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SIGRAND

Integrated access device

SHDSL modem

Sigrand SG-16BG

User's Guide

v. 2.5

Novosibirsk

2006

Summary of Contents for SG-16BG

Page 1: ...SIGRAND Integrated access device SHDSL modem Sigrand SG 16BG User s Guide v 2 5 Novosibirsk 2006 1...

Page 2: ...2005 2006 Sigrand LLC All trademarks and registered trademarks mentioned hereinafter are the property of their respective owners 2...

Page 3: ...controls indicators and connectors 13 1 10 1 Front panel and indicators 13 1 10 2 Rear panel and connectors 14 2 Modem setup directions 17 2 1 Connecting modem to a line 17 2 1 1 Requirements to a com...

Page 4: ...e dsl code command 29 3 3 4 Link statistics 29 The dsl stat command 29 The dsl stat reset command 30 3 3 5 How to force a retrain 30 The dsl retrain command 30 3 4 Ethernet interfaces management 31 Th...

Page 5: ...ovided here icons as well as relevant fonts Icons Icon Meaning Explanation Pay attention The text marked by this icon contains information making easy setup and maintenance of equipment Important info...

Page 6: ...in the File menu Italic notes the fragments of this Guide containing important information together with the relevant icons It also marks software buttons of menu in the text dsl stat Bold font is us...

Page 7: ...modem conforms to ITU T G 991 2 bis standard and uses Trellis Coded Pulse Amplitude Modulation line coding Features of the line coding The line coding used by G 991 2 G SHDSL compatible modems has a...

Page 8: ...64 to 4608 kbps The modem features the following interfaces one SHDSL interface conforms to ITU T G 991 2 bis standard providing the data rate range from 192 to 5696 kbps and the optional extended ran...

Page 9: ...Table 2 The Bit Error Rate BER at the maximum reach is equal to or less than 10 7 The specified reach is proved by testing at the Sigrand lab reference line Full version of the rate table is available...

Page 10: ...4 24200 11 4 37400 R 2072 1995 1 1 2 File transfer performance Performance of the SG 16BG modem during file transferring by FTP protocol is shown on Table 3 The table contains average readings obtain...

Page 11: ...bytes 1536 Packet buffer size KBytes 512 340 packets 1 4 E1 interface specifications Type of interface RJ 45 Balanced Number of wires per line 4 Line coding HDB3 AMI Data rate kbps 2048 Maximum reach...

Page 12: ...86 depth mm in 165 6 5 Weight g lb 450 1 Weight with PSU g lb 1025 2 26 Power consumption W 6 1 8 Shipment contents Sigrand SG 16BG modem 1 pc Power supply unit 1 pc Guide 1 pc Cable with converter R...

Page 13: ...on the rear panel as well as by console management port ch 4 1 To manage the modem as well as to monitor its status you should have an ANSI compatible terminal emulation software installed on your co...

Page 14: ...cted Blink Traffic exchange 100M LINK on On 100Base TX link detected Off 10Base TX link detected FD C LINK on On Full duplex Off Half duplex Blink Collision detected 1 LINK On Signal from 1 equipment...

Page 15: ...rminal to connect to protective ground PGND Dial to select fixed rate for DSL channel RATE DIP switches to set up modem operation mode SET Ethernet 10 100Base T socket 1 ETH1 Ethernet 10 100Base T soc...

Page 16: ...rpose Position Meaning SET1 Operation mode ON Master modem STU C OFF Slave modem STU R SET2 Local or Preactivation rate select ON Rate is exchanged by Preactivation OFF Rate is set locally on each mod...

Page 17: ...ply with the following requirements for proper operation and performance It must have neither leakage to ground nor to other wires both connected and loosed It should not have taps branches Both wires...

Page 18: ...by switches set the SET4 switch to OFF state For quick reference use the sticker at the bottom side of the modem enclosure 2 3 Master slave mode Two modems operating peer to peer must be configured b...

Page 19: ...unavailable apply the following technique to select the proper data rate Measure resistance of the line To do this make short circuit on either line side and attach an ohmmeter to another one Then de...

Page 20: ...rcuit 1 Receive Rx Tip 2 Receive Rx Ring 4 Transmit Tx Tip 5 Transmit Tx Ring 2 5 2 Configuring 1 interface In the DIP switches setup mode SET4 is OFF the E1 port always has the following fixed settin...

Page 21: ...lot are transmitted and the rest of the bandwidth is used by the Ethernet interface When possible unframed mode is used RATE is E F or 0 Bandwidth sharing between interfaces by the RATE dial Table 8 R...

Page 22: ...f your computer by the supplied cable Configure the terminal emulation software installed on your computer for example HyperTerminal as follows Data bits 8 Parity None Stop bits 1 Flow control None Ba...

Page 23: ...change ETHx settings x 1 2 see HELP ETH DSL view or change DSL settings see HELP DSL PORT view or change PORT settings see HELP PORT E1 view or change E1 settings see HELP E1 FXSx view or change FXS s...

