Sigrand SG-16G Скачать руководство пользователя страница 42 | Manualshive

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Содержание SG-16G

Страница 1: ...SIGRAND SHDSL modem Sigrand SG 16G 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: ... 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 mode 16 2 4 Setting DSL rate 16 2 4 1 Rate selection guidelines 17 2 4 2 Automatic rate selection 17 2 5 E1 interface setup 17 2 5 1 Connecting E1 interface 17 2 5 2 Configuring Е1 interface 18 3 Modem man...

Страница 4: ...w to force a retrain 26 The dsl retrain command 26 3 4 Е1 interface management 26 The help e1 command 26 The e1 command 27 3 4 1 Long Short Haul modes 27 The e1 short and e1 long commands 27 3 4 2 Framing modes and superframe options 27 The e1 framed and e1 framed commands 27 3 4 3 Е1 line coding 28 The e1 code command 28 3 4 4 Е1 interface statistics 29 The e1 stat command 29 3 4 5 Timeslot map 3...

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 or software This allows to save your time and efforts while equipment setup Do not make this Knowing this information allow you to avoid actions that can cause damage to hardware and or personal inju...

Страница 6: ...y 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 used to designate modem management commands while a terminal session Before starting installation of the modem we recommend you to look for a updated version of this User s Guide as well as the firmwar...

Страница 7: ... modes differ in complexity of coding algorithm The modes with larger number of modulation positions ТСРАМ16 ТСРАМ32 are applicable for higher rates the modes with less number of modulation positions ТСРАМ4 ТСРАМ8 are applied for lower rates Respectively the more complicated the coding algorithm the worse the channel noise immunity and vice versa So take special attention to the ТСРАМ line coding ...

Страница 8: ...CPAM Input output impedance Ω 135 Data rate range kbps 64 2048 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 voltage min V 1500 Surge protector triggering voltage differential V 30 Arrester breakdown voltage common mode V 350 1 1 1 Maximum reach perfo...

Страница 9: ...h km ft 5 0 16400 7 6 24900 R Ω 1400 1330 512 TCPAM8 Length km ft 5 8 19000 9 0 29500 R Ω 1624 1575 256 TCPAM8 Length km ft 6 6 21600 10 0 32800 R Ω 1848 1750 128 TCPAM4 Length km ft 7 4 24200 11 4 37400 R Ω 2072 1995 64 TCPAM4 Length km ft 7 4 24200 11 4 37400 R Ω 2072 1995 1 2 E1 interface specifications Type of interface RJ 45 Balanced Number of wires per line 4 Line coding HDB3 AMI Data rate k...

Страница 10: ...V 50Hz Output voltage 12V Maximum load current 1A Polarity of the central contact of the connector positive 1 5 Miscellaneous data Overall modem dimensions height mm in 45 1 77 width mm in 225 8 86 depth mm in 165 6 5 Weight g lb 450 1 Weight with PSU g lb 1050 2 32 Power consumption W 6 1 6 Shipment contents Sigrand SG 16G modem 1 pc Power supply unit 1 pc Guide 1 pc Cable with converter RJ 45 DB...

Страница 11: ...ment routers and access servers The modem is manageable by switches placed 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 computer Configure your terminal program according to ch 1 3 of this Guide 1 8 1 Front panel and indicators The front panel indi...

Страница 12: ... LINK on Blink A packet with error received Off No error LINK off On Fatal error Е1 LINK On Signal from Е1 equipment detected Off No signal from Е1 equipment SYNC On Frame synchronization detected or Unframed mode Off Frame synchronization not detected TEST On Test mode Off Operation mode 1 8 2 Rear panel and connectors Layout of connectors and switches on the rear panel of the Sigrand SG 16G mode...

Страница 13: ...ent RS232 DSL 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 Е1 interface socket E1 Fig 3 The RATE dial and the SET DIP switches fig 3 specify operation mode of the DSL channel The dial sets a DSL channel data rate fig 4 Fig 4 13 ...

Страница 14: ... shown on Table 5 Table 5 Switch Purpose Position Meaning SET1 Operation mode ON master modem STU C OFF slave modem STU R SET2 Rate selection ON Automatic OFF Manual SET3 RS 232C console port data rate ON 57600 bps OFF 9600 bps SET4 Modem management method ON by console port OFF by DIP switches Attention Reboot the modem to activate a new modem operation mode changed by the DIP switches 14 ...

