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Tainet ITM-3296bis User Manual

Manual is about: Network Series

Summary of ITM-3296bis

  • Page 1

    Tainet network series modem t-288c/t-1496terbo/t-1496/itm- 3296bis user's manual the professional partner tainet communication system corp. Headquarters: no. 25, alley 15, lane 120, sec. 1. Nei-hu rd, taipei 114, taiwan tel: 886-2-26583000 fax: 886-2-26583232 beijing branch: 3f, a building, 113 zhi ...

  • Page 2

    Contents chapter 1 the tainet network series modem 1.1 description 1.2 technical specifications 1.3 ordering information chapter 2 installation 2.1 description 2.2 unpacking 2.3 site requirements 2.4 site selection 2.5 ac electrical outlet connection 2.6 connecting with dial line 2.7 connecting with...

  • Page 3

    4.12 auto call back security chapter 4 general information and features 4.13 line status monitoring 4.14 b.E.R. Test 4.15 intelligent dial and redial 4.16 front panel lock and password 4.17 itu-t v.13 and pseudo, simulated carrier control in half duplex 4.18 g3 fax send/receive 4.19 symbol rate sele...

  • Page 4

    Fcc requirements this equipment complies with part 68 of the fcc rules. On the base unit of this equipment is a label that contains, among other information, the fcc registration number and ringer equivalence number (ren) for this equipment. If requested, this information must be given to the teleph...

  • Page 5

    Information to the user note: this equipment has been tested and found to comply with the limits for a class a digital device. Pursuant to part 15 of the fcc rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment g...

  • Page 6: Notice

    Notice the information in this user ’ s manual is subject to change without notice. T ainet c ommunication s ystem c orp. Make no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Tainet c...

  • Page 7

    Chapter 1 tainet network series modem content 1.1 description 1.2 technical specifications 1.3 ordering information.

  • Page 8

    Tainet network series modem 1-1 chapter 1 : the tainet network series modem 1.1 description • the tainet network series modem included t-288c , t-1496terbo , t-1496 , and itm-3296bis , is a high performance, synchronous and asynchronous, full duplex multi-standard modem. It is designed for use on 2-...

  • Page 9

    1-2 tainet network series modem 1.2 technical specifications the t-288c fully comply with itu-t recommendations v.34, v.33, v.32bis, v.32, v.22bis, v.22, v.21, v.23, v.29, v.27bis, v.26, v.24, v.28, v.25, v.25bis, v.52, v.54, v.42, v.42bis, v.8, and bell 212a/103 operating standards. The t-1496terbo...

  • Page 10

    Tainet network series modem 1-3 table 1-1a : modem protocol (applicable to 4/2 wire l-l or d-l) operating mode mod. Carrier symbol rate constellation points v.34+ 33600 v.34+ 31200 v.34 28800 v.34 26400 v.34 24000 v.34 21600 v.34 19200 v.34 16800 v.34 14400 v.34 12000 v.34 9600 v.34 7200 v.34 4800 v...

  • Page 11

    1-4 tainet network series modem table 1-1b : modem protocol (applicable to 4 wire l-l) operating mode mod. Carrier symbol rate constellation points v.33 14400 t tcm 1800 2400 128 v.33 12000 t tcm 1800 2400 64 v.33 9600 t tcm 1800 2400 32 v.33 7200 t tcm 1800 2400 16 v.33 4800 qam 1800 2400 4 v.29 96...

  • Page 12

    Tainet network series modem 1-5 • transmit level : 0~-31 dbm adjustable by 1 db step for leased-line application. 0~-15 dbm adjustable by 1 db step for dial-line application. • line requirement : 4/2 wire leased line & dial line • line impedance : balanced 600 ohms ± 10 % • return loss : > 24 db, 30...

  • Page 13

    1-6 tainet network series modem • scrambler & descrambler: comply to the itu-t v.32bis, v.32, v.22bis, v.22, v.27bis, v.29, v.33, v.34 • data and control signal: output voltage ± (6 ~ 12)v (itu-t v.28) input voltage ± (3 ~ 25)v output impedance 300 ~ 330 Ω input impedance 3000 ~ 7000 Ω • tx clock so...

  • Page 14

    Tainet network series modem 1-7 • dte interface: eia rs-232d, ccitt v.24/v.28 no v.24 description source 1 101 (pg) protective ground 2 103 (txd) transmit data dte 3 104 (rxd) receive data modem 4 105 (rts) request to send dte 5 106 (cts) clear to send modem 6 107 (dsr) data set ready modem 7 102 (s...

  • Page 15

    1-8 tainet network series modem this page is intentionally left blank..

  • Page 17

    Chapter 2 installation content 2.1 description 2.2 unpacking 2.3 site requirements 2.4 site selection 2.5 ac electrical outlet connection 2.6 connecting with dial line 2.7 connecting with leased line.

  • Page 18

    Installation 2-1 chapter 2 installation 2.1 description this chapter provides the information needed to install the tainet network series modem and to ensure that it is working properly. You may obtain more information about this subject for rack-mount modem shelf from the user's manual of tainet ra...

