Archtek 5634RCS User Manual Download

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5634RCS User’s Manual

Congratulations

on purchasing the most sophisticated modem available. Your modem

combines advanced technology with state-of-the-art features to bring you the modern
advanced communications device available today!

This modem provides the following features.

Modem Capabilities

K56Flex, V.90, 56000bps, 33600bps, 31200bps

ITU-T V.34, V.32bis, V.32, V.23, V.22bis, V.22, V.21, Bell 212A, and 103

V.42LAPM and MNP 2-4, and MNP 10 error correction

V.42bis and MNP 5 data compression

Fax Capabilities

ITU-T V.33, V.17, V.29, V.27ter, and V.21 Channel 2, 300 to 14400bps.

TIA/EIA 578 Class 1 Fax

Voice Capabilities

Concurrent DTMF and tone detection

Remote or local telephone answering machine/ voice mail control

Enhanced ADPCM compression/decompression

Record/playback via handset or mic/speaker

Caller ID

Speakerphone Capabilities

Full-duplex speakerphone (acoustic and line echo cancellation)

Microphone gain and muting

Speaker volume control and muting

Room Monitor

ASVD (Analog simultaneous voice and data) or AudioSpan (simultaneous
audio/voice and data)

ITU-T V.61 modulation (4.8 kbps data plus audio)

Handset, headset, or half-duplex speakerphone

Voice View Protocol Support

Voice mode (local handset and FDSP)

Voice View data mode (V.17,V.29,V.27ter,and V.21 ch2)

Video Ready Modem

Follows H.324, V.80,V.70 DSVD standard

Trademark

Windows and MS-DOS are trademarks of Microsoft Corporation. IBM PC/AT is a
trademark of International Business Machines. Other product or company names are
trademarks or registered trademarks of their respective holders.

Summary of Contents for 5634RCS

Page 1: ... answering machine voice mail control Enhanced ADPCM compression decompression Record playback via handset or mic speaker n Caller ID n Speakerphone Capabilities Full duplex speakerphone acoustic and line echo cancellation Microphone gain and muting Speaker volume control and muting Room Monitor n ASVD Analog simultaneous voice and data or AudioSpan simultaneous audio voice and data ITU T V 61 mod...

Page 2: ...NE 11 2 8 MODEM RESPONSES 11 2 9 WORD OR NUMERIC RESPONSES 12 2 9 1 X0 response set 12 2 9 2 X1 response set 12 2 9 3 X2 response set 12 2 9 4 X3 response set 13 2 9 5 X4 response set 13 2 10 CORRECTION COMPRESSION RESPONSES 13 CHAPTER 3 USING CONFIGURATION PROFILES 19 3 1 STORING A PROFILE 19 3 2 RECALLING A PROFILE 19 3 3 RESET AND RECALLING PROFILE 20 CHAPTER 4 ERROR CORRECTION AND DATA COMPRES...

Page 3: ... 7 2 FOR WINDOWS 3 1X OR DOS 52 CHAPTER 8 WINDOWS 95 MODEM DRIVER INSTALLATION 54 8 1 INSTALL THE MODEM TO WINDOWS 95 54 8 2 TESTING THE INSTALLATION OF THE MODEM 57 8 3 MANUALLY INSTALL THE MODEM 59 A FCC COMPLIANCE 59 A 1 FCC NOTICE 60 A 2 FCC REQUIREMENT 60 B RECOMMENDED INITIALIZATION STRINGS 61 C PIN ASSIGNMENTS 62 C 1 RS 232C CONNECTOR 63 C 2 RS 232C PIN ASSIGNMENTS 63 TROUBLESHOOTING 63 ...

Page 4: ...r package make sure all of the above items are included and not damaged If you see that any components are damaged please notify your dealer immediately 1 2 What else you need To complete your data communication system you will need the following items l Some type of communication software if not included l An optional telephone set you do not need to use a telephone with your modem 1 3 Installing...