Страница 15: ...ly 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 must belong to the same twisted pair if a multi pair cable is used Parallel connection of a few pairs e g to reduce the line resistance is not permitted Ignoring the aforementioned requirements may ca...

Страница 16: ...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 operating peer to peer must be configured by the SET1 DIP switch fig 3 table 4 such as one modem is set up as a master SET1 is ON and another one as a slave SET1 is OFF We recommend to use as a master the mod...

Страница 17: ...t attempt to activate the link If you can t get the link activated consider to use console management mode Chapter 3 In this mode you can try to succeed by varying the line coding Chart 1 as well 2 4 2 Automatic rate selection Set the SET2 DIP switch to ON position for each modem to enable DSL automatic rate selection Line Probe Automatic rate selection operates in the range conforming to ITU T G ...

Страница 18: ...F the E1 port always has the following fixed settings Long Haul mode HDB3 line coding CRC4 and CAS superframes are disabled The RATE dial defines the DSL interface rate and the number of mapped E1 timeslots as shown in the Table 7 When possible unframed mode is used RATE is 9 2048 kbps Table 7 Rate Timeslots Rate Timeslots 0 Not used 8 1 28 1 1 3 9 Unframed 2 1 4 A Not used 3 1 8 B Not used 4 1 12...

Страница 19: ...upplied 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 Baud rate Bits per second should be set to 9600 or 57600 in accordance with SET3 switch setting Power on or reboot the modem If the terminal has been set up properly the following message appears on the screen Sigrand SG 16B S...

Страница 20: ...LP PORT E1 view or change E1 settings see HELP E1 FXSx view or change FXS settings x 1 2 see HELP FXS FXOx view or change FXO settings x 1 2 see HELP FXO UPDATE update sg16 firmware DEFAULT set factory defaults REBOOT reboot the modem The SG 16 modems are multi functional devices with various types and combinations of system interfaces such as Е1 V 35 FXO FXS Therefore the help command displays co...

Страница 21: ...n completion of this command any statistics data of the Е1 interface is automatically reseted see ch 3 4 4 of this Guide unlike statistics data of the DSL interface That data should be reseted explicitly by the stat command with the reset or dsl stat reset options see ch 3 3 4 The default command resets all modem settings to factory default values default Load factory default and reboot y n Y Defa...

Страница 22: ...sage Unknown keyword 3 3 DSL interface management We advise to invoke the help dsl command in advance to get informed about the DSL interface management features available through the console management mode help dsl DSL show current DSL settings DSL RATE rrrr AUTO CODE cccc MASTER SLAVE set mode for DSLx DSL STAT RESET show statistics for DSL or clear it DSL RETRAIN force DSL to retrain The DSL c...

Страница 23: ...e with 64 kbps step The rate should be set the same for both sides dsl rate 64 DSL Rate 64 kbit s Code TCPAM4 MASTER OFFLINE dsl rate 2048 DSL Rate 2048 kbit s Code TCPAM16 MASTER OFFLINE The line coding mode is also changed accordingly upon the rate change See how rates match line coding on Chart 1 3 3 2 1 Automatic rate selection The automatic rate selection mode Line Probe is turned on by the r...

Страница 24: ...elect a line coding mode of 4 available ТСРАМ32 ТСРАМ16 ТСРАМ8 and ТСРАМ4 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 OFFLINE As follows from Chart 1 many data rates allows to use multiple line coding modes Rule apply a coding mode with less positions ТСРАМ8 ТСРАМ4 on a line exposed to high level of noise apply a codi...

Страница 25: ...SL 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 synchronization loss events CRC6 the number of CRC6 checksum errors RETRAIN the number of successful attempts to establish the link with regard to the total number of attempts Loop Loss loop loss at...

Страница 26: ...by the dsl command with the retrain option dsl retrain DSL Rate 512 kbit s Code TCPAM8 SLAVE OFFLINE 3 4 E1 interface management The Sigrand SG 16G modem features one E1 G 703 G 704 2048 kbps port The following commands allow to manage the port help e1 E1 show current E1 settings E1 SHORT LONG select Short Haul or Long Haul mode E1 CODE AMI HDB3 set E1 line code E1 FRAMED CRC4 CAS set E1 framing o...

Страница 27: ...ns 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 e1 long E1A Long Haul UNFRAMED Code HDB3 ONLINE e1 short E1A Short Haul UNFRAMED Code HDB3 ONLINE 3 4 2 Framing modes and superframe options The G 704 framed mode is enabled by the е1 command with the framed option and addition...