  • Page 19

    2-2 installation 2.3 site requirements the fcc requires telecommunications equipment to withstand electrical surges which may result from lightning strikes; the tainet network series modem meet the requirements set forth by the fcc. The following procedure outlines some common practices which can mi...

  • Page 20

    Installation 2-3 2.4 site selection locate the tainet network series modem no farther than 50 feet (15.24 meters) from your data terminal equipment (dte) and within 6 feet (1.83 meters) of a grounded ac outlet furnishing the required power. Install the modem in a clean area that is free from environ...

  • Page 21

    2-4 installation 2.6 connecting with dial line to connect your modem to a permissive rj11 voice jack and dial line as follows: 1) connect the 4-pin modular to 4-pin modular cable provided to connect your modem to telephone set via an rj11 jack for manual dial operation or voice transmissions. 2) con...

  • Page 22

    Installation 2-5 2.7 connecting with leased line for the leased line connection, you should connect the lines rj45 connector labeled with "leased" on the back of the tainet network series modem. Modem pin no. Leased line 1 2 3 4 5 6 7 8 blue orange black red green yellow brown white (or gray) tx/rx ...

  • Page 23

    2-6 installation this page is intentionally left blank..

  • Page 25

    Chapter 3 front panel lcd and menu-driven content 3.1 the front panel description 3.2 the rear panel description 3.3 operating the tainet network series modem 3.4 the menu tree 3.5 detailed description of the menu tree.

  • Page 26

    Front panel lcd and menu-driven 3-1 chapter 3 : front panel lcd and menu-driven 3.1 the front panel description the front panel of tainet network series modem contains five touch switches (vo/da key, right key, left key, enter key and exit key) for direct operation, one 2 x 16 characters lcd display...

  • Page 27

    3-2 front panel lcd and menu-driven 3.2 the rear panel description the rear panel of tainet network series modem contains an iec 320 ac power inlet connector, a power on/off switch, a rs-232 connector (connected to dte equipment), two rj11 telephone jack (one connected to dail line and the other one...

  • Page 28

    Front panel lcd and menu-driven 3-3 3.3 operating the tainet network series modem 1. Keypads : it consists of 5 touch switches. Vo/da it is used as the voice/data select key for dial line application, disconnect/reconnect selection for leased line applications, or "home" key for set-up menu to go ba...

  • Page 29

    3-4 front panel lcd and menu-driven b. Menu select example 1 : example 2 : l menu select status l menu select test description: 1) in top menu, press "enter" key to enter this menu. 2) select "local"or "remote" first if connected. 3) the character "l" on the upper left corner stands for local. 4) yo...

  • Page 30

    Front panel lcd and menu-driven 3-5 3.4 the menu tree main menu profile status version top local remote dial protocol test config modem auxiliary config dte command line setup (if connected) remote status a. Status menu è tx level = -xx dbm è rx level = -xx dbm è s/n. Ratio = xx db è f-shift = x.X h...

  • Page 31

    3-6 front panel lcd and menu-driven b. Dial menu è dial a number #0 nnnn\#1 nnnn\...\#9 nnnn è edit a number #0 nnnn\#1 nnnn\...\#9 nnnn è ring times auto ans off\1 times...255 times è wait for dial immediately\1 seconds...255 seconds è delay of " , " immediately\1 seconds...255 seconds dial : è cal...

  • Page 32

    Front panel lcd and menu-driven 3-7 è b.E.R. Test off\on.

  • Page 33

    3-8 front panel lcd and menu-driven e. Config modem menu è speed adapt\v34+ 336\v34+ 312v34 288\v34 264 \ v34 240\v34 216\v34 192\v34 168\v34 144 \ v34 120\v34 96\v34 72\v34 48\v34 24 \v32t 192t\v32t 168t\v32b 144t\v32b 120t \v32 96t\v32 96\v32b 72t\v32 48\v33 144t \v33 120t\v33 96t\v33 72t \ v33 48...

  • Page 34

    Front panel lcd and menu-driven 3-9 è ♣ dl check time forever\1..255 minutes è */ tcm state 16\32\64 è echo protect off\on è rdl by 140 off\on è al by 141 off\on è */ v34 baud rate 2400\2743\3000\3200\3429 è make/break us (39%)\uk (33.3%) è ring off time 0 seconds...15 seconds è call-back off\on è c...

  • Page 35

    3-10 front panel lcd and menu-driven è stop bit 1\1.5\2.

  • Page 36

    Front panel lcd and menu-driven 3-11 h. Command menu è command mode at command\v.25bis command \i-tek mode\dumb mode è result form short\long è result code off\on è command echo off\on è at prefix on\off è escape code 0...255 command : è eol code 0...255 è lf code 0...255 è backspace code 0...255 è ...

