Datatronics ITU-T V.42bis, Getting Started Manual

Page 1: ...ent modem operation characteristics and status They are MR Modem Ready Lights up when the modem is turned on TR Terminal Ready Flashes when DTR signal is detected CD Carrier Detected Lights up when a carrier from the remote modem is detected SD Send Data Flashes when the modem is sending data to the remote modem or when receiving data from the local computer RD Receive Data Flashes when the modem ...

Page 2: ...r that comes with your modem Power Adaptor Power Switch To Serial Port on Your Computer Connect to Telephone Line Connect to Telephone Set VR MIC SPK The Serial Port and the RS 232 Cable_________________________ To use this modem it will require an RS 232 serial port on your computer If your do not have it you need to have one It is better to select a serial port card that uses a high speed 16550 ...

Page 3: ... an RS 232 cable to connect the modem to a serial port on your computer Secure the connector screw on it Verify the serial port number in which your modem is connected You must Write down the port number as you will need to specify this number during software installation As a general rule on PC applications the port COM1 is connected to a mouse while COM2 is for a modem 3 Use an RJ 11 cable to co...

Page 4: ...esult most of the popular communications software packages off the shelf will work with it You should select a software package according to your application requirement Most popular communications software are provided with the configuration named Initial String or Dialing Prefix It is wise to check one by one the commands in this string as they will be sent to determine the modem characteristics...

Page 5: ...fectiveness of ECDC both modems on line should exercise the same ECDC standard You should always set your modem to V 42bis auto reliable mode by command N3 which will automatically negotiate with the remote modem for an available ECDC standard Controlling the Modem Speaker _____________________________ In the factory your modem speaker is preset in to medium volume and turned on when the carrier f...

Page 6: ...or ITU T compatibility B1 Bell protocol only E0 Disable command echo E1 Enable echo command characters H0 Hang up the connection on hook H1 Go off hook to make a call I0 Reports product code I1 Calculates the ROM checksum I3 Reports firmware version L0 Low volume L1 Low volume L2 Medium volume L3 High volume M0 Speaker off at all times M1 Speaker on until CD detected M2 Speaker always on N0 Fixed ...

Page 7: ...Q6 DTR drop is interpreted by the modem as if the asynchronous escape sequence had been entered the modem return to asynchronous command state without disconnecting Alone with any of following Q2 Q3 DTR drop causes the modem to hang up Auto Answer is inhibited D2 Alone with any of following Q0 through Q6 then DTR drop causes the modem to hang up Auto Answer is inhang D3 Alone with any of following...

Page 8: ... negotiate an error corrected link Q6 Select asynchronous operation in normal mode R0 Modem turns CTS on when detects RTS from the local computer R1 Ignore RTS Modem turns CTS on when ready to receive synchronously S0 Modem forces DSR always on S1 Set DSR to follow RS 232 spec T0 Terminates test in progress T1 Initiates local analog loopback V 34 Loop3 Sets S16 bit0 If aconnect exists when this co...

Page 9: ... N0 Set modem to normal mode N1 Set modem to direct mode N2 Set modem to MNP reliable mode N3 Set to MNP V 42 auto reliable mode N4 V 42 reliable with phase detection V0 Connect messages are controlled by the command settings X W and S95 V1 Connect message displayed in the single line format described below subject to the command settings V Verbose and Q Quiet In Non Verbose mode V0 single line co...

Page 10: ... transmit level VBQ Query buffer size VBS n Bits per sample ADPCM or PCM n 2 4 8 VBT n Beep tone timer n 0 40 0 4 seconds VCI Identify compression method ADPCM VLS n Voice line select ADPCM or PCM n 9 VRA Ringback goes away timer originate VRN Ringback never came timer originate VRX Voice Receive Mode ADPCM or PCM VSD Enable silence deletion voice receive ADPCM VSK n Buffer skid setting n 255 VSP ...

Page 11: ...ction Service Class ID FCLASS Service Class Fax Class 1 Commands FAE n Data Fax auto Answer FTS n Stop Transmission and Wait FRS n Receive Silence FTM n Transmit Data FRM n Receive Data FTH n Transmit Data with HDLC Framing FRH n Receive Data with HDLC Framing Page 11 ...

