ESC Parity Screen Enable...

Страница 62: ...baud 19200 baud 38400 baud 57600 baud 76800 baud 115200 baud Factory default 9600 baud Description Sets the baud rate of the ESC UART ESC Character Length Options 7 bits 8 bits Factory default 8 bits...

Страница 63: ...nous Factory default Off Description Controls the operating mode of the IBS Aux channel controlling the allocation of overhead between the Aux and ESC interfaces AUX Interface See the description unde...

Страница 64: ...rhead P230 compatible New Maximum overhead High rate ESC Usage Screen Max ESC rate 9600 Maximum ESC Baud Rate Screen ESC interface character length 8 bits 1 7 bits 2 8 bits ESC Character Length Screen...

Страница 65: ...n base modem Factory default Off Description Controls whether the IBS high rate asynchronous ESC channel is enabled High rate ESC Usage Options P230 compatible Maximum overhead Factory default Maximum...

Страница 66: ...riptions under Edit Tx Baseband Advanced Overhead Closed Network Plus ESC Screens IBS SMS Aux Mode Options Off Intelsat over sampled Synchronous Factory default Off Description Controls the operating...

Страница 67: ...head IDR Screens The following sequence of screens will appear consecutively when the IDR overhead option is selected IDR 8k ESC Off 1 Off 2 Asynchronous 3 Synchronous IDR 8k ESC Screen ESC interface...

Страница 68: ...face Screen IDR ESC audio encoding 2x32K in V1 V2 2x32K in V1 V2 New 2x32K in V1 V2 IDR ESC Audio Encoding Screen IDR Aux data Off 1 Off 1 32K 2 64K IDR Aux Data Screen Backward alarm mode 1 4 externa...

Страница 69: ...ESC Screens ESC Interface See the description under Edit Unit Interface ESC Interface Screen IDR ESC Audio Encoding Options Off When off V1 and V2 are omitted and consequently only 32kbps overhead is...

Страница 70: ...ed to Aux data via the Aux controls IDR Aux Data Options Off No Aux data is placed in the overhead 32K 32kbps of Aux data replaces the data in IDR audio ESC channel V2 requires the IDR audio mode sett...

Страница 71: ...y linked from Rx Fail to BA1 or BA1 4 these alarms respond similarly to the normal single backward alarm Requires Custom SAF feature 7 3 3 1 3 Edit Tx Clocks Screen Options Tx Clock In The external cl...

Страница 72: ...this point When asynchronous operation is switched on then the external RS232 clock is ignored and the data is clocked by an oversampled internal clock This can help overcome data marginal type of pr...

Страница 73: ...Quantum and Evolution Series Installation and Operating Handbook 7 44 T1 Factory default OFF Description Allows a high stability reference signal to be transferred across satellite...

Страница 74: ...to TCM TPC and FastLink LDPC 16QAM Requires 16QAM SAF feature Applicable to TPC and FastLink LDPC 8QAM Requires 8QAM SAF feature Applicable to FastLink LDPC 16APSK Requires 16APSK SAF feature Applica...

Страница 75: ...referred for bandwidth efficiency Edit Tx Modulation Advanced Menu This menu can be selected when user level is set to Advanced following the setting of the modulation type It contains the following o...

Страница 76: ...g options Inner This submenu controls the Inner FEC settings for the modem Outer This submenu controls the Outer Reed Solomon FEC settings for the modem Edit Tx FEC Inner Menu This menu contains the f...

Страница 77: ...uantum only 1 3 2 5 QPSK DVB S2 Quantum only 3 5 QPSK 8PSK DVB S2 Quantum only 2 3 4 5 5 6 8 9 9 10 QPSK 8PSK 16APSK FastLink LDPC 0 498 BPSK FastLink LDPC 0 531 QPSK FastLink LDPC 0 636 0 707 0 795 Q...

Страница 78: ...the noise SmartLink is described in more detail in Section 8 13 However the DVB S2 standard does not directly support various features traditionally used in SCPC links such as Drop and Insert ESC cha...

Страница 79: ...that optimize either BER performance or latency even further giving the flexibility to match FEC performance more closely to the constraints of the satellite application In many if not all applicatio...

Страница 80: ...VB S2 SmartLink only 0 477 21 44 TPC only 0 493 1 2 Paradise TPC only 1 2 Viterbi Sequential DVB S2 SmartLink only 3 5 DVB S2 SmartLink only 2 3 TCM only 0 666 2 3 Paradise TPC only 3 4 Viterbi Sequen...

Страница 81: ...B S2 SmartLink only 7 8 Viterbi Sequential 0 875 7 8 de facto TPC only 0 875 7 8 Paradise TPC only 8 9 DVB S2 SmartLink only 9 10 DVB S2 SmartLink only 0 929 Paradise TPC only 0 498 FastLink only 0 53...

Страница 82: ...the data stream against errors In DVB S2 IP multistreaming mode then there will be one FEC rate screen shown for each stream as each can be set independently Not all FEC rates are available for all mo...

Страница 83: ...he Sequential encoder decoder to be Comstream compatible at R3 4 Already compatible at R1 2 the CM701 does not have R7 8 available Edit Tx FEC Frame Type Screen The following screen may be shown at th...

Страница 84: ...then there will be one of these screens for each stream Options Off On Factory default Off Description Pilot tones are an optional part of DVB S2 They provide an unmodulated tone at regular intervals...

Страница 85: ...eed Solomon fails catastrophically Once the error correction threshold is passed then the codec considers it uncorrectable and passes the entire block uncorrected i e the error rate goes from 0 to no...

Страница 86: ...the Reed Solomon codeword length i e k data symbols n k parity symbols where n k 2 symbol errors per codeword can be corrected RSK This sets the number of data symbols per Reed Solomon codeword range...

Страница 87: ...d length i e k data symbols n k parity symbols where n k 2 symbol errors per codeword can be corrected Edit Tx FEC Outer Advanced RSK Data Length Screen Units symbols Minimum value 40 Maximum value 25...

Страница 88: ...Menu This menu contains the following options Enable This is the master control for all scramblers It can be used to switch scrambling off or on When on the choice of scrambler can be made automatical...

Страница 89: ...d RS mode is Off OM 73 Turbo default if FEC mode is TPC available only if FEC mode is TPC Closed Network Plus ESC IBS SMS default if terrestrial data rate is 32000 and RS mode is Off Intelsat RS defau...

Страница 90: ...e errors degrading performance Turbo Only available in when the TPC FEC is selected OM 73 Intelsat Reed Solomon Only available when the Reed Solomon FEC is selected Factory default V 35 Description Co...

Страница 91: ...llite Inversion This controls whether the I and Q channel outputs are swapped to give Spectrum Inversion Roll off This controls the slope gradient of the carrier at its edges and therefore controls th...

Страница 92: ...elect Ack Pwr Bre following a power outage Rx enabled When enabled then the carrier will be switched off whenever an Rx traffic fault is present in the modem RTS enabled When RTS is enabled then the c...

Страница 93: ...L band output power level Edit Tx Carrier Frequency Screen IF Modem Units MHz Minimum value 50 0000 Maximum value 180 0000 Step size 0 0001 Factory default 70 0000 Description Tx IF frequency used to...

Страница 94: ...0 0001 Factory default 950 0000 Description Tx L band frequency used to transmit to satellite Edit Tx Carrier Inversion Screen Factory default Off Description Controls whether the I and Q channel out...

Страница 95: ...sult Customer Technical Support if in doubt Edit Tx Carrier Advanced AUPC Menu This menu contains the following options Mode This controls the ability to attempt to maintain the remote Eb No at a spec...