  • Page 37

    3-12 front panel lcd and menu-driven i. Line setup menu è line type dial line\2w leased\4w leased è leased to dial manu\auto è l → d timer forever\1 minutes...255 minutes è retrain times disconnect only\1 times...255 times è backup tel#1 #0...#9 line : è backup tel#2 none\#0...#9 setup è backup spee...

  • Page 38

    Front panel lcd and menu-driven 3-13 è front lock unlock\lock.

  • Page 39

    3-14 front panel lcd and menu-driven k. Remote status menu è tx level = -xx dbm è rx level = -xx dbm è s/n. Ratio = xx db è f-shift = x.X hz è f f-shift = x.X hz è * delay = xxxx ms remote è * n echo = xx.X db status : è * f echo = xx.X db è dte = xxxxx asy 10 è retrains = xxxxx è */ rx baud = xxxx ...

  • Page 40

    Front panel lcd and menu-driven 3-15 3.5 detailed description of the menu tree 3.5.1 status menu item name command description tx level= -xx dbm at%s transmitted signal level. This value is equal to the " tx level" of config modem. Normally, for the 2w leased line and the dial line, the recommended ...

  • Page 41

    3-16 front panel lcd and menu-driven n echo=-xx.X db at%s near end echo. This echo is caused when the near end line impedance is not matched. A smallest near end echo is always required. The normal near end echo level is between -6 db and -20 db (this value is provided only when operating on 2-wire ...

  • Page 42

    Front panel lcd and menu-driven 3-17 3.5.2 dial menu item name command description dial a number ç /#0.......#9 atdsn dial out a preset telephone number #n(n=0..9). This function can interact with the auto redial function or dial line auto establishment function. Edit a number ç /#0.......#9 at&zn=x...

  • Page 43

    3-18 front panel lcd and menu-driven progress tone atxn select if detect of busy tone or dial tone to proceed dialing. ç basic code atx0 /don't care any tone and do not show line connection speed. ç don't care atx1 /don't care busy tone and show line connection speed. ç dial tone atx2 /don't care bu...

  • Page 44

    Front panel lcd and menu-driven 3-19 ç 1.7 seconds / 2.3 seconds / 3.0 seconds /selections for quick connection to pos system ç off.

  • Page 45

    3-20 front panel lcd and menu-driven 3.5.3 protocol menu item name command description protocol type atn select error correction and data com-pression function for async mode only. *this setting is ineffective in sync mode. It will automatically become direct mode regardless of setting made once t...

  • Page 46

    Front panel lcd and menu-driven 3-21 send adp./odp. ç off ç on ats40=n (bit3) during the process of v.42 protocol identification,a special fixed signal will be identified if v.42 protocol can be provided. But if the user be sure that the modem of both sides use or not use v.42, he may set to off so ...

  • Page 47

    3-22 front panel lcd and menu-driven xon/xoff pass ç off ç on at\xn at\x0 at\x1 when using xon/xoff as data flow control in v.42/mnp/normal mode, modem can choose to intercept xon/xoff signal or have it be sent as data to the remote modem (default = off). Connect code atwn send back the v.42/mnp ext...

  • Page 48

    Front panel lcd and menu-driven 3-23 3.5.4 test menu item name command description clear all at&t0 clear all the tests in one time, and a statement "has been done" shall be shown. Lal ç on ç off at&t1 local analog loop test (on/off).This test is normally used to certify if the modem is in normal ope...

  • Page 49

    3-24 front panel lcd and menu-driven 3.5.5 config modem menu item name command description speed at%gn set modem speed ç adaptive at%g0 /set modem speed to be adaptive (multi-standard hand-shaking) mode, connectable speed from v.34 / v.32b / v.32 / v.22bis / v.22 /v.21. ç v34+ 336 at%g42 /set speed ...

  • Page 50

    Front panel lcd and menu-driven 3-25 ç v32 48 at%g15 /set modem speed to v.32 4800 bps qam. ç v29 9600 at%g14 /set modem speed to v.29 9600 bps qam. ç v29 7200 at%g13 /set modem speed to v.29 7200 bps dpsk. ç v29 4800 at%g12 /set modem speed to v.29 4800 bps dpsk. ç v27 4800 at%g11 /set modem speed ...

  • Page 51

    3-26 front panel lcd and menu-driven compromise eq. Ats24=n select additional fixed equalizer at transmit side. ç none (bit3..2) /disable, compromise eq is not necessary for normal transmission line as the auto adaptive equalizer at the receiving end can completely compensate. ç cable /cable equaliz...

  • Page 52

    Front panel lcd and menu-driven 3-27 dynamic range ats40=n set receive dynamic range. ç +4..-33dbm (bit7..6) /for t-1496 & t-1496terbo. ç -4..-43dbm /for t-1496 & t-1496terbo (default). ç +3..-26 dbm /for t-288c & itm-3296bis (v.33/v.29 default). ç -6..-33 dbm /for t-288c & itm-3296bis. ç -6..-43 db...