Page 5: ...refer to the manual that accompanied your equipment or contact your computer dealer 3 After making the connection check your computer or terminal requirements for the Carrier Detect and Data Terminal Ready signals The C command affects the Carrier Detect signal and D command affects the Data Terminal Ready signal Refer to Chapter 5 List of modem commands 1 6 Connecting to the telephone line Use th...

Page 6: ... the POWER switch on the back of the modem see figure 1 1 2 Plug the end with the power pack into either a 110 or 220 VAC outlet 3 Turn the POWER switch to ON position then the MR LED goes on 4 Turn on the computer or terminal connected to the modem 1 9 Using a external MIC and speaker1 If you want to use an external MIC or speaker instead of using the built in speaker you need to insert your exte...

Page 7: ...t a speed of 300 1200 2400 9600 19200 38400 57600 or 115200bps If this does not solve your problem contact your computer dealer 2 Use your communication software to prepare your computer to dial a call Then type ATD x phone number where x is either T for Touch Tone dialing or P for Pulse dialing and phone number is the telephone number that your modem is using For example if your modem is connecte...

Page 8: ...omputer can begin transmitting data RTS RTS is the Request To Send LED This LED goes ON when your modem receives from your computer indicating that the computer wants to transmit data CD CD is the Carrier Detect LED This LED goes ON when the modem detects a remote modem s carrier signal OH OH LED is the Off Hook This LED goes ON when the modem is off hook using the telephone line RD RD is the Rece...

Page 9: ... Ready DTR signal from your computer Your computer sends this sign al when the computer is ready to send or receive data DTR is ON This LED does not work with Macintosh which uses the DTR signal for hardware flow control purposes MR MR is the Modem Ready LED This LED goes ON when your modem is connected to an AC outlet and turned on ...

Page 10: ...ommands you can have your modem perform a variety of activities such as dialing or answering a data call or sending a fax In order to send commands to your modem You must type a command line while your modem is in command mode 2 2 To type a command line 1 Type AT These characters must precede every command line except when you type the A command described on page 31 2 Type the commands you want yo...

Page 11: ... type a new command line and press the Enter key If you want to re execute the last command type A When you want to use the A command you don t need to preface it with the AT characters or end it by pressing the Enter key Just type A to have your modem automatically re execute the last command line The A command is particularly useful when you want your modem to re execute a lengthy command line o...

Page 12: ... receive modem responses at all you can use Q1 command to disable them You may want to disable responses entirely if your modem is connected to a printer and you do not want the modem responses printed 2 9 1 X0 response set The X0 response set consists of the first five responses in Table 2 1 with this response set you receive the CONNECT response for all connections regardless of the speed at whi...

Page 13: ...tion and data compression protocols you can use the Wn command to enable the extended responses shown in Table 2 1 l The W command that enables negotiation progress responses is not the same command as the W dialing modifier used in dial command lines The default setting W0 disables extended responses With W0 all CONNECT responses report the DTE speed To receive the CARRIER and PROTOCOL responses ...

Page 14: ...when X2 X4 or the W dial modifier is in effect BUSY 07 Modem detected a busy signal this response is enabled when X3 or X4 is in effect NO ANSWER 08 Modem did not detect silence when dialing a command line containing the dial modifier CONNECT 600 09 Modem made a data connection at 600bps CONNECT 2400 10 Modem made a data connection at 2400bps CONNECT 4800 11 Modem made a data connection at 4800bps...

Page 15: ...5634RCS User s Manual 15 CONNECT 115200 19 Modem made a data connection at 115 2kbps ...

Page 16: ...ER 75 1200 45 Carrier transmit 75bps receive 1200bps CARRIER 1200 46 Carrier detected at 1200bps CARRIER 2400 47 Carrier detected at 2400bps CARRIER 4800 48 Carrier detected at 4800bps CARRIER 7200 49 Carrier detected at 7200bps CARRIER 9600 50 Carrier detected at 9600bps CARRIER 12000 51 Carrier detected at 12000bps CARRIER 14400 52 Carrier detected at 14400bps CARRIER 16800 53 Carrier detected a...