Страница 96: ...is also controlling another modem via AUPC If AUPC is switched off in the remote modem then the modem in question will not respond to requests to provide Eb No information See Section 8 3 for a full...

Страница 97: ...set to zero so the carrier returns to its nominal power Freeze at current value The carrier power is frozen at its current value Set to max The AUPC delta power increases to the maximum power limit as...

Страница 98: ...istant Eb No that AUPC tries to maintain by adjusting the Tx power level Edit Tx Carrier Advanced AUPC Power Offset Screen Units dBm Minimum value 0 Maximum value 25 Step size 0 1 Factory default 1 De...

Страница 99: ...ower or EIRP measured in dBm or dBW BUC type Allows the type of BUC to be selected from a list of supported BUCs with the option of either open loop control Independent mode or closed loop control Ter...

Страница 100: ...dBm dBw Minimum value 99 Maximum value 99 Step size 0 1dB Factory default 0 Description This screen allows the modem to display and the user to edit the final SHF power instead of the IF carrier level...

Страница 101: ...to RFT5000 LO frequency 15450 MHz User FSK enabled but user must set LO frequency of BUC C5 85 6 725 GHz CODU Uses RS485 comms to CO unit LO frequency 4900MHz Ku 14 14 5 GHz CODU Uses RS485 comms to...

Страница 102: ...other than None is selected then the user is taken to the following Terminal Mode screen Edit Tx Carrier Advanced BUC Terminal Mode Screen This allows the user to select either open loop control Inde...

Страница 103: ...ption to manually set the frequency shift is not presented Edit Tx Carrier Advanced BUC Power Screen Units W Minimum value 0 Maximum value 999 Step size 1W Factory default 0 000 Description This scree...

Страница 104: ...odem up the coaxial site cable to the BUC Edit Tx Carrier Advanced BUC Output Screen This switches the BUC Tx carrier on and off independently of the modem s Tx carrier on off control This may be usef...

Страница 105: ...controls whether BUC services i e DC supply and 10MHz reference stay with the on line modem or switch to the standby modem when a 1 for 1 switchover occurs in a 1 for 1 redundant pair of modems Note t...

Страница 106: ...Ater The specified port on the Quad E1 card is being used between a TRAU Transcoding and Rate Adaption Unit and BTS Base Transceiver Station Other The specified port on the Quad E1 card is not being u...

Страница 107: ...size 1 Factory default 0 Description Controls which terrestrial timeslots are dropped i e multiplexed into the satellite frame Timeslots cannot be reordered when being used with the Quad E1 card Times...

Страница 108: ...Rx data is inserted over it Replace with Idle code The Tx data is replaced with Idle code Factory default Leave on bearer Description Controls whether dropped timeslots are replaced with Idle code in...

Страница 109: ...64kbps Slot There are four 2 bit wide slots per channel 16kbps per slot Off This setting indicates that the particular port on the Sat Abis card is not being used Factory default Off Description Each...

Страница 110: ...f the traffic can use channels or slots but not both and similarly the signal portion of the traffic can use channels or slots but not both Edit Tx Interface Slots Channels Screen Sat ABIS interface c...

Страница 111: ...tion between voice and signaling should not overlap Numbers can be entered as individual numbers separated by commas or as an inclusive range denoted by the first and last numbers in the range with a...

Страница 112: ...Quantum and Evolution Series Installation and Operating Handbook 7 83 7 3 3 2 Edit Rx Menu Front Panel Edit Rx Menus...

Страница 113: ...This leads to a submenu that allows the frequency and spectrum inversion to be controlled Rx Tx This option allows the receive path to be automatically configured to be the same as the transmit path t...

Страница 114: ...ng format for Drop MUX operation Bearer This controls the origination of a terrestrial bearer from the Insert MUX G732 sig This option controls whether CAS information is processed and routed through...

Страница 115: ...creen Options Signalling bits abcd normal Signalling bits abcd AIS Signalling bit b 1 acd normal Signalling bits ab 1 cd normal Factory default Signalling bits abcd normal Description Determines actio...

Страница 116: ...from the satellite are inserted into the terrestrial bearer Edit Rx Baseband Advanced Timeslots Number Used Screen See the description of the transmit path equivalent Edit Rx Baseband Advanced Timeslo...

Страница 117: ...r Edit Rx Baseband Advanced Overhead Menu See the description of the transmit path equivalent Edit Rx Clocks Menu This menu contains the following options Source This selects the receive path clock so...

Страница 118: ...r shift whilst providing the required interval between buffer slips Internal The internal reference clock is used to clock data to the terrestrial port This requires the receive buffer to be set as pe...

Страница 119: ...ption Allows a high stability reference signal to be transferred across satellite 7 3 3 2 4 Edit Rx Clocks Buffer Screen Units ms Minimum value 0 Maximum value 99 Step size 1 Factory default 8 Descrip...

Страница 120: ...al multiframes when necessary to maintain multi frame sync when the buffer slips Manual centre This allows the Rx buffer to be recentred manually Edit Rx Clocks Advanced Auto Centre Screen Factory def...

Страница 121: ...ve path modulation scheme Sweep This controls the Rx signal sweep configuration Sweep width This controls the Rx signal sweep width Advanced This controls symbol mapping in relation to how data is map...

Страница 122: ...at very low data rates by setting a sweep width that is smaller than the default Factory default Normal Description Controls the Rx signal sweep configuration Edit Rx Demodulation Sweep Width Screen U...

Страница 123: ...es to try to track the signal This is useful where there may be a temporary obstruction to the satellite signal such as from a helicopter as it potentially allows the demodulator to regain the carrier...

Страница 124: ...th equivalent See the Edit Tx FEC Outer Advanced description for a table of Reed Solomon N K and Interleaver Depth values used in normal operation Edit Rx FEC Outer Advanced RSN Codeword Length Screen...

Страница 125: ...hether the I and Q channel outputs are swapped Roll off This controls the expected slope gradient of the received carrier at its edges this affects the occupied bandwidth Advanced This controls the Pa...

Страница 126: ...cies instead of the normal L band frequencies PSU This allows the DC supply to the LNB from the modem to be turned on or off Reference This controls whether a 10MHz reference signal is supplied to the...

Страница 127: ...LO IF frequency not LO IF as with most other bands This is academic as it is handled automatically by the modem which displays the correct SHF frequency Edit Rx Carrier Advanced LNB Frequency Offset S...

Страница 128: ...f a DC supply or the wrong voltage DC supply is fed to a LNB not configured to be Line powered Edit Rx Carrier Advanced LNB 10MHz Reference Screen When switched on the modem s internal 10MHz reference...

Страница 129: ...able Screen This is used to switch Paired Carrier off and on Access to this menu option requires the Paired Carrier feature to have been previously enabled through the modem SAF mechanism For first ti...

Страница 130: ...rier 4 Advanced 2 PCMA 1 Enable and set to OFF 2 Before starting it is strongly recommended to prepare for a BER data transparency test using data test sets connected to each modem or using the modem...

Страница 131: ...e not data transparent then Ensure there is no spectral inversion in the RF chain If there is then this must be corrected by re inverting it for Paired Carrier operation to work Check the modem satell...

Страница 132: ...his in the Paired Carrier control process The modem automatically selects two commonly used GPS protocols namely GGA GPS Fix Data and GLL Geographic position Latitude Longtitude and will support which...