Page 12: ...on ID FDCC DCE capabilities parameters FDCS Report current session FDCS Current session results FDIS Report remote capabilities FDIS Current sessions parameters FDR Begin or continue phase C receive data FDT Data transmission FDTC Report the polled station capabilities FET Post page message response FET N Transmit page punctuation FHNG Call termination with status FK Session termination FLID Local...

Page 13: ...5 0 001s 95 DTMF Tone Duration S12 0 255 0 02s 50 Escape Prompt Delay S13 Reserved S14 138 8Ah General Bit Mapped Options Status S15 Reserved S16 0 Test Mode Bit Mapped Options Status T S17 Reserved S18 0 255 s 0 Test Timer S19 0 AutoSync Options S20 0 255 0 AutoSync HDLC Address or BSC Sync Character S21 52 34h V 24 General Bit Mapped Options Status S22 117 75h Speaker Results bit Mapped Options ...

Page 14: ...t Mapped Options Status S40 104 68h General Bit Mapped Options Status S41 195 C3h General Bit Mapped Options Status S42 S45 Reserved S46 138 Data Compression Control S48 7 V 42 Negotiation Control S82 128 40h LAPM Break Control S86 0 255 Call Failure Reason Code S91 0 15 dBm 10 country dependent PSTN Transmit Attenuation Level S92 0 15 dBm 10 country dependent Fax Transmit Attenuation Level S95 0 ...

Page 15: ... x x x x 15 Connect 14400 1 x x x x 16 Connect 19200 1 x x x x 17 Connect 38400 1 x x x x 18 Connect 57600 1 x x x x 19 Connect 115200 1 x x x x 20 Connect 230400 x x x x x Note 2 22 Connect 75TX 1200RX 1 x x x x 23 Connect 1200TX 75RX 1 x x x x 24 Delayed 4 4 4 4 x 32 Blacklisted 4 4 4 4 x 33 Fax x x x x x 35 Data x x x x x 40 Carrier 300 x x x x x 44 Carrier 1200 75 x x x x x 45 Carrier 75 1200 ...

Page 16: ...ALT x x x x x 81 Protocol ALT Cellular x x x x x 84 Connect 33600 1 x x x x 91 Connect 31200 1 x x x x 150 Carrier 32000 x x x x x Note 2 151 Carrier 34000 x x x x x Note 2 152 Carrier 36000 x x x x x Note 2 153 Carrier 38000 x x x x x Note 2 154 Carrier 40000 x x x x x Note 2 155 Carrier 42000 x x x x x Note 2 156 Carrier 44000 x x x x x Note 2 157 Carrier 46000 x x x x x Note 2 158 Carrier 48000...

Page 17: ...2000 x x x x x Note 2 176 Connect 54000 x x x x x Note 2 177 Connect 56000 x x x x x Note 2 F4 FCERROR x x x x x Notes An x in a column indicates that the message either the long form if verbose or the value only for short form will be generated when that particular value of n shown at the top of the column has been selected by the use of ATXn If the verbose or short form will be output for that X...

Page 18: ...ndows 95 98 ____ 1 Turn on computer Move mouse to Start at left hand side enter Setting s and select Control panel 2 Under Control Panel select Modems or Move mouse to My compu ter at right hand side enter Control panel and Modems Page 18 ...

Page 19: ... 3 In Install New Modem please tick Don t detect my modem I will select it from a lost and then go to next step 4 Because the modem is not listed you click Have Disk for other modem models Page 19 ...

Page 20: ...to the driver selected click Browse select one of the inf files Dtxmodem inf for discovery products Logmodem inf for DataSystem products and then click OK 6 Click the manufacturer and model of your modem and then go to next step Page 20 ...

Page 21: ... 7 Select the port to use with this modem for example COM2 and then click Next 8 Your modem has been set up successfully Click Finish Page 21 ...

Page 22: ...Page 22 9 Select the modem you have and then click OK ...