Page 17: ...tected at 36000bps CARRIER 38000 153 Carrier detected at 38000bps CARRIER 40000 154 Carrier detected at 40000bps CARRIER 42000 155 Carrier detected at 42000bps CARRIER 44000 156 Carrier detected at 44000bps CARRIER 46000 157 Carrier detected at 46000bps CARRIER 48000 158 Carrier detected at 48000bps CARRIER 50000 159 Carrier detected at 50000bps CARRIER 52000 160 Carrier detected at 52000bps CARRI...

Page 18: ...em made a data connection at 48000bps CONNECT 50000 174 Modem made a data connection at 50000bps CONNECT 52000 175 Modem made a data connection at 52000bps CONNECT 54000 176 Modem made a data connection at 54000bps CONNECT 56000 177 Modem made a data connection at 56000bps These response are displayed when the W0 or W1 command is in effect These responses are displayed when the W1 command is in ef...

Page 19: ...ion in nonvolatile memory where you want the profile stored Using the Wn command you can store the following commands refer to Chapter 5 for description of these commands B1 T E1 F0 L2 M1 Q0 V1 X4 Y0 C0 D0 G0 J0 K3 L0 P0 A3 B2 C1 N3 You can also store the following register values refer to Chapter 6 for a description of these registers S0 0 S2 43 S6 2 S7 30 S8 2 S9 6 S10 14 S11 95 S12 50 S18 0 S25...

Page 20: ... basic asynchronous operation which is the profile in effect when you received your modem The following table lists the modem s default profile Setting Default Obtained from Memory Auto answer Disable Yes Backspace character 08 No Bell CCITT compatibility at 1200 bps Bell 212A Yes Busy signal detect Enabled Yes Carriage return character 13 No Line feed character 10 No Communication rate 57600bps Y...

Page 21: ...ed from Memory Speaker status On but off when carrier detected Yes Speaker volume Medium Yes Test timer setting 0 second Yes Wait for carrier after dialing 50 seconds Yes Wait for dial tone 2 seconds No Wait for dial tone before dialing Enabled Yes ...

Page 22: ...ne line noise and other signal distortions 4 2 V 42 V 42bis the accepted international standard for error correction ratified by ITU T in January 1990 It is generally felt that the handshake and protocol establishment process of V 42 is superior to that MNP 4 Therefore it will provide better initial connections on poor quality telephone lines Moreover while the effective data speed of V 42 and MNP...

Page 23: ...rd operation without buffering 2 Your modem responds with OK 4 6 MNP5 and V 42bis data compression There are two major data compression protocols used in data communications MNP5 and V 42bis MNP5 was the first data compression protocol to be developed and provides a data compression ratio of 2 1 In January 1990 ITU T ratified the V 42bis data compression protocol as the international standard V 42...

Page 24: ...m commands refer to Chapter 2 Please refer to Chapter 4 for more information on MNP V 42 V 42bis error correction and data compression protocols Table 5 1 Standard modem commands Modem Commands Description Keep data connection and move from data mode to command mode When your modem enters the data mode typing allows it to escape to the command mode while preserving the connection to remote modem A...

Page 25: ...cksum 2 Compute checksum and report result of comparison to pressured checksum 3 Report firmware revision model and interface type 4 Report response programmed by an OEM 5 Report the country code parameter 6 Report modem data pump model and code revision 7 Reports the DAA code world class models only Ln Speaker volume 0 Low 1 Low 2 Medium default 3 High Mn Speaker status 0 Speaker always off 1 Spe...

Page 26: ...it 5 As soon as a dial command is executed which explicitly specifies the dialing mode for that particular call e g ATDT this command is overridden so that all future dialing will be tone dialed Sn Display the value of Register n Refer to Chapter 6 for more information Example ATS0 Requests the modem to display the value of Register S0 the auto answer register Sn v Change the value of Register n t...