Страница 133: ...displayed in sequence Units Degs Minimum value 180 00 Maximum value 180 00 Step size 0 01 Factory default 000 00 Description The longitudinal position of the modem earth station The modem front panel...

Страница 134: ...et to Delay then the following screens are displayed in sequence Units ms Minimum value 000 00 Maximum value 300 00 Step size 0 01 Factory default 000 00 Description The minimum satellite round trip d...

Страница 135: ...y spectral inversion clocking and timeslots as well as parameters that have no Tx equivalent such as buffer size and sweep control This feature can be used to simplify the configuration for duplex lin...

Страница 136: ...UX It allows a choice of auto originating the bearer if the bearer fails or originating the bearer at all times Edit Rx Interface Port 3 Port 4 Screen Units bps Minimum value 0 Maximum value 2048000 S...

Страница 137: ...Quantum and Evolution Series Installation and Operating Handbook 7 108 7 3 3 3 Edit Unit Menu Front Panel Edit Unit Menus...

Страница 138: ...ust a subset of the most common modem controls whereas advanced mode allows the user to access all options This is not intended to be a security measure it merely removes options from view when not ne...

Страница 139: ...ack panel shared Async ESC port is disabled and the IDR card provides separate ESC and Aux ports Aux This selects the Aux port electrical interface This interface on the modem provides the IBS SMS low...

Страница 140: ...default gateway for the IP Traffic card HSSI Available at all data rates Quad E1 Once selected the Tx and Rx paths of the Quad E1 card can be set up using the Edit Tx Interface screen Section 7 3 3 1...

Страница 141: ...ices are located on Routing mode IP packets are forwarded based on the contents of the modem s routing table The routing table can be populated by manually entering routes and or by turning on one or...

Страница 142: ...rk as a point to multipoint remote site All modems connected to a point to multipoint bridge network that are situated at remote sites i e not on the hub should be configured to this mode Header Compr...

Страница 143: ...eration mode Header Compression Only applicable if an IP traffic Interface card is fitted This mode provides bridging of non TCP packets acceleration of TCP packets and header compression Remote TCP A...

Страница 144: ...TCP acceleration TCP acceleration is turned off Factory default No TCP acceleration mode Description This option is available in routing mode Edit Unit Interface Terrestrial IP Bridge Filtering Scree...

Страница 145: ...idge M C Screen Options Off In this mode the Remote M C Ethernet interface will not be included in the Ethernet bridge thereby keeping IP traffic and M C traffic separate When separate the two Etherne...

Страница 146: ...an be further tuned if required as specified in the TCP IP white paper at http www paradisedata com whitepapers php Disable OSPF The OSPF dynamic routing protocol is turned off Note this will overwrit...

Страница 147: ...ned off Note this will overwrite any existing configuration including any modified as specified above see the TCP IP white paper at http www paradisedata com whitepapers php for more details Factory d...

Страница 148: ...S priority level 7 are sent to high priority TCP IP queue Delay sensitive packets QoS levels 6 and 5 are sent to the medium priority queue The remainder QoS levels 4 to 0 are sent to the low priority...

Страница 149: ...way for the base modem IP traffic port or the IP Traffic card if this is fitted The gateway represents the next hop destination which is normally the address of a router for packets destined for somew...

Страница 150: ...Quantum and Evolution Series Installation and Operating Handbook 7 121...

Страница 151: ...Interface Terrestrial Satellite Port IP Netmask Factory default 255 255 255 255 Description Sets the IP traffic subnet mask for the satellite interface when the modem is in routing mode Edit Unit Inte...

Страница 152: ...In this mode each remote modem can be assigned a VLAN id which is used by the Hub to tag each packet destined for any device attached to a network off that particular remote modem The tags are added...

Страница 153: ...ion to the data entering the modems from the terrestrial network VLAN ids of remote modems are automatically learnt by the Hub and all traffic destined for a particular remote modem is tagged at the H...

Страница 154: ...display a typical web page It is necessary to switch the Web Proxy on only at the modem at the web browser side of the satellite link Factory default Off Description Enables acceleration of HTTP requ...

Страница 155: ...scription Sets the protocol to be used when encapsulating IP packets and Ethernet frames into MPEG2 transport packets for transmission over satellite when using DVB S2 DVB S2 satellite frames do not d...

Страница 156: ...kets being transmitted over satellite This mode can be used to receive and output the IP stream as a serial stream to a Cisco serial router Edit Unit Interface IP Encapsulation PID Screen Units None M...

Страница 157: ...es terrestrial data rate to be 6 312Mbps E2 Requires terrestrial data rate to be 8 448Mbps T3 Requires terrestrial data rate to be 44 736Mbps E3 Requires terrestrial data rate to be 34 368Mbps Factory...

Страница 158: ...G 703 as with AMI a mark logic one is sent as a pulse on the line and a space logic zero is set as the absence of a pulse on the line If there are too many contiguous spaces the G 703 receiver fails t...

Страница 159: ...mpensated to cope with differing lengths of standard ABAM cable If in doubt select option 1 less than 133 feet by default no compensation Screen only available when T1 or T2 is selected Edit Unit Inte...

Страница 160: ...hanging off the remote modem The IP mode allows IP packets to be sent over the satellite ESC channel The ESC channel forms part of an Ethernet bridge and it therefore learns which IP packets should be...

Страница 161: ...al ESC Tx ESC Rx M CRx M CTx Link Remote With both of these options the physical ESC port is disabled due to being internally linked to the M C port The mode must be set according to whether the modem...

Страница 162: ...on of IP wrappered RS485 messages through the ESC channel which are then transmitted as serial messages on the remote RS485 bus Edit Unit Interface Aux Interface Screen Options RS232 RS422 RS485 IP Fa...

Страница 163: ...address Gateway This allows a default IP gateway to be specified This acts as the next hop when forwarding IP data not destined for the modem or local subnet IP addr This option sets the IP address fo...

Страница 164: ...paradise Description Modem password for remote admin user login login name is admin The admin user can both view and control the modem Only one admin user can be logged in at a time Edit Unit M C View...

Страница 165: ...een Options RS232 RS485 IP Local Only available when IP over ESC has been selected This pushes the serial M C data across to the distant end Modem via the IP ESC for use at the remote serial ports Thi...

Страница 166: ...available when IP over ESC has been selected This takes advantage of the local IP address and forwards M C information directly to the remote Modem Uses TCP port 6703 This link is a serial extension...

Страница 167: ...Quantum and Evolution Series Installation and Operating Handbook 7 138 Description Specifies the remote control serial interface mode...

Страница 168: ...Remote Rem M C is selected Please refer to chapter 11 for full connector pinouts Pin Signal name Direction Name RS485 Paradise IP Remote Paradise IP Remote Rem M C 1 Shield Gnd Shield Gnd Shield Gnd...

Страница 169: ...0 baud 300 baud 600 baud 1200 baud 2400 baud 4800 baud 9600 baud 19200 baud 38400 baud 57600 baud 76800 baud 115200 baud Factory default 9600 baud Description Specifies the remote control serial inter...

Страница 170: ...for the remote control interface The same IP address is used by the modem for traffic purposes when configured for IP traffic Note that entering an IP address of 0 0 0 0 causes the modem to dynamical...

Страница 171: ...Sets the remote control port IP subnet mask The same IP subnet mask is used by the modem for traffic purposes when configured for IP traffic Edit Unit Clocks Screen Options None BNC RS422 Factory def...

Страница 172: ...ptions under Edit Tx Clocks and Edit Rx Clocks these options become available when a station clock source is selected and are independent of whether station clock replaces the internal 10MHz clock Edi...

