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Sigrand SG-16G2, Руководство пользователя

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Sigrand SG-16G2 Скачать руководство пользователя страница 28

The 

e1a (e1b)

 command allows to view the statistics and to configure the 

E1 interface.

Execution of the command without options and arguments shows current 
settings of the interface:

: e1a

E1A: Long-Haul FRAMED CAS Code HDB3 - ONLINE

: e1b

E1B: Long-Haul FRAMED CAS Code AMI - OFFLINE

:

3.4.1 Long/Short Haul modes

The  

short

  option of the  

E1A (E1B)

  command turns off the Е1 interface 

line  amplifier.   The

 

long

  option  conversely turns it  on. Respectively,  the 

short-haul mode range is within 400 meters (1200 feet) for 0.4 mm wire (26 
AWG) cable. The long-haul mode range   is expanded up to 1200 meters 
(3600 feet).

: e1a long

E1A: Long-Haul UNFRAMED Code=HDB3 – ONLINE

: e1b short

E1B: Short-Haul UNFRAMED Code=HDB3 – ONLINE

:

3.4.2 Framing modes and superframe options

The G.704 framed mode is enabled by the 

е1a (e1b)

 command with the 

framed

  option   and   additional   keys  

crc4

  and  

cas

.   These   keys   defines 

enable the appropriate CRC4 and CAS superframes.

: e1a framed crc4 cas

E1A: Long-Haul FRAMED CRC4 CAS Code=HDB3 – ONLINE

:

28

Содержание SG-16G2

Страница 1: ...SIGRAND SHDSL modem Sigrand SG 16G2 User s Guide v 2 4 Novosibirsk 2006 1...

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

Страница 3: ...8 2 Rear panel and connectors 12 2 Modem setup directions 15 2 1 Connecting modem to a line 15 2 1 1 Requirements to a communication line 15 2 2 Choosing modem management method 16 2 3 Master slave m...

Страница 4: ...e a retrain 27 The dsl retrain command 27 3 4 1 interfaces management 27 The help e1 command 27 The e1 command 28 3 4 1 Long Short Haul modes 28 The e1 short and e1 long commands 28 3 4 2 Framing mode...

Страница 5: ...icon contains information making easy setup and maintenance of equipment Important information The text marked by this icon contains important information explaining details of operation of equipment...

Страница 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...

Страница 7: ...er of modulation positions 16 32 are applicable for higher rates the modes with less number of modulation positions 4 8 are applied for lower rates Respectively the more complicated the coding algorit...

Страница 8: ...96 Data rate step kbps 64 Transmission type full duplex Data transfer mode synchronous by packets Packet type HDLC Checksum type CRC32 Connector type RJ 45 Galvanic decoupling transformer breakdown vo...

Страница 9: ...M32 Length km kft 3 8 12400 5 6 18300 R 980 1064 1536 TCPAM16 Length km kft 4 4 14400 6 4 20900 R 1232 1120 1024 TCPAM16 Length km kft 5 0 16400 7 6 24900 R 1400 1330 512 TCPAM8 Length km kft 5 8 1900...

Страница 10: ...A Connector type RJ 45 DB 9F with converter 1 4 Power supply unit Type BPN 12 1V Input voltage 220V 50Hz Output voltage 12V Maximum load current 1A Polarity of the central contact of the connector pos...

Страница 11: ...rand SG 16G2 modem can be connected to any equipment having E1 interface such as telco equipment routers and access servers The modem is manageable by switches placed on the rear panel as well as by c...

Страница 12: ...f Blink Link activation in progress Off No link ERR LINK on Blink A packet with error received Off No error LINK off On Fatal error 1 LINK On Signal from 1 equipment detected Off No signal from 1 equi...

Страница 13: ...line connector DSL Terminal to connect to protective ground PGND Dial to select fixed rate for DSL channel RATE DIP switches to set up modem operation mode SET 1 interface socket A E1 1 interface soc...

Страница 14: ...n on Table 5 Table 5 Switch Purpose Position Meaning SET1 Operation mode ON Master modem STU C OFF Slave modem STU R SET2 Not used SET3 RS 232C console port data rate ON 57600 bps OFF 9600 bps SET4 Mo...

Страница 15: ...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...

Страница 16: ...m is described in Chapter 3 To use setup 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 ope...

Страница 17: ...NK LED is not getting light during the mentioned time set a smaller value on the rate dial and do the next attempt to activate the link If you can t get the link activated consider to use console mana...