Page 27: ...ores dialtone and busy signal enables all responses except 6 and 8 4 Modem recognizes dialtone and busy signal enables all responses default Yn Long space disconnect 0 Disable long space disconnect default 1 Enable long space disconnect Zn Reset Resets the modem and loads one of two configuration profiles stored with the Wn command Refer to Chapter 3 for more information 0 Reset and retrieve confi...

Page 28: ...ur computer and modem is different than the speed between your modem and the remote modem 0 Disable flow control 1 Reserved 2 Reserved 3 Enable hardware RTS CTS flow control default 4 Enable software XON XOFF flow control 5 Enable transparent software flow control XON XOFF 6 Enable both hardware and software flow control default for fax mode and voice mode Ln Telephone line type 0 Switched dial up...

Page 29: ...ack request 6 Request an RDL without self test 7 Request an RDL with self test 8 Initiate local analog loop with self test V View any stored configuration profiles 1 Display connection statistics Wn Write S register values to one of two profiles The following commands and registers can be stored in nonvolatile memory Commands Bn Cn En Ln Mn Qn Vn Yn Xn Cn Dn Gn Ln Pn Register S0 S2 S6 S7 S8 S9 S10...

Page 30: ... line signal quality 7 Plug and Play serial number 8 Plug and Play vendor ID and product number Bn Send break to remote system Equivalent to pressing the Break key on a host keyboard For standard non MNP or V 42 connections type a number from 1 to 9 after this command to indicate how long the modem is to provide the break signal The number will be multiplied by 100 milliseconds and the break signa...

Page 31: ... if break is received at modem port send it to serial port K0 or K1 K2 or K3 K4 or K5 Modem clears modem and terminal buffers and sends break to remote system Modem does not clear terminal and modem buffers and sends break to remote modem Modem sends break to remote modem in sequence with any transmitted data MNP V 42 V 42bis Commands Description Nn Set operating mode Selects the type of asynchron...

Page 32: ... LAPM connection to an MNP 10 connection 0 Disables V 42 LAPM to MNP 10 conversion default 1 Enables V 42 LAPM to MNP 10 conversion 2 Enables V 42 LAPM to MNP 10 conversion inhibits MNP extended services initiation during V 42 LAPM answer mode detection phase SEC n 0 Disable MNP 10EC 1 Enable MNP 10EC and set transmit level tx level 0 to 30 0 dBm to 30 dBm ...

Page 33: ...e to read the value of Register S0 auto answer after the number of rings specified by this S Register value and S1 count the number of incoming rings type ATS0 S1 from the command mode 2 Press the Enter key The modem displays the first S Register value a carriage return the next S Register value a carriage return and OK or 0 6 2 Changing an S Register value To change an S Register value use the Sr...

Page 34: ...thout losing the connection to the remote modem Values greater than 127 disable the escape feature preventing a return to the command mode To return to command mode with the escape characters disabled the remote modem must hang up or an ON to OFF transition of the DTR interface signal must occur with D1 D2 or D3 in effect S3 0 127 ASCII 13 Carriage Return Carriage return character Register S3 sets...

Page 35: ...lue can be increased if the modem does not detect a carrier within the specified time If the modem detects a remote carrier signal within the specified time it sends a CONNECT response and enter data mode If it does not detect a remote carrier within the specified time it sends NO CARRIER hangs up and remains in command mode S8 0 255 seconds 2 Comma pause time for dial delay Register S9 tells the ...

Page 36: ...5634RCS User s Manual 36 signal or voice foe carrier signal ...

Page 37: ... value less than 50 milliseconds Register S11 does not effect pulse dialing which is fixed at 10 pulses per second S12 0 255 1 50 seconds 50 Escape character guard time Register S12 controls the time delay required before and after typing the escape characters The default setting 50 equals one second To reduce the chance that transmitted data is mistaken for escape characters the S12 value can be ...