Страница 173: ...fying the menu structure when the more advanced modem features are not required Edit Unit Time Screen This option allows the current time and date of the modem to be set in the format HH MM SS DD MM Y...

Страница 174: ...BER threshold alarm option of the Edit Unit Advanced Alarms Actions menu Edit Unit Advanced Alarms Thresholds Rx Eb No Deferred Alarm Threshold Screen Units dB Minimum value 0 0 Maximum value 99 0 St...

Страница 175: ...it Advanced Alarms Thresholds BUC PSU Alarm Screen Units A Minimum value 0 1 Maximum value 6 Step size 0 01A Factory default 0 1 Description On L band modems sets the trip threshold at which a fault i...

Страница 176: ...IS interface card Edit Unit Advanced Alarms Actions Screens A number of screens are available that control the following Tx Rx AIS These control the action taken with respect to Alarm Indication Signa...

Страница 177: ...ing an outer FEC this will remain set to ON Edit Unit Advanced Special Modes Q323 Compatibility Screens The Q323 interface card was a modified version of the standard Q302 G703 card which could be fit...

Страница 178: ...1 within the Q323 definition Options Off TS0 transparent On TS0 Bit 0 overwritten with CRC4 Factory default Off Description Controls whether TS0 is transparent or whether TSO is overwritten with CRC4...

Страница 179: ...s ON then bits 1 2 5 and 6 are inverted Factory default Off Description Controls whether all bits are inverted or bits 1 2 5 and 6 are inverted Note this is the same as SW3 4 within the Q323 definitio...

Страница 180: ...1 1 1 1 TS1 15 17 31 Invert CRC4 As above with CRC4 multi frame in TS0 bit 1 1 switch on 0 switch off When transparent TS16 options are selected and the P300 Quantum Evolution are in drop and insert...

Страница 181: ...ical the demodulator will go in and out of lock several times during a sun outage This option allows the terrestrial output to be muted below an associated user defined Eb No threshold see next screen...

Страница 182: ...condition that forces a switchover to occur Switch to maintenance Allows the modem to be removed from the redundancy group therefore preventing the unit being switched on line Switch to service Allows...

Страница 183: ...y losing the remaining balance of demonstration time left and returning the modem to a state whereby it is using only permanent SAF features that have been set Edit Unit Advanced SAF Code Screen Facto...

Страница 184: ...h Note the modems position within the redundancy switch system dictates the 1 N address Please see separate redundancy switch operating manual Edit Unit Advanced Adj Ref Screen Only applicable on L ba...

Страница 185: ...e memories are non volatile and will persist between successive power ups of the modem Configuration memories can be assigned any desired name using the alphanumeric keypad Recall This allows a previo...

Страница 186: ...oints in the transmit and receive processing chain power supply levels modem internal temperature and modem loopback status Alarms This provides access to transmit receive and unit current alarm infor...

Страница 187: ...sults using the modem s internal Pseudo Random Bit Sequence PRBS Bit Error Rate BER Tester RF This provides two types of signal a CW pure carrier signal and an alternate 1 0 signal that can be used to...

Страница 188: ...ually the remote modem The other modems are more specialized and cause a loopback at various points within the Tx Rx processing chains In general it is not a good idea to loopback IP data to itself Th...

Страница 189: ...o monitor the BER of the Rx satellite path even while the main data channel of the link is carrying normal traffic It allows a test pattern to be sent and received in the main channel or in parallel w...

Страница 190: ...the BER test pattern to be injected in either the main traffic channel of the modem or in an overhead channel Pattern This allows a choice of bit patterns to be selected for injection into the traffi...

Страница 191: ...nnel is used which can also be used in an asynchronous mode Aux channel This selects the Aux channel as the path into which the PRBS test pattern is injected This is valid in IBS SMS and IDR modes The...

Страница 192: ...BER Tx Results Screen The BERT shows the instantaneous test pattern synchronisation status When the Rx path is synchronised to the incoming Tx test pattern then this will display Sync OK and when syn...

Страница 193: ...ffect The Restart test option is used to restart the BER test including clearing all of the error counts Note that pressing 2 on the key pad while on the results screen has the same effect Pressing th...

Страница 194: ...Off Description Selecting the wide spectral graph prevents the Demod from locking and is therefore implemented as a test mode At four times the symbol rate it allows viewing of a wider frequency rang...

Страница 195: ...Operating Handbook 7 166 Selecting IDR Rx tone on enables a 1KHz 0dBm level tone to be generated towards the terrestrial equipment in both audio channels Note that these are toggle on off functions a...

Страница 196: ...panel LCD display Consequently this section explains only those features of the web interface that are different 7 4 1 Logging In and Out The philosophy behind user levels login and control of the mo...

Страница 197: ...nd Operating Handbook 7 168 Web User Interface Login Screen On successfully logging in the user will be presented with the following screen Web Server Welcome Screen The view only access message may b...

Страница 198: ...ummary section on the left of the display is always present and provides basic modem information The Help area is used to provide help on context sensitive features it is triggered by moving the curso...

Страница 199: ...spectrum and as an oscilloscope to view the I and Q channel Rx signal constellation Other graphs provide time based logging for up to one month of key modem parameters such as Rx Power Level Eb No et...

Страница 200: ...is can be used for checking for adjacent interfering carriers In wide mode the demodulator is reprogrammed with different values to normal operation and consequently the wide mode of operation is only...

Страница 201: ...stellation Graph An example signal constellation graph is shown below This can be used to check for correct modem operation including issues such as distortion and phase noise A persistence mode is al...

Страница 202: ...an be retrieved from the modem perhaps for use in quality reports using one of the remote interfaces see the Remote M C Specification for Quantum and Evolution Series Satellite Modems for more details...

Страница 203: ...ffic information IP packets dropped packets and errors can also be displayed for both Tx and Rx These graphs are sub divided into IP traffic M C and satellite categories If an IP traffic card is fitte...

Страница 204: ...ecall of these later However the web interface also allows these memories to be uploaded and downloaded to and from a PC This in turn allows configurations to be shared by different modems This offers...

Страница 205: ...Quantum and Evolution Series Installation and Operating Handbook 7 176 Configuration Memory Download Screen Configuration Memory Upload Screen...

Страница 206: ...4 packets sent from the high priority queue 2 are sent from the medium priority queue and 1 from the low priority queue The modem supports IEEE 802 1q VLAN tagging If Ethernet frames with VLAN tags a...

Страница 207: ...mes the satellite delay to be displayed The Paradise web proxy examines webpage frames as they pass through the modem and pre fetches all of the content before it is requested It is therefore typicall...

Страница 208: ...lution Series Installation and Operating Handbook 7 179 Transmit Timeslot Selection Screen 7 4 6 System Log The system log can be viewed using the View Log menu tab An example log is shown overleaf Sy...

Страница 209: ...be viewed using the View Alarms menu tab An example screen is shown overleaf System Alarms Screen 7 4 8 On line Installation and Operation Handbook This handbook is available on line via the Help but...

Страница 210: ...he features available can be seen from the View SAF menu screen This screen also allows a test shot to be started or stopped If a 10 day test shot is active the word Demo is added to the SAF label of...

Страница 211: ...dem are documented in the Remote M C Specification for Quantum and Evolution Series Satellite Modems The SNMP configuration screen found under the Edit Unit M C Advanced menu tab is shown overleaf The...

Страница 212: ...ocess for both operations being the same From the screen shown overleaf it is necessary only to browse to the location of the upgrade file and open the file The latest software can be found under Down...