Page 24: ...istics of the modem interfaces stat ETH1 Rate 100 Mbit s Duplex FULL Auto Neg FlowCont OFFLINE TX 0 RX 0 ERR 0 COL 0 ETH2 Rate 100 Mbit s Duplex FULL Auto Neg FlowCont OFFLINE TX 0 RX 0 ERR 0 COL 0 E1...

Page 25: ...s used to update the modem firmware Detailed procedure of firmware reprogramming is discussed in chapter 4 of this Guide Not recognized commands causes appearance of the message Unknown command illega...

Page 26: ...ACT Rate 192 Code TCPAM16 MASTER Annex F OFFLINE 3 3 1 Master slave mode selection Configure one peer modem as master do another one as slave for proper operation This is performed by the dsl command...

Page 27: ...AM16 MASTER Annex F OFFLINE dsl rate 5696 DSL CFG PREACT Rate 5696 Code TCPAM32 MASTER Annex F OFFLINE To set a new value of the rate enter the command at the master modem only The slave modem obtains...

Page 28: ...ate 6016 Code TCPAM32 MASTER Annex A OFFLINE dsl rate 64 DSL CFG LOCAL Rate 64 Code TCPAM4 MASTER Annex A OFFLINE The line coding mode is also changed accordingly upon the rate change See how rates ma...

Page 29: ...guration mode CFG LOCAL all four variations of the line coding are applicable In the Preactivation mode CFG PREACT only two codings can be used TCPAM16 in the 192 to 3840 kbps range and TCPAM32 in the...

Page 30: ...rgin loop noise margin dB Total online time total time elapsed when link is on Total offline time total time elapsed when link is off Connect duration duration of the last successful session Use the d...

Page 31: ...ETHx ETHx STAT RESET show statistics for ETHx or clear it The eth command allows to view statistics to enter or to change Ethernet interface settings The command requires to specify interface index et...

Page 32: ...Cont ONLINE eth1 auto ETH1 Rate 100 Mbit s Duplex FULL FlowCont ONLINE If Auto Negotiation mode is off use either the eth1 or the eth2 commands respectively with the rate 10 or the rate 100 options to...

Page 33: ...iance with the IEEE 802 3x specifications It improves operation protects packet buffer against overflowing and prevents data loss This technique may also improve total network throughput and help to a...

Page 34: ...slots E1 STAT show E1 statistics and clear it The e1 command allows to view the statistics and to configure the E1 interface Execution of the command without options and arguments shows current settin...

Page 35: ...s enable the appropriate CRC4 and CAS superframes e1 framed crc4 cas E1A Long Haul FRAMED CRC4 CAS Code HDB3 ONLINE The error message follows up any attempt to enable superframing in unframed mode e1...

Page 36: ...CAS Code HDB3 ONLINE e1 framed E1A Long Haul UNFRAMED Code HDB3 ONLINE 3 5 3 Line coding The line coding type is set by the 1 command with the code option and keys ami or hdb3 e1 code ami E1A Long Hau...

Page 37: ...ny current statistics of the interface 3 5 5 Timeslot map The G 704 E1 frame structure consists of 32 8 bit channels so named timeslots which have been assigned numbers from 0 to 31 The timeslot 0 is...

Page 38: ...FRAMED Code HDB3 ONLINE 0 1 2 3 01234567890123456789012345678901 Used timeslots 16 Payload 1024 kbit s To add timeslots use the 1 command with the map option and a key alike add N with N standing for...

Page 39: ...the DSL interface rate the following warning appears while map examination Too many timeslots for this DSL rate To delete timeslots from the transmission list use the map del N option with N standing...

Page 40: ...s is possible in framed mode only In unframed mode the entire E1 trunk is passed through DSL so the required DSL rate is 2048 kbps or greater The error message appears on any attempt to change the tim...

Page 41: ...rved for signaling The timeslot 16 must be included in a list of transmitted timeslots regardless of other timeslots if equipment connected by the modems requires a signaling channel e g telco devices...

Page 42: ...e image file appears here Clearing buffer memory OK Loading image Then select the Send Text File option in the Send menu of the terminal program here we suppose you are using HyperTerminal from standa...

Page 43: ...G16HOST V 2 5 Program new image y n Y Enter acknowledgement Y to complete the write procedure Checking BootLoader OK Self Programming OK Rebooting press N or Esc as a response to any prompt to cancel...

Page 44: ...ate has not been marked Subject to conditions and limitations set forth above and below the Manufacturer will at its option either repair or replace the Modem that prove defective of improper workmans...

Page 45: ...al number _________________________________________ MFG date ____ ____ 200__ day month year Quality checker_______________ _____________ Stamp Seller Address Phone Sale date Stamp Signature Purchaser...

Page 46: ...ter 0 4 mm 26 AWG 20 278 5 51 1 13 225 2 6 81 50 280 5 51 4 24 152 6 9 12 100 283 5 50 11 3 125 7 10 3 250 316 5 46 42 2 113 7 12 2 500 394 5 35 120 110 5 15 6 700 455 5 26 188 109 1 18 2 1000 535 5 1...

Page 47: ...Table I 2 Cable loop resistance to conductor diameter ratio Conductor diameter mm Loop resistance km 0 32 432 0 4 278 0 5 180 0 64 110 47...

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