Page 38: ...T Default 1 Pulse P Bit 7 Ð Originate Answer 0 Answer 1 Originate Default S16 General Bit Mapped Test Options Status Bit 0 Ð Local analog loopback 0 Disabled Default 1 Enabled T1 Bit 2 Ð Local digital loopback 0 Disable Default 1 Enable T3 Bit 3 Ð Remote digital loopback RDL status 0 Modem not in RDL Default 1 RDL in progress Bit 4 Ð RDL required AT T6 0 RDL not requested Default 1 RDL requested B...

Page 39: ...ped Options Defines the options for AutoSync operation S19 must be set to the desired value before Q4 is issued S19 Bit Mapped 0 hex Bit 1 BSC HDLC format select 0 BSC selected default 1 HDLC selected Bit 2 Address detection enable disable 0 Disabled default 1 Enabled Bit 3 NRZI NZI coding select 0 NRZI default 1 NZI Bit 4 Idle indictor select 0 Mark idle default 1 Flag or sync idle S20 0 255 0 Au...

Page 40: ...cted 3 D3 selected Bit 5 Ð RSLD DCD behavior Cn 0 C0 selected Default 1 C1 selected Bit 6 Ð DSR behavior Sn 0 S0 selected Default 1 S1 selected Bit 7 Ð Long space disconnect Yn 0 Y0 Default 1 Y1 S22 117 117 Speaker Results Bit Mapped Options Status Indicates the status of command options Bits 0 1 Ð Speaker volume Ln 0 Off L0 1 Low Default 2 Medium L2 3 High L3 Bits 2 3 Ð Speaker control Mn 0 Disab...

Page 41: ...0 bps or higher Default Bits 4 5 Ð Assumed DTE parity 0 even 1 not used 2 odd 3 none Default Bits 6 7 Ð Guard tone Gn 0 None G0 Default 1 None G1 2 1800 Hz G2 S25 0 255 1 100 seconds 5 DTR delay Register S25 determines how long the modem waits to hang up after the Data Terminal Ready signal goes from ON to OFF if D2 is in effect S26 0 255 1 100 seconds 1 RTS CTS delay Register S26 determines how l...

Page 42: ... 1 1 M3 or Q3 1 0 0 Q4 1 0 1 Q5 Default 1 1 0 Q6 Bit 2 Leased line control Ln 0 Dial up line L0 Deault Bits 4 5 Internal clock select Xn 0 Internal clock X0 Default 1 External clock X1 2 Slave clock X2 Bit 6 CCITT Bell mode select Bn 0 CCITT mode B0 1 Bell mode B1 Default S28 0 Bit Mapped Options Status Bits 3 4 Plus dialing Pn 0 39 61 make break ratio at 10 pluses per second P0 1 33 67 make break...

Page 43: ...tiation Speed Hn 0 Link negotiation at highest speed H0 Default 1 Link negotiation at 1200 bps H1 2 Link negotiation at 4800 bps H2 S29 0 255 10 ms interval 70 Flash Dial modifier Time Sets the length of time in units of 10 ms that the modem will go on hook when it encounters the flash dial modifier in the dial string The time can be limited as it is a country dependent parameter ...

Page 44: ...ect message enable disable Vn 0 Message controlled by S95 Wn and Vn V0 Default 1 Single line connect message V1 Bit 1 Ð Auto line speed detection Nn 0 Disabled N0 1 Enabled N1 Default Bits 2 3 Ð Error correction progress messages Wn 0 DTE speed only W0 Default 1 Full reporting W1 2 DCE speed only W2 Bits 4 5 Ð Caller ID CID 0 Caller ID disabled CID 0 Default 1 Short formatted Caller ID enabled CID...

Page 45: ...empted and if it fails a normal mode connection is established Default S37 Bit Mapped Desired Line Connection Speed Register S37 is bit mapped and provides the following functions 0 Attempt automode connection If N0 is active connection is attempted at the most recently sensed DTE speed If N1 is active connection is attempted at the highest possible speed Default 1 3 Attempt a 300 bps connection 5...