Страница 213: ...et Files options A software upgrade cannot be performed whilst the modem is on traffic Once the modem upgrade process starts normal modem functions are suspended The modem configuration prior to upgra...

Страница 214: ...the software zip file that was downloaded The upgrade will begin automatically Leave the modem to upgrade and restart before attempting any further action This will take around 10 minutes Note 1 Prio...

Страница 215: ...re is an enhanced PRBS BER Tester available via the web user interface The enhanced BER Tester additionally Allows PRBS BER data to be generated towards the terrestrial interface allowing the modem to...

Страница 216: ...was started or restarted The Errors field indicates the total number of error bits detected since the test started The Average BER field indicates the number of bit errors in relation to the number o...

Страница 217: ...teable events that have occurred Current system alarms i e all Unit Tx and Rx faults and warnings All configuration memories Instantaneous spectrum data Instantaneous constellation data Instantaneous...

Страница 218: ...ient s account and open it To import the constellation data into a spreadsheet program Microsoft Excel is used in this example do the following Double click on the email attachment constellation csv a...

Страница 219: ...email feature to request technical support On the web user interface select the View tab followed by Support The support configuration screen is shown over the page Complete the contact details and ty...

Страница 220: ...com Customer Technical Support Enquiry Screen 7 4 14 IP Static Routes If you wish to work with more than one subnet the web user interface allows up to 64 static routes to be added The static route co...

Страница 221: ...1 and 3 bytes Ethernet header compression is also supported in addition and this reduces 14 bytes of Ethernet frame down to typically 1 byte Overall savings from compression from both types of compre...

Страница 222: ...outes The following will be compressed when the feature is enabled The Ethernet header will be compressed on every frame IP and UDP headers will be compressed when the IP payload contains a UDP packet...

Страница 223: ...this onto to the web browser The selection of Local or Remote mode is made through the toggle switch on the right hand top corner of each web page as shown below Local Remote Modem Web Interface Togg...

Страница 224: ...Configure the modem in a closed loop setup as described above 2 Ensure the modem is in 16 QAM mode for both Tx and Rx 3 Configure the modem Tx output power to the required level in the Edit Tx Rx Comm...

Страница 225: ...f necessary some time later Note that it is necessary to go through this learning process whenever the operating point of the HPA is changed Consequently it may be convenient to generate and save the...

Страница 226: ...Quantum and Evolution Series Installation and Operating Handbook 7 197 Predistorter Screen showing convergence after 90 iterations...

Страница 227: ...e is more than one clock in the system and a buffer is required to absorb the difference between the two clocks Typically data is placed into the buffer with one clock and removed with another thus ca...

Страница 228: ...ooped back through the DTE equipment ModemTx Data Interface FIFO DDS PLL VCXO TCXO TxData TxClock TT Internal TxClock ST Internal Tx Clock Mode 8 1 1 2 Tx Clock In When Tx Clock In is selected the DTE...

Страница 229: ...he DTE that is locked to the receive satellite signal The timing is actually phase locked to the Rx data rate but at the frequency of the Tx data rate This is to allow asymmetric operation The DTE the...

Страница 230: ...that the signal will be subject to Doppler plesiochronous offsets ModemRx Data Interface RxBuffer DDS VCXO RxData RxClock RT PLL RxClk Data from decoder deframer Satellite Rx Clock Mode 8 1 2 2 Tx Clo...

Страница 231: ...r is enabled The clock and data appear on RT Receive Timing and RD Receive Data respectively The station clock input can be configured to provide a clock just for Rx path processing or it can be used...

Страница 232: ...he incoming Rx clock Tx Clock Rx or clock looped by the equipment or cables your end o If not what is the accuracy of your Tx clock The various Tx and Rx clocking modes of the modem are described in t...

Страница 233: ...en both ends need the buffer active to cope with the normal Doppler effect plus the plesiochronous effect i e the difference between the clocks at each end Apply the following rules to both ends 8 1 3...

Страница 234: ...a a G 703 clock extension feature that propagates a high stability reference from the hub to the remote It is necessary for a high stability E1 T1 reference signal from a GPS receiver to bes fed to on...

Страница 235: ...e clock and the selected terrestrial interface is not G703 the user is asked a further question Generate a G703 clock reference from satellite clock Options OFF E1 T1 Factory default OFF Description A...

Страница 236: ...s ESC channel 1 2000th the data rate that is available on the Aux port of the modem This results in asynchronous rates of less than 110 Baud at greater than 256kbps A TS32 multiframe sequence to allow...

Страница 237: ...TS32 Multiframe sequence M If IBS satellite link encryption is in use very very rare then it also conveys the encryption control vectors otherwise these bits are spare X as shown One bit is also forc...

Страница 238: ...the IBS SMS framing via the Drop Insert multiplexer Operating over satellite without TS ID maintenance is comparable to using an external Drop Insert mux interfaced in our 2 x 64kbps example to the m...

Страница 239: ...available data timeslots N 8 24 Finally to support one further rate four frame are used 4 Frames ie 240 available data timeslots N 16 The remaining values of N cannot have Timeslot ID Maintained by g...

Страница 240: ...ub primary order satellite circuits thin routes by selecting the timeslot carrying the CCS for Drop Insert as with other data timeslots Special action is required with CCS as the equipment at both end...

Страница 241: ...signalling data timeslots are available for the high rate ESC Similar to the fitting of the main data into the 60 timeslots available for data per IBS frame the abcd signalling information has to be f...

Страница 242: ...13 CAS 104 CAS 104 CAS 104 CAS 104 14 CAS 56 CAS 56 CAS 56 CAS 56 15 TS 32 CAS 8 CAS 24 CAS 24 16 TS 32 CAS 64 CAS 16 CAS 32 17 CAS 136 CAS 136 CAS 136 CAS 136 18 CAS 24 CAS 24 CAS 72 CAS 72 19 CAS 15...

Страница 243: ...tional carrier that there is trouble with the link in the other direction Additional Features Paradise products Where many IDR carriers exist between sites the Audio ESC on the second and subsequent c...

Страница 244: ...end Eb No can be recorded regularly in the local end traffic log To maintain the distant Eb No a target Eb No level has to be set along with a maximum transmit power level for the local end When the...

Страница 245: ...termine if it is being maintained correctly under differing atmospheric conditions Optionally use the web graphing feature to record the distant Eb No and or the AUPC delta power this may be useful in...

Страница 246: ...as the standby unit The modem software performs internal monitoring of operational status at a rate that prevents unnecessary switching However in the case of catastrophic failures the modem hardware...

Страница 247: ...ne unit back to its self will not work since the standby unit output is muted and it will therefore not detect any carrier 8 5 Software Activated Features While some modem functions are available as p...

Страница 248: ...bearer This technique can be applied to lower rate carriers also For example suppose four destinations require mesh connectivity at 384kbps 6 x 64kbps although asymmetric operation up to any rate is p...

Страница 249: ...ple of 8kHz and these non optimum values make the satellite clock an 8kHz step Where maximum error correction capability is required chose t as high as possible eg 10 and choose n as low as possible e...

Страница 250: ...rating Handbook 8 24 Practical values for Reed Solomon code rate will depend on the amount of overhead the circuit can tolerate For overheads between 1 6 and 30 the table below gives practical values...

Страница 251: ...tion in the processing delay associated with Reed Solomon FEC is the prime goal In such circumstances use the Custom Features feature and select shorter codewords to reduce the encoder decoder interle...