  • Page 53

    3-28 front panel lcd and menu-driven 3.5.6 auxiliary menu item name command description spk. Control atmn monitoring speaker switch control. ç until dcd on atm1 /speaker turn on until dcd on,then turn off (default). ç always on atm2 /keep speaker always on. ç off when dial atm3 /turn on speaker afte...

  • Page 54

    Front panel lcd and menu-driven 3-29 120t/96 thr ats47=n set v.32bis/v.33 12000 tcm & v.32 9600 qam mode retrain threshold. ç 0...49 db /(default = 18 db). V32/v33 72t thr ats59=n set v.32bis/v.33 7200 tcm retrain threshold. ç 0...49 db /(default = 15 db). V32/v33 48q snr thr ats48=n set v.32/v.33 4...

  • Page 55

    3-30 front panel lcd and menu-driven v34 baud rate ats23=n selection of v.34 symbol rate and bit rate. ç 3429 (bit6..4) /select 3429 baud only. V34 24 bit rate can not be used. (default) ç 3200 /select 3200 baud only. V34 336, 24 bit rate can not be used. ç 3000 /select 3000 baud only. V34 336, 312,...

  • Page 56

    Front panel lcd and menu-driven 3-31 remote grant ats24=n set if accept remote control or not. ç off (bit6) /not accept. ç on /accept(default) *rdl must also be set to on to accomplish the remote control function. Spk. Monitor ats41=n speaker monitor selection. ç rx (bit5) /monitor rx signal (defaul...

  • Page 57

    3-32 front panel lcd and menu-driven tx warping ats58=n non-linear encoding, in v.34 operating mode, increase separation of high power points of the transmitted signal to improve performance of pcm circuit. ç on (bit7) /enable. ç off /disable (default). Constellation ats58=n constellation expansion,...

  • Page 58

    Front panel lcd and menu-driven 3-33 3.5.7 config dte menu item name command description dte speed ç 300bps ç 600bps ç 1200bps ç 1800bps ç 2400bps ç 3600bps ç 4800bps ç 7200bps ç 9600bps ç 12000bps ç 14400bps ç 16800bps ç 19200bps ç 21600bps ç 24000bps ç 26400bps ç 28800bps ç 31200bps ç 33600bps ç 3...

  • Page 59

    3-34 front panel lcd and menu-driven ç normal at%d0 /same as v.25 108.2 dtr operation (default). ç auto dial/ans at%d1 /same as v.25/v.25bis 108.1 dtr operation. When dtr is from off to on,the modems will dial ( see dial menu-auto dial tel# ) and answer ( note the ring times in dial manu must be set...

  • Page 60

    Front panel lcd and menu-driven 3-35 dtr drop time ats25=n detect the time for dtr from on to off (default = 0ms). ç 0...1500 ms (bit3...0) /0-1.5 seconds. Data format at&mn data format selection in data mode. ç sync at&m1 /sync. ç async at&m0 /async. Cts control ats41=n cts operation type selection...

  • Page 61

    3-36 front panel lcd and menu-driven 3.5.8 command menu item name command description command mode ats45=n intelligent function command set selection. ç at command (bit4..3) /hayes compatible "at" command set with async/sync (bisync or monosync) and hdlc formats. ç v.25bis command /ccitt v.25bis com...

  • Page 62

    Front panel lcd and menu-driven 3-37 backspace code ats5=n set backspace code. ç 0...255 /(default value = 8). Escape guard ats12=n set time interval for escape code. ç 10...2550 ms /(default value =1400 ms). Framing ats17=n command data format. ç async (bit1..0) /async (default). ç hdlc/sdlc /hdlc(...

  • Page 63

    3-38 front panel lcd and menu-driven the following setup is only avlailable for hdl/sdlc selection. Check sum selection of the frame check sum. ç none ç crc-ccitt addr define selection of the address of the modem. ç global ç user define setup addr definition of the address of the user. It's only ava...

  • Page 64

    Front panel lcd and menu-driven 3-39 3.5.9 line setup menu item name command select line type and also set dial back-up function. Description line type /dial line. /2 wire leased line. /4 wire leased line. Auto dial back-up control while leased line is out of service. ç auto l → d timer ats36=n ç fo...

  • Page 65

    3-40 front panel lcd and menu-driven when dial line is in use (excluding dial back-up mode). The line can be restored by auto-redial after line disconnection. ç off /disable (default). /any abnormal line disconnection shall automatically redial to reconnect and provide similar leased line function t...

  • Page 66

    Front panel lcd and menu-driven 3-41 3.5.10 profile menu item name command description load this machine provides 20 groups of load configuration profile. Among them 10 groups configuration profile which cover the most required applications for normal use. The other 10 groups are set by the user whi...

  • Page 67

    3-42 front panel lcd and menu-driven save at&wn store the revised configuration in the user-defined configuration profile. /user profiles#0..9 /store in the nth group in the user's configuration profile. Usually, the 0th group is provided for the working area, setting store in this area or load the ...