Страница 28: ...keys e1 E1A Long Haul FRAMED CRC4 CAS Code HDB3 ONLINE e1 cas E1A Long Haul FRAMED CRC4 Code HDB3 ONLINE e1 crc4 E1A Long Haul FRAMED Code HDB3 ONLINE e1 framed E1A Long Haul UNFRAMED Code HDB3 ONLINE Disabling framing synchronization also disables the CRC4 and CAS superframes e1 E1A Long Haul FRAMED CRC4 CAS Code HDB3 ONLINE e1 framed E1A Long Haul UNFRAMED Code HDB3 ONLINE 3 4 3 Line coding The ...

Страница 29: ...RAMED CAS Code HDB3 ONLINE FAS_Sync No CAS_Sync No CV 0 FASE 0 Loop Loss 37 5 dB FAS_Sync framing synchronization status CAS_Sync CAS superframe synchronization status CRC4_Sync CRC4 superframe synchronization status CV the number of code violations FASE the number of Frame Alignment Signal Errors CRC4E the number of CRC4 errors E bits the number of far end errors Loop Loss line loop loss dB Execu...

Страница 30: ...DSL rate must be at least 512 kbps to transmit 8 timeslots Timeslot numbers destined for transmission are defined by timeslot map Each of 32 timeslots can be individually included or excluded from the number of transmitted timeslots The е1 command with the map map option allows to view and modify the timeslot map The timeslots destined for transmission are marked by asterisk The timeslots marked b...

Страница 31: ...67890123456789012345678901 Used timeslots 7 Payload 448 kbit s e1 map add all E1A Long Haul FRAMED Code HDB3 ONLINE 0 1 2 3 01234567890123456789012345678901 Used timeslots 32 Payload 2048 kbit s If total capacity of timeslots exceeds 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...

Страница 32: ... 3 01234567890123456789012345678901 Used timeslots 0 Payload 0 kbit s To apply a new timeslot map enter the dsl retrain command It is required to reconfigure the DSL interface upon changing the map Defining of timeslots 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 The error message appears on any attempt to change ...

Страница 33: ...mitted timeslots e1 map add 0 E1A Long Haul FRAMED Code HDB3 ONLINE 0 1 2 3 01234567890123456789012345678901 Used timeslots 30 Payload 1920 kbit s 3 4 5 2 Timeslot 16 The timeslot 16 conforming to G 704 recommendation is reserved 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 channel fo...

Страница 34: ...map defines timeslot numbers that are subject to transmit through DSL regardless a selected rate so a total amount of those timeslots specifies the lowest permitted rate The link remains down if the line provides no such rate Additional timeslots can be transmitted if the link rate exceeds the lowest permitted rate Those slots are marked in the map by sign upon DSL link activation dsl DSL Rate Aut...

Страница 35: ...ng order starting from 1 The timeslot 0 cannot be used as an additional one Upon disconnecting all additional timeslots are removed automatically dsl DSL Rate Auto 1408 of 2304 kbit s Code TCPAM16 SLAVE OFFLINE e1 map E1A Long Haul FRAMED Code HDB3 ONLINE 0 1 2 3 01234567890123456789012345678901 Used timeslots 16 Payload 1024 kbit s 35 ...

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 standard Microsoft Windows shipment then specify location of the image file planned to load to the modem Image files look like b64 Since the firmware can contain a few image files the update procedure has t...

Страница 37: ...SG16HOST 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 the update procedure update Load new image y n N Update canceled 37 ...

Страница 38: ...date 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 workmanship or materials The Manufacturer shall in no event be liable for any consequential indirect or damages or expenses lost revenues lost profits or any other incidential or consequential damages arisin...

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

Страница 40: ...ctor 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 535 5 15 305 107 7 21 7 Conductor diameter 0 5 mm 24 AWG 20 181 5 50 1 13 185 1 5 15 50 182 5 50 4 24 133 3 6 48 100 189 5 49 11 3 118 0 7 17 250 234 5 40 42 2 111 6 9 21 500 310 5 23 120 108 8 12 ...

Страница 41: ...Table I 2 Cable loop resistance to conductor diameter ratio Conductor diameter mm Loop resistance Ω km 0 32 432 0 4 278 0 5 180 0 64 110 41 ...

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