Страница 252: ...hows how the symbol rate is built up from the data rate Relationship Between Data Rate and Symbol Rate You will see that with 1 2 rate FEC and QPSK a common combination the Symbol Rate is the same as...

Страница 253: ...his is unchanged unless Minimum Overhead mode is selected in which case the overhead will vary up or down from the standard 1 15th to accommodate whatever Baud rate is set on the ESC Rate screen In al...

Страница 254: ...19200 Baud n a n a 50 10 5 4 76 2 5 2 38 1 25 1 19 38400 Baud n a n a 100 20 10 5 4 76 2 5 2 38 The formula for deriving the overhead rate is moderately complex and relies on many different parameters...

Страница 255: ...this same Carrier Noise ratio at the input of the demod in terms of the Energy per Symbol Noise power density which is written as Es No Because Carrier Noise is a ratio of two powers measured in the s...

Страница 256: ...ming are ignored as Intelsat chose to define the mandatory modem performance in terms of Eb No specifying that this relates to the Composite Information Bit Rate ie it includes framing Baseband proces...

Страница 257: ...ng framing to a Closed Network link would increase the bandwidth decrease the Carrier Noise decrease the displayed Eb No as it does not compensate for framing and therefore degrade the BER However whe...

Страница 258: ...Quantum and Evolution Series Installation and Operating Handbook 8 32 Eb NoExplanatory Diagram...

Страница 259: ...dB 3 4 Rate 1 25dB 7 8 Rate 0 58dB 2 3 Rate 1 76dB Adjust for RS Codec n k t 126 112 7 0 51dB 219 201 9 0 37dB 225 205 10 0 40dB 5 0 5 2 5 4 5 6 5 8 3 35 3 64 3 92 4 20 4 47 6 0 6 2 6 4 6 6 6 8 4 74 5...

Страница 260: ...0 15 5 16 0 16 5 17 0 17 5 18 0 18 5 19 0 19 5 15 38 15 89 16 40 16 91 17 42 17 93 18 44 18 94 19 45 20 C N N error 0 04dB Example 8SPK with 2 3 Rate TCM FEC RS 219 201 9 C N N 8 4dB C N 7 72dB 8PSK...

Страница 261: ...C purposes an IP address and subnet mask must be set Note that settings an IP address of 0 0 0 0 causes the modem to request an IP address from a DHCP Dynamic Host Control Porotocol server on the netw...

Страница 262: ...en the IP traffic port and M C port must be on different subnets because otherwise the modem does not know which of the two ports to respond out of 8 12 2 1 Gateways The key to understanding the defau...

Страница 263: ...ver satellite when routing mode is used The base modem will only ever use the M C gateway If the M C port is out of the bridge with no IP traffic card fitted then the M C gateway is applied to the IP...

Страница 264: ...to the internet When used for IP the ESC channel runs in bridge mode with the M C port being bridged to the ESC channel Since the ESC channel acts as a bridge some bandwidth may be consumed by broadca...

Страница 265: ...t this does not prevent it being used for other purposes at the same time the AUPC messages are just multiplexed in with the other data 8 12 6 IP Interoperability Over satellite the modem uses HDLC to...

Страница 266: ...he modem passes IP packets transparently as if the modem is not actually there The bridge learns which interface terrestrial or satellite devices are attached to and consequently only forwards packets...

Страница 267: ...as being on the local terrestrial side of the network It does not matter what subnetting is used at the remotes the devices can be on one or many subnets unless o TCP acceleration or header compressio...

Страница 268: ...he PC TCP window size regardless of the actual traffic bandwidth available over satellite Because the satellite delay is taken as evidence of link congestion TCP throttles back the amount of data it s...

Страница 269: ...nt pipe for data so the data that is finally received at the destination on the terrestrial network at the far end of the link is identical to that which has been supplied to the local modem for trans...

Страница 270: ...r priority The priority setting also controls latency and jitter In the situation where the transmit modem has several packets in its input buffer waiting for transmission over satellite then the pack...

Страница 271: ...be classified as part of the data stream if both the address and the port number match A maximum of 16 data streams are supported each of which has its own CIR BIR and priority level settings The fol...

Страница 272: ...igher priority When the BIR of Class 1 is reached the remaining spare bandwidth will be allocated to Class 2 8 12 9 4 2Diffserv DSCP Class It is possible to classify data streams based on the Differen...

Страница 273: ...have this field set to the appropriate value in order for the modem to recognize the different data streams Note that the modem includes support for IEEE 802 1p priority tagging as an alternative QoS...

Страница 274: ...rict priority queuing all packets in high priority queue are processed before any in medium priority queue which in turn are processed before any in the low priority queue For Fair weighting queuing f...

Страница 275: ...TTP Web Acceleration HTTP web acceleration speeds up the display of web pages Web pages are made up of multiple objects Each in line image is a separate object and web browsers typically fetch each in...

Страница 276: ...dynamic routing is on traffic will be automatically routed across satellite correctly by automatic exchange of routing information with other routers The routing information exchange uses satellite b...

Страница 277: ...bytes best case This represents more than a 60 bandwidth reduction There is support for per route configuration control where you can specify up to 32 source or destination IP addresses only packets w...

Страница 278: ...ific VLAN stream Select TCP acceleration as normal at the hub and remote modems Set a VLAN id at the remote modem that represents the data stream to be pulled off At the hub set the VLAN id of the VLA...

Страница 279: ...Es No For example for an available Es No of 6 5dB it is better to use short block 8PSK 3 5 with pilots on spectral efficiency 1 69bits s Hz than to use the most suitable short block modcod with pilot...

Страница 280: ...nd with an SCPC return or an SCPC outbound with a DVB S2 return DVB S2 outbound and return SCPC outbound and return SmartLink mode where SCPC features are combined with DVB S2 space segment savings Al...

Страница 281: ...k as this does not add any extra framing to that provided by DVB S2 DVB S2 is provided as a Tx Rx service option whereas SmartLink is provided as an SCPC FEC option once an SCPC service has been selec...

Страница 282: ...aming overhead DVB S2 with IP is supported directly from the Tx and Rx service menu options Once DVB S2 or SmartLink has been enabled various other configuration menu options become available includin...

Страница 283: ...This is depicted in the diagrams below Frequency Re use by Overlaying Carriers The Paired Carrier processing in the modem to cancel the unwanted signal in the composite received signal to be left wit...

Страница 284: ...ave similar antenna sizes and use similar power levels at each end of the link whereas asymmetric links wil typically use a larger antenna at one end of the link and a smaller antenna at the other end...

Страница 285: ...used if you require to cancel multiple carriers appearing within the cancellation bandwidth Q Can Paired Carrier handle asymmetric carriers that is carriers with different data rates and or different...

Страница 286: ...n process Also of course power is needed for the second carrier Q What prerequisites exist for using Paired Carrier A It requires a full duplex link where you must be able to receive your own uplink s...

Страница 287: ...Motorola The modems with Sat ABIS sit between the BTS and BSC Sat ABIS supports 1 1 redundancy with no external hardware Four Ethernet ports for future growth In relation to compression Sat ABIS Remo...

Страница 288: ...Operating Handbook 8 62 Sat ABIS Web Configuration Screen Diagnostics in the form of the achieved compression ratio percentage of the available satellite bandwidth being used and the dropped TRAU coun...

Страница 289: ...the hub The hub clock is used as a clock generator for HDLC framed data and the remote modem derives its clock from the satellite signal and generates a 2 048 MHz bearer to the BTS The bearer is loope...