  • Page 68

    Front panel lcd and menu-driven 3-43 3.5.11 remote status menu tx level= -xx dbm transmitted signal level of the remot modem. Item name command description at%s rx level= -xx dbm s/n. Ratio=xx db f-shift=x.X hz f f-shift=x.X hz at%s round trip delay time of the remot modem (this value is provided on...

  • Page 69

    3-44 front panel lcd and menu-driven this page is intentionally left blank..

  • Page 71

    Chapter 4 general information and features content 4.1 preview 4.2 dial line vs. Leased line 4.3 2w / 4w leased line 4.4 originate mode vs. Answer mode 4.5 synchronous vs. Asynchronous 4.6 error correction and data compression 4.7 configuration profile set-up 4.8 remote access 4.9 multi-standard han...

  • Page 72

    General information and features 4-1 chapter 4 : general information and features 4.1 preview in order to help you to get familiar with your tainet network series modem, this chapter introduces you some common applications. For most applications, the materials of this chapter will be enough. A. Leas...

  • Page 73

    4-2 general information and features 4.3 2w/4w leased line we had talked modem operate in the previous section. There are two-wire leased lined and four-wire leased line. 2w leased line achieves full duplex with only a pair of lines. There comes up the problem of interference. In v.21, v.22, v.22bis...

  • Page 74

    General information and features 4-3 4.4 answer mode vs. Originate mode while using the dial line, there must be a modem initiating the call, once the exchanger recognizes the number, it connects the circuit to the answering modem with ring signals. Answering modem can pick up the call manually or a...

  • Page 75

    4-4 general information and features 4.6 error correction and data compression the tainet network series modem supports "error correction "and "data compression" while operating in asynchronous mode. In addition to 100% error free, it also provides two to four times data compression rate to increase...

  • Page 76

    General information and features 4-5 4.7.1 t-288c factory profile default setting profile # #0 #1 #2 #3 #4 #5 #6 #8 #7 #9 s etting i tem asy- dl-at -none asy- dl-at -auto syn- dl-v25 -none asy- 2l-ans -v34 asy- 2l-org -v34 syn- 2l-ans -v34 syn- 2l-org -v34 syn- 4l-ans -v34 syn- 4l-org -v34 syn- 4l-v...

  • Page 77

    4-6 general information and features 4.7.2 itm-3296bis factory profile default setting profile # #0 #1 #2 #3 #4 #5 #6 #7 #8 #9 s etting i tem -none -32b -32b asy- dl-at -none asy- dl-at -auto syn- dl-v25 asy- 2l-ans -32b asy- 2l-org syn- 2l-ans -32b syn- 2l-org -32b syn- 4l-ans syn- 4l-org -32b syn-...

  • Page 78

    General information and features 4-7 4.7.3 t-1496 & t-1496terbo factory profile default setting profile # #0 #1 #2 #3 #4 #5 #6 #9 #7 #8 s etting asy- dl-at -none -none -32b/ 32t asy- -32b/ 32t syn- 2l-org syn- 4l-ans -32b/ 32t -32b/ 32t i tem asy- dl-at -auto syn- dl-v25 asy- 2l-ans 2l-org syn- 2l-a...

  • Page 79

    4-8 general information and features 4.8 remote access this functions in both calling and answering mode to automatically recognize the remote modem standard and connect to it accordingly. The tainet network series modem is equipped with remote access functions. You may use it to get the line condit...

  • Page 80

    General information and features 4-9 4.10 auto fallback and fall forward when auto fallback & fallforward is enabled in v.34 or v.32bis mode, the modem will automatically initial a v.34 or v.32bis rate renegotiation when the line condition changes, so that the optimum available data rate is always s...

  • Page 81

    4-10 general information and features 4.13 line status monitoring in order to let users manage transmission conditions, the tainet network series modem provides a signal quality displayed at right lower corner of the screen. It ranges from 0 to 9. The following shows the relationship between the dis...

  • Page 82

    General information and features 4-11 4.14 b.E.R test in addition to the parameters stated in the previous section, the tainet network series modem also offers bit error rate test without any extra test instruments. Before using the ber test, you have to build a connection then enter "test" menu, se...

  • Page 83

    4-12 general information and features 4.16 front panel lock and password in order to prevent from the operation of unauthorized persons, we offer you this function. After you set "front lock" under "profile" menu to be "lock", even the front panel keys are still effective, all the operations affecti...

  • Page 84

    General information and features 4-13 4.18 g3 fax send / receive the tainet network series modem offers g3 fax send and receive function and eia-tia class 1 commands. Fax class 1 command sets command summary capabilities identification and control +fclass? Service class indication +fclass=? Service ...

  • Page 85

    4-14 general information and features 4.19 symbol rate selection in v.34 mode the symbol rate to be used is automatically selected during the handshake, based on the results of the line probing procedure. User control of the symbol rate is achieved setting v34 baud rate selection under auxiliary men...

  • Page 87

    Chapter 5 instruction sets content 5.1 at command set 5.2 dial modifiers 5.3 result codes 5.4 v.25bis auto call unit.