Страница 18: ...ng rules applied If the DSL rate does not exceed 2048 kbps the RATE dial set to a position from 1 through 9 only the 1 timeslots are transmitted If the rate has a capacity to transmit all 32 timeslots...

Страница 19: ...ply with the requirement 1 Both the E1 A and 1 B modem ports are connected to the same device so the clock for both E1 trunks is provided by the same internal source of the device 2 The 1 A and 1 B po...

Страница 20: ...serial port of 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 co...

Страница 21: ...hange 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 se...

Страница 22: ..._Sync No CAS_Sync No CV 0 FASE 0 Loop Loss 37 5 dB DSL Rate 3072 kbit s Code TCPAM32 MASTER ONLINE LOSW 13 CRC6 14 RETRAIN 3 of 4 Loop Loss 0 0 dB Noise Margin 22 0 dB Total online time 0 days 00 21 2...

Страница 23: ...lization complete The update command is used to update the modem firmware Detailed procedure of firmware reprogramming is discussed in chapter 4 of this Guide Not recognized commands causes appearance...

Страница 24: ...ve for proper operation This is performed by the dsl command with the master or slave options dsl master DSL Rate 2048 kbit s Code TCPAM16 MASTER OFFLINE dsl slave DSL Rate 2048 kbit s Code TCPAM16 SL...

Страница 25: ...ovides a way to select a line coding mode of 4 available 32 16 8 and 4 It allows to select a proper mode in according to ratings of the line dsl code tcpam8 DSL Rate 512 kbit s Code TCPAM8 MASTER OFFL...

Страница 26: ...L link is activated OFFLINE the DSL link is not activated TX the number of transmitted packets RX the number of received packets ERR the number of received packets with errors LOSW the number of frame...

Страница 27: ...the dsl command with the retrain option dsl retrain DSL Rate 512 kbit s Code TCPAM8 SLAVE OFFLINE 3 4 E1 interfaces management The Sigrand SG 16G2 modem features two E1 G 703 G 704 2048 kbps ports The...

Страница 28: ...g option conversely turns it on Respectively the short haul mode range is within 400 meters 1200 feet for 0 4 mm wire 26 AWG cable The long haul mode range is expanded up to 1200 meters 3600 feet e1a...

Страница 29: ...ommand with the framed option and the crc4 and cas keys e1a E1A Long Haul FRAMED CRC4 CAS Code HDB3 ONLINE e1b cas E1B Long Haul FRAMED CRC4 Code HDB3 ONLINE e1 crc4 E1A Long Haul FRAMED Code HDB3 ONL...

Страница 30: ...statistics Use the 1a e1b command with the stat option to view the statistics e1a stat E1A Long Haul FRAMED CAS Code HDB3 ONLINE FAS_Sync No CAS_Sync No CV 0 FASE 0 Loop Loss 37 5 dB FAS_Sync framing...

Страница 31: ...interface An actual amount of the timeslots depends on a feasible DSL rate The rate must be at least N 64 kbps to be able to transmit N timeslots For example any DSL rate must be at least 512 kbps to...

Страница 32: ...add 3 4 6 or by a range e1a map add 8 11 To enable all timeslots simultaneously use the following command e1a map add all e1a map add 3 4 6 E1A Long Haul FRAMED Code HDB3 ONLINE 0 1 2 3 01234567890123...

Страница 33: ...el 1 2 3 E1B Long Haul FRAMED Code HDB3 ONLINE 0 1 2 3 01234567890123456789012345678901 Used timeslots 29 Payload 1856 kbit s e1b map del 7 14 E1B Long Haul FRAMED Code HDB3 ONLINE 0 1 2 3 01234567890...

Страница 34: ...framing synchronization and carries no payload data but its transmission demands another 64 kbps of the DSL rate If the timeslot 0 is used to transmit payload data in additional service bit positions...

Страница 35: ...telco devices e1a map add 0 E1A Long Haul FRAMED Code HDB3 ONLINE 0 1 2 3 01234567890123456789012345678901 Used timeslots 6 Payload 384 kbit s In the example above the timeslots 3 through 7 are used...

Страница 36: ...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...

Страница 37: ...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...

Страница 38: ...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...

Страница 39: ...al number _________________________________________ MFG date ____ ____ 200__ day month year Quality checker_______________ _____________ Stamp Seller Address Phone Sale date Stamp Signature Purchaser...

Страница 40: ...r diameter 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...

Страница 41: ...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 41...

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