Страница 290: ...the key advantages of FastLink is its flexibility As mentioned FECs offer a trade off between BER performance and latency While the default settings for FastLink achieve this balance two other modes a...

Страница 291: ...agement Protocol SNMP messages This interface can be used in several ways Firstly a generic user entry application such as Telnet can be used to automatically send or manually enter PUP commands Secon...

Страница 292: ...09 20 2A 54 03 3 Set the transmit power to a new value 20 The response has a value of s e t T I F T x I F P w r 2 0 02 19 01 09 73 65 74 20 54 49 46 54 78 49 46 50 77 72 20 2D 32 30 2A C6 03 02 08 01...

Страница 293: ...e modem A P3051 Link PCB may be required to connect to other interface cards 1 1 Operation The standard modem interfaces do not require hardware changes for 1 1 redundancy operation However the G 703...

Страница 294: ...strial then the following interface description applies Min Req Signal Description LVDS Name Circuit Number 25 pin Electrical Levels A B DATA CIRCUIT TOWARDS MODEM TX 9 Clock In TT 113 24 11 LVDS 9 Da...

Страница 295: ...Marginal frequently then this is not a modem fault but an indication that you have a clocking problem external to the modem ie changing clock data phase a problem which would otherwise have caused unt...

Страница 296: ...is a clocking problem external to the modem i e changing clock data phase a problem which would otherwise have caused untraceable data errors With the Tx Clocking Set to Tx Clock In the Data In signa...

Страница 297: ...ality twisted pair screened cable but this rate is reduced as the connecting cables extend beyond 10m As an estimate assume the maximum rate halves as the distance doubles ie 5Mbps to 20m 2 5Mbps to 4...

Страница 298: ...l Ground SG 102 7 Ground B 9 Shield Protective ground FG 101 1 Screen A Device DTE Ready In DTR 108 20 RS232 H Device DCE Ready Out DSR 107 6 RS232 E Local Loop In LL 141 18 RS23 2 Remote Loop In RL 1...

Страница 299: ...es The interface type can be selected as Synchronous or Asynchronous Min Req Signal Description RS232 Name Circuit Number 25 pin Electrical Levels A B DATA CIRCUIT TOWARDS MODEM TX 9 Clock In DA 113 2...

Страница 300: ...carrier to be switched on and off by the Sig Valid In line CA by selecting Change Tx Modulator Carrier RTS Controlled For Asynchronous RS232 interface the Tx Rx AIS detectors and the data marginal de...

Страница 301: ...100 110 120 then the following pinout applies Min Req Signal Description 25 pin Electrical Levels A B DATA CIRCUIT TOWARDS MODEM TX 9 Data In 2 14 G 703 DATA CIRCUIT FROM MODEM RX 9 Data Out 3 16 G 7...

Страница 302: ...supplied with the modem If IP is selected under Edit Unit Interface Terrestrial then the following interface description applies The modem supports two RJ45 Ethernet ports for IP and remote control po...

Страница 303: ...source of the single clock from the modem as Satellite Internal or Station Clock Tx Clk In does not exist in X 21 and cannot be used The Tx clock should be set to Rx as the Tx data is clocked by the...

Страница 304: ...ke the single clock from the terrestrial by selecting Tx Clock In The Rx Clocks menu should also be set to return Rx data in time with the single Tx Clock by also selecting Tx Clock In No other combin...

Страница 305: ...to 4800bps The low offset voltage Type 1 generator is not supported but as specified for use with older equipment in 1985 should not be an issue today The Type 3 is for data rates above 10Mbit s this...

Страница 306: ...23 G I F Rx Data A output 11 G I F Tx Data B input 24 G I F Tx Data A input 12 Test Mode must be open circuit 25 Ground 13 Ground P3713 D type connector socket Pin Eurocom D1 Pin Eurocom D1 1 Ground...

Страница 307: ...CTS A 18 Local Loopback 6 DSR A 19 RTS B 7 Ground 20 DTR B 8 Rx Ready A 21 Remote loopback 9 Rx Clock B 22 DSR B 10 Rx Ready B 23 DTR B 11 Tx Clock B 24 Tx Clock 12 ETC B 25 Not used 13 CTS B P3713 D...

Страница 308: ...Rx Clock A output Rx Ready B 11 3 D I F Rx Data B output Tx Clock B 12 2 Ground ETC B 13 1 Screen CTS B 14 25 Ground Tx Data B Tx Data B 15 24 G I F Tx Data A input ETC A 16 23 G I F Rx Data A output...

Страница 309: ...port Min Req Signal Description RJ45 Electrical Levels A B DATA CIRCUIT TOWARDS MODEM TX 9 Data In 1 2 G 703 DATA CIRCUIT FROM MODEM RX 9 Data Out 4 5 G 703 Line code is fixed as HDB3 for all ports T...

Страница 310: ...terrestrial multiplexed data to be aggregated onto a single satellite carrier Port 1 Port 2 Port 3 Port 4 E1 E1 E1 IP data E1 E1 E1 EIA530 data E1 E1 EIA530 data IP data Line code is fixed as HDB3 for...

Страница 311: ...Quantum and Evolution Series Satellite Modems Connector type 9 pin D female Pin Signal name Direction Name RS485 Name RS232 Paradise 1 Shield Gnd Shield Gnd Shield Gnd 2 3 Master B to modem RX B 4 Sl...

Страница 312: ...ows Unit 1 Unit 2 Pin 1 Screen Pin 1 circuit ground Pin 2 Pin 3 On Line signal 2 1 Pin 3 Pin 2 On Line signal 1 2 Pin 6 Pin 7 Fail signal 2 1 Pin 7 Pin 6 Fail signal 1 2 Keep this lead as short as pra...

Страница 313: ...ransmit inhibit 8 Buffered direct AGC voltage This may be used as an antenna pointing signal when the demod is unlocked It responds to composite power in approximately a 2MHz bandwidth around the nomi...

Страница 314: ...utput from satellite 1 1 Ground RS232 Serial port currently unused 12 Serial Input RS232 port 5 Serial Output RS232 port 13 Ground Analog Rx constellation monitor Rx signal quality 14 Rx I channel eye...

Страница 315: ...losed Net Plus ESC mode the ESC channel provides the variable rate async ESC facility the Aux channel is not used In IBS SMS modes the ESC channel provides the High Rate Async ESC facility 2400 Baud a...

Страница 316: ...in 14 U U Tx ESC Data in B n c 32 U Rx ESC Clock out A Rx ESC Clock out 33 U Rx ESC Clock out B n c 15 U U Rx ESC Data out A Rx ESC Data out 16 U U Rx ESC Data out B n c 46 U Tx ESC Octet out A Tx ES...

Страница 317: ...e aux port is not used In IBS modes the Aux port can be set to both Intelsat using TS32 bit 1 and Sync modes selectable to use any of TS16 TS32 bits 1 5 8 TS48 In both modes a clock is provided and th...

Страница 318: ...m set independently from the front panel Audio is encoded as 32kbps ADPCM or 16kbps ADPCM in some custom modes The Audio ports may be used in two applications In IBS modes if set to emulate a P1348 P1...

Страница 319: ...en any backward alarm is received this does fall back to the Fail state when power is removed Backward alarm inputs float to the Good state high 5V and indicate Fail when connected to 0V The Rx summar...

Страница 320: ...the normal single IBS backward alarm status mirrored by the unit deferred alarm For multidestinational IBS carriers it is possible to operate the modem in IBS mode but use 4 separate backward alarms...