  • Page 88

    Instruction sets 5-1 chapter 5 instruction sets 5.1 at command set table 5-1: at command set cmd function description a enter answer mode a/ repeat previous command p originate mode for pulse dialing t originate mode for tone dialing d originate mode for dialing dsn dial stored phone number n = 0-9 ...

  • Page 89

    5-2 instruction sets table 5-1: at command set (cont.) cmd function description xn x0:return 0-4 result codes;no dial,busy tone detect x1:return 0-5,10-39 result codes;no dial,busy tone detect x2:return 0-6,10-39 result codes;no busy tone detect x3:return 0-5,7,10-39 result codes;no dial tone detect...

  • Page 90

    Instruction sets 5-3 table 5-1: at command set (cont.) cmd function description &xn transmit clock source 0:interal 1:exteral 2:loopback &yn recall user profile n 0n power up , n=0-9 &zn=x store phone number x to memory location n, n=0-9 \ an mnp max block size 0:64 1:128 2:192 3:256 bytes \ bn disc...

  • Page 91

    5-4 instruction sets table 5-1: at command set (cont.) cmd function description %gn modulation mode: 6 v23_600 20 v32b_14400t 34 v34_14400 7 v23_1200 21 v33_4800 35 v34_16800 9 v26_2400 23 v33_9600t 37 v34_26400 10 v27b_2400 24 v33_12000t 38 v34_12000 11 v27b_4800 25 v33_14400t 39 v34_32000 0 adapti...

  • Page 92

    Instruction sets 5-5 5.2 dial modifiers table 5-2 dial modifiers code function description , pause for 2 seconds w : wait for dial tone before dialing ! & flash hook switch for 0.5 seconds r reverse to answer mode after dialing p pulse dialing t tone (dtmf) dialing % send calling tone for dialing = ...

  • Page 93

    5-6 instruction sets 5.3 result codes table 5-3 result codes short long form extended 1 extended 2 0 ok 1 connect 2 ring 3 no carrier 4 error 5 connect 1200 1200/mod/ec dce/arq/mod/ec 6 no dial tone 7 busy 8 no answer tone 9 connect 600 10 connect 2400 2400/mod/ec dce/arq/mod/ec 11 ringback timeout ...

  • Page 94

    Instruction sets 5-7 table 5-3 result codes (cont.) short long form extended 1 extended 2 24 redialing 25 connect 75tx/1200rx 26 connect 1200tx/75rx 27 connect 75 28 connect 110 29 connect 150 30 4800/mod/ec dce/arq/mod/ec connect 4800 31 connect 9600 9600/mod/ec dce/arq/mod/ec 32 blacklisted 33 mnp...

  • Page 95

    5-8 instruction sets 5.4 v.25bis auto call unit v.25bis auto call unit is used for auto calling in asynchronous and synchronous data formats. A crnx - call request - dial a phone number (x) entered on dte keyboard. C prny;x - program number - store a phone number (x) in specified memory address (y)....

  • Page 97

    Chapter 6 maintenance 6.6 return procedure content 6.1 description 6.2 instruments 6.3 self test 6.4 periodic maintenance 6.5 troubleshooting.

  • Page 98

    Maintenance 6-1 chapter 6 maintenance this chapter gives you the information of maintenance and the required instruments in order to let you recover the troubles quickly. The only instrument you need is a mult-meter, due to the embedded digital and analog test abilities. 6.3 self test plu rom fault ...

  • Page 99

    6-2 maintenance 6.5 troubleshooting 1) power unit • do the al (local analog loopback) test, feed some data into the modem and check if they were returned. • please make sure the interface is connected firmly; also check if the cable is in good condition. We suggest the individuals who hold a malfunc...

  • Page 100

    S-register table for t-288c & itm-3296bis a1-1 appendix 1: s-register table for t-288c and itm-3296bis default unit function no. 0 2 times rings before auto answer 1 0 ring count 2 43 escape code end-of-line character 4 10 line-feed character 5 6 2 second dial tone detect time 7 second time wait for...

  • Page 101

    A1-2 s-register table for t-288c & itm-3296bis 14 00001010 binary (10) * 0 cal0 calling tone off 0 e0 command echo disable * 1 e1 command echo enable * 0 q0 status on 0 v0 result code short form reserved bit 6,5 01 &g1 550hz guard tone bit 7 * 0 org0 answer mode 15 00001100 binary (12) * 00 stop bit...

  • Page 102

    S-register table for t-288c & itm-3296bis a1-3 16 00000000 binary (0) * 0 &t0 tp off 1 &t10, &t7 tp on bit 1 * 0 rdl off bit 2 * 0 &t0 lal off * 0 &t0 ldl off * 0 &t0 rdl off 1 &t6,t7 rdl on * 0reserved bit 7,6 * 00 %t0 test pattern alt 01 %t1 test pattern 511 11 reserved 10000000 * 00 dte protocol ...