Страница 321: ...Actions To Terrestrial TA AIS in selected timeslot if the Insert MUX is active or AIS over all data if not in Insert mode If Insert mode is active and the user control thin route spoofing is on then...

Страница 322: ...ke the modem re seek frame synchronisation when CRC synchronisation is lost check the modem is not set to expect a CRC and is forcing frame re acquisition when CRC is lost but there is no CRC on the P...

Страница 323: ...C with no input attenuator D Tx warning BUC PSU outside limits The current drawn by the BUC has exceeded the permissible upper lower limits CM Tx warning Tx Channel DPLL Unlocked Consult technical sup...

Страница 324: ...the IBS CAS multiframe sync on the receive data although it has found frame sync and TS32 multiframe sync CAS Multiframe sync is used to convey either 1 Channel Associated Signalling CAS in G 732 Dro...

Страница 325: ...nterface range Configuration error data rate for terrestrial interface exceeded Rx warning The distant Eb No has fallen below the user threshold D Rx warning The receive Eb No is worse than the user t...

Страница 326: ...satellite indicating equipment downstream of Tx has failed This indicates which of the four backward alarms are active at the Rx input This indicates that equipment downstream of the transmit path ie...

Страница 327: ...The clock used when the selected Rx clock fails has also failed Contact technical support for advice U TA TC RF Unit fault Communications with the BUC have failed Check connections Unable to communic...

Страница 328: ...the maximum offset allowed Check AUPC settings 12 7 Start up problems Fault Text Notes Relays To Ter To Sat Other Unit fails to boot due to an invalid configuration but passes the initial built in tes...

Страница 329: ...s 2Mbps Extends base operation to 5Mbps Extends 5Mbps to 10Mbps Extends 10Mbps to 20 or 25Mbps Extends 25Mbps to 55Mbps Extensions are cumulative User Traffic Data Rate Resolution 1bps Note The combin...

Страница 330: ...sed to framing per IESS 309 up to 10 Mbps Scrambling IDR Option and Closed Network With RS Coding synchronised to RS overhead Without RS Coding and Non TPC FEC V 35 self synchronising No RS Coding wit...

Страница 331: ...aximum Amplitude Accuracy 0 2dB maximum Carrier Suppression 30dBc minimum Output Phase Noise As IESS 308 nominally 3dB better IF Output Frequency Stability 1ppm yr L band Output Frequency Stability 7...

Страница 332: ...requency Offset 100Hz resolution Wanted signal level strength indicator centred on the middle of the Rx Input range AGC Output Buffered direct AGC output for antenna tracking etc 13 4 Clocking and Buf...

Страница 333: ...ter Modem Closed Network Format Unframed no overhead IBS SMS Option Format Intelsat IBS to IESS 309 and IESS 310 up to 10 Mbps and Eutelsat SMS to EESS501 IDR Option Format Intelsat IDR to IESS 308 an...

Страница 334: ...y on low data rate circuits Up to 10Mbps 13 7 Drop and Insert Option Specifications Parameter Modem Bearer Types T1 D4 T1 ESF and E1 G 732 Timeslot Selection Independent selection of arbitrary timeslo...

Страница 335: ...al working Timeslot ID Maintenance The IBS SMS or Closed Net Plus ESC is extended to maintain the identity of individual timeslots for all values of N from 1 to 31 Signalling Both Channel Associated S...

Страница 336: ...om 0 2 to 5 1 of the terrestrial rate e g up to 2400 baud at 64kbps Includes modes compatible with the P300 and P400 Series P230 P1300 P1361 using 20 32nd of the overhead IBS Aux Data Channel With IBS...

Страница 337: ...k and data lines IDR Provides 32 or 64kbps access in place of one or both audio ESC channels IBS Intelsat low rate ESC mode as previously but now via Aux port on IDR card not shared ESC Aux port of ba...

Страница 338: ...hronous ESC channel on IBS SMS IDR and Closed Network plus ESC carriers ESC from 300 baud i e overheads down to less than 1 User Parameters Target Eb No positive power offset negative power offset 13...

Страница 339: ...5 15 5 BPSK TCP 1 2 4 8 10 BPSK TCP 3 4 7 2 15 BPSK TCP 7 8 8 4 17 5 O QPSK VIT 1 2 9 6 20 O QPSK VIT 3 4 14 4 30 O QPSK VIT 7 8 16 8 35 O QPSK VIT RS 1 2 8 6 17 7 O QPSK VIT RS 3 4 12 8 26 6 O QPSK...

Страница 340: ...d software may be downloaded into FLASH memory via Ethernet port with modem remaining in equipment rack Configuration Memories 20 configurations can be stored and recalled from the front panel or remo...

Страница 341: ...tandard unaccelerated Throughput depends on traffic format formats such as UDP that do not require acknowledgements run at up to the maximum data rate of the modem unaccelerated TCP which requires ack...

Страница 342: ...Quantum and Evolution Series Installation and Operating Handbook 13 14 13 18 Performance Graphs...

Страница 343: ...Quantum and Evolution Series Installation and Operating Handbook 13 15 Modem Error Probability versus Eb No Viterbi Decoding...

Страница 344: ...Quantum and Evolution Series Installation and Operating Handbook 13 16 Modem Error Probability versus Eb No 8PSK TCM with without Reed Solomon...

Страница 345: ...Quantum and Evolution Series Installation and Operating Handbook 13 17 Modem Error Probability versus Eb No 2nd Generation Turbo Codec Note rate 7 8 is de facto...

Страница 346: ...Quantum and Evolution Series Installation and Operating Handbook 13 18 Modem Error Probability versus Eb No for low latency Paradise TPC rate 7 8...

Страница 347: ...ability versus Eb No 8PSK Turbo 1 00E 09 1 00E 08 1 00E 07 1 00E 06 1 00E 05 1 00E 04 1 00E 03 1 00E 02 0 1 2 3 4 5 6 7 8 9 10 EbNo BER Rate 7 8 Spec Limit Rate 3 4 Spec Limit Test Conditions FEC Turb...

Страница 348: ...Quantum and Evolution Series Installation and Operating Handbook 13 20 Modem Error Probability versus Eb No 16QAM Turbo...

Страница 349: ...00E 06 1 00E 05 1 00E 04 1 00E 03 0 1 2 3 4 5 6 7 8 9 10 11 12 EbNo BER Paradise 16QAM Typ Paradise 16QAM Spec Paradise 8PSK Typ Paradise 8PSK Spec Paradise QPSK Typ Paradise QPSK Spec Comtech 8PSK Ty...

Страница 350: ...Quantum and Evolution Series Installation and Operating Handbook 13 22 Modem Error Probability versus Eb No Sequential Decoding at 64kbps...

Страница 351: ...Quantum and Evolution Series Installation and Operating Handbook 13 23 Modem Error Probability versus Eb No Sequential Decoding at 2048kbps...

Страница 352: ...ion LCD Liquid Crystal Display IBS Intelsat Business Service IESS Intelsat Earth Station Standard IDR Intermediate Data Rate M C Monitor and Control MIB SNMP Management Information Base MSC Mobile Swi...

Страница 353: ...nd BUC using Web User Interface EVO_AN_002 G703 Clock Extension EVO_AN_003 Software Utility Program EVO_AN_004 Software Upgrade Instructions EVO_AN_005 Kernel Recovery Instructions EVO_AN_006 Recovery...

Страница 354: ...r an RMA number 5 Generate the required import paperwork explicitly following the import export procedures stated when the RMA number was given 6 Outside of the UK fax the paperwork to us directly and...

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