  • Page 103

    A1-4 s-register table for t-288c & itm-3296bis bit 4,3 * 00 &d0 dtr forced on 10 &d2 dtr off cause disconnect * 0 %d0 dtr normal (&q3) 0 &r0 rts normal * 0 constant carrier 1 control carrier bit 1,0 01 l1 speaker volumn low bit 3,2 * 01 m1 speaker off until dcd on 11 m3 off when dialing bit 6,5,4 00...

  • Page 104

    S-register table for t-288c & itm-3296bis a1-5 01000000 bit 1,0 01 w1 extended result code 1 bit 3,2 01 sm1 auto fb/ff enable 11 sm3 reserved bit 6 0 remote acess off * 0 v.32 annex 1 &q1,2,3 sync data mode bit 6 * 0 ltd0 menu l->d * 0 dtl0 menu d->l 1 dtl1 auto d->l bit 0 1 dal1 dte al enable 24 bi...

  • Page 105

    A1-6 s-register table for t-288c & itm-3296bis bit 4 reserved bit 4,3,2,1,0 dial line tx level (from 0..-15dbm) 11 \q3 flow control cts only 11 \k3 break option 3 bit 6 1 \b1 send break sequence 33 * 0 dfb0 secondary channel off 1 dfb1 secondary channel on bit 5 * 0 dt tone dial 1 dp pulse dial bit ...

  • Page 106

    S-register table for t-288c & itm-3296bis a1-7 35 255 decimal dte address 36 5 minute time from leased to backup 37 38 40 * 1 adp1 send adp/odp in v42 bit 5,4 * 00 \h0 none of enq/ack 01 \h1 to host(simulate periphral) 10 \h2 to peripheral(simulate host) bit 7,6 * 00 thr0 dcd -6..-43 dbm 00001000 bi...

  • Page 107

    A1-8 s-register table for t-288c & itm-3296bis 100ms maximum resend times bit 3 *0 power backoff disable dce inactive time 00001001 bit 7 * 0 lock0 front panel lock disable 1 cbk1 ................ On 10 v.25bis command bit 2 * 0 +faa0 data auto answer mode 1 +faa1 data/fax auto answer mode bit 1,0 *...

  • Page 108

    S-register table for t-288c & itm-3296bis a1-9 49 16 modem link speed db v22bis 2400 qam snr threshold v29 9600 qam snr threshold 50 0 hex 7..4 * 0 dial-back tel# 2 3..0 * 0 dial-back tel# 1 51 0 hex 7..4 * 0 call-back tel # 3..0 * 0 auto-dial tel # 52 0 decimal bit 7..0 * 0 adaptive baud rate 1 v21...

  • Page 109

    A1-10 s-register table for t-288c & itm-3296bis 53 15 second hold time before call-back 54 2 second ring off time 55 18 bit 7..0 dial back-up speed 0 adaptive baud rate 1 v21_300 3 v22_1200 5 v22_2400 7 v23_1200 9 v26_2400 11 v27_4800 13 v29_7200 15 v32_4800 18 v32_9600t 19 v32b_12000t 21 v33_4800 2...

  • Page 110

    S-register table for t-288c & itm-3296bis a1-11 57 15 db binary (128) 0 constellation normal *1 constellation expansion bit 5,4 01 32 11 reserved bit 3,2,1,0 59 15 db v32b/v33 7200 tcm snr threshold v29 7200 qam snr threshold 58 11000000 bit 7 0 tx warping off *1 tx warping on bit 6 * 00 16 tcm stat...

  • Page 111

    A1-12 s-register table for t-288c & itm-3296bis this page is intentionally left blank..

  • Page 112

    S-register table for t-1496 & t-1496terbo a2-1 appendix 2: s-register table for t-1496 and t-1496terbo no. Unit function default 0 2 times rings before auto answer 1 0 times ring count 43 decimal 13 end-of-line character decimal 5 8 decimal 2 dial tone detect time 7 45 time wait for carrier 8 second...

  • Page 113

    A2-2 s-register table for t-1496 & t-1496terbo s-register table (cont.) no. Function default unit 14 00001010 binary (10) bit 0 1 cal1 .................. On 0 e0 command echo disable * 1 e1 ......................... Enable * 0 q0 status on bit 3 0 v0 code short form * 1 v1 code long form bit 4 bit 6...

  • Page 114

    S-register table for t-1496 & t-1496terbo a2-3 s-register table (cont.) no. Default unit function 16 00000000 binary bit 0 1 &t10 tp on bit 1 1 ........ On (remote) bit 2 1 &t1 ........ On bit 3 1 &t3 ........ On bit 4 1 &t6 ........ On bit 5 * 00 %t0 test message alt 17 10000000 binary (128) * 00 d...

  • Page 115

    A2-4 s-register table for t-1496 & t-1496terbo s-register table (cont.) no. Unit default function 21 01000010 binary bit 0 1 &s1 ........ Normal bit 2,1 * 01 &c1 ........ Normal 10 &c2 v.13 hdx 11 &c3 ........ Rcv ready bit 4,3 10 &d2 dtr off cause disconnect * 0 %d0 dtr normal bit 6 0 &r0 rts norma...

  • Page 116

    S-register table for t-1496 & t-1496terbo a2-5 s-register table (cont.) no. Unit default function * 10 10 ......... ....................... Bit 7 0 %e0 auto retrain off 24 01000000 binary bit 1,0 * 00 w0 standard result code bit 3,2 * 01 ........................... 4db 11 ..............................

  • Page 117

    A2-6 s-register table for t-1496 & t-1496terbo s-register table (cont.) no. Unit default function 28 60 minute timer for leased restore (2) bit 2 * 0 drl0 dte rdl disable bit 3 * 0 dal0 dte al disable 1 \g1 ........................... Control on 00 \k0 break option 0 * 10 \k2 .................... 2 ...

  • Page 118

    S-register table for t-1496 & t-1496terbo a2-7 s-register table (cont.) no. Default unit function 32 0 bit 6,7 00 password security normal 01 password security by modem 10 password security by hms 1 fast atz operation off 00010110 36 times 39 (37) bit 5,4 01 ecu1 v42 bit 1 0 standard at&f operation ...

  • Page 119

    A2-8 s-register table for t-1496 & t-1496terbo s-register table (cont.) no. Default unit function 41 00001000 binary 1 dct operation bit 4 1 \j1 .......................... Off 0 cts off in retraining (ccitt) * 1 cts always follow rts in data mode * 0 internal control in serial mode 01 +fclass=1 fax ...

  • Page 120

    S-register table for t-1496 & t-1496terbo a2-9 s-register table (cont.) unit no. Default function bit 4,3 00 dumb mode 1 lcd menu on/off -------------- 12000 tcm / 9600 qam snr threshold 13 2400 qam snr threshold hex 7..4 52 1 v21_300 / fax 300 3 v22_1200 6 v23_600 7 v23_1200 10 fax 2400 14 fax 9600...

  • Page 121

    A2-10 s-register table for t-1496 & t-1496terbo s-register table (cont.) no. Default unit function 18 v32_9600t 19 v32b_12000t 20 v32b_14400t 24 fax 12000 25 fax 14400 ring off time 3 v22_1200 5 v22_2400 53 15 second hold time before call-back 54 2 second 55 18 bit 7..0 dial back-up speed 0 adaptive...

  • Page 122

    Auxiliary summary for fax function a3-1 appendix 3: auxiliary summary for fax function the dte-facsimile dce communications link shall provide full duplex character data at rates fast enough to accommodate the transfer of synchronous t.30 phase c data. 12,000 bit/s is the minimum rate needed to supp...

  • Page 123

    A3-2 auxiliary summary for fax function a3.1 command summary all of these commands, except +fts and +frs, must be the last command on the command line. The commands are: command description +fts= stop transmission and pause,(10 ms intervals 0-255) +frs= wait for silence,(10 ms intervals 0-255) +ftm=...

  • Page 124

    Auxiliary summary for fax function a3-3 a3.3 service class 1 action commands a3.3.1 stop transmission and wait, +fts= the command +fts= causes the dce to stop any transmission. The dce then waits for the specified amount of time, and then sends the ok result code to the dte . The value is in 10 mill...

  • Page 125

    A3-4 auxiliary summary for fax function the dce shall return to command state upon loss of carrier, and send the no carrier result code to the dte. The dce shall obey the configured flow control from the dte. If the dte sends any character to the dce other than dc1 or dc3 while the dce is in this mo...

  • Page 126

    Auxiliary summary for fax function a3-5 a3.3.6 hdlc receive, +frh= the command +frh= causes the dce to receive hdlc framed data using the modulation mode selected in , and deliver the next received frame to the dte. May have the values shown in section 1.1. If the dce detects the selected carrier wi...

  • Page 127

    A3-6 auxiliary summary for fax function a3.4 calling sequence, transmitting a single page facsimile dte commands dce responses local dce action remote station action notes at+fclass=1 ok set class 1 atd connect ok dial & send cng look for v.21 detect flags answers sends ced,v.21 send hdlc flags send...

  • Page 128

    Auxiliary summary for fax function a3-7 a3.4 calling sequence, transmitting a single page facsimile (cont.) local dce action dte commands dce responses remote station action notes at+frh=3 detect carrier send v.21 carrier connect detect flags send flags get mcf frame send mcf frame final frame bit c...

  • Page 129

    A3-8 auxiliary summary for fax function a3.5 answering and receiving a single page facsimile dte commands dce responses local dce action remote station action notes at+fclass=1 set class 1 ok ring detect ringing dials [,send cng] ata off hook, at+frh=3 send ced, get ced, implied by send v.21 carrier...

  • Page 130

    Auxiliary summary for fax function a3-9 a3.5 answering and receiving a single page facsimile (cont.) dte commands dce responses local dce action remote station action notes at+fth=3 send v.21 carrier drop carrier connect send flags send mcf frame send fcs ok drop carrier final frame at+fth=3 receive...

  • Page 131

    A3-10 auxiliary summary for fax function this page is intentionally left blank..