Page 46: ...4 the modem will wait that number of seconds for the remote modem to acknowledge all data in the modem buffer before disconnecting If time expires before all data is sent the NO CARRIER result code will be issued to indicated that data has been lost If all data is transmitted prior to time out the response to the H0 command will be OK If S38 is set to 255 the modem does not time out and continues ...

Page 47: ...ed services K0 Default for non MNP 10 models 1 Enable extended services K1 Default for MNP 10 models 2 Enable extended services K2 Bit 2 Power Level Adjustment for Cellular Use Mn 0 Auto adjustment M0 Default 1 Force adjustment M1 Bits 3 5 Break Handling Kn 0 K0 1 K1 2 K2 3 K3 4 K4 5 K5 Default Bits 6 7 MNP Block Size An 0 64 chars A0 1 128 chars A1 Default 2 192 chars A2 3 256 chars A3 ...

Page 48: ... 0 Retrain and fallback fall forward disabled E0 Default 0 1 Retrain enabled E1 1 0 Fallback fall forward enabled E2 Bit 4 Block mode control Ln 0 Stream mode L0 Default 1 Block mode L1 Bit 7 Enable fallback to V 22bis V 22 Qn 0 Disabled Qn 1 Enable Q1 Default S46 138 Data Compression Control Control selection of compression The following actions are executed for the given values S46 136 Execute e...

Page 49: ... fallback action specified in S36 Can be used to force MNP S82 128 Break Handling Options S82 is for compatability purposes only changing this register will not have any affect S91 0 15dBm 10 PSTN Transmit Attenuation Level Sets the transmit attenuation level from 0 to 15 dBm for the PSTN mode resulting in a transmit level from 0 to 15dBm in some countries the transmit level may not be changed and...

Page 50: ...NO CARRIER message The cause codes are S86 0 255 seconds S86 0 S86 4 S86 5 S86 9 S86 12 S86 13 S86 14 Normal disconnect no error occurred Loss of carrier V 42 negotiation failed to detect an error correction modem at the other end The modems could not find a common protocol Normal disconnect initialed by the remote modem Remote modem does not respond after 10 re transmissions of the same message P...

Page 51: ... IRQ settings from your computer dealer or from the hardware manuals 7 1 FOR WINDOWS 95 n Add a COM Port 1 Please choose START then Settings then Control Panel In Control Panel double click on Add New Hardware In the Add New Hardware Wizard Click on Next button It will then ask you if you want Windows 95 to search for New Hardware click on YES and then the Next button Read the Warning and if you a...

Page 52: ...1 If you only have 03F8 in the COM Port screen and do not have any sound card network adapter scanner card bus mouse or other device using IRQ3 set your modem s switches or jumpers to COM2 IRQ3 according to the user s manual that cames with your modem both COM and IRQ must be set If you only have 02F8 for COM port set your modem to COM1 IRQ4 again following the directions of your Modem User s manu...

Page 53: ...RQ and set your modem to COM3 IRQ5 If the device that s using IRQ5 does not support other IRQ s you have ran out of available IRQ Consult your local dealer or a consultant to see if they can give you some advice You must also realize that if your system is fully loaded with no available COM Port or IRQ another device must be sacrificed disabled to make room for the fax modem When you find the COM ...

Page 54: ... od de em m D Dr ri iv ve er r I In ns st ta al ll la at ti io on n After following the directions in our Hardware Conflict Resolution Guide please follow these procedures to install the driver 8 1 Install the Modem to Windows 95 1 Boot the system from Windows 95 Windows will auto detect the existence of the modem 2 Now Windows will begin the Update Device Driver Wizard Click on the Next Button 3 ...

Page 55: ...hat contains the drivers then click the OK button 5 Click on the Finish button if the displayed modem model name fits yours 6 Insert the Windows 95 CD ROM to let the system copy necessary files for the modem 7 Indicate the right path for the CD ROM i e D Win95 or you can browse other folders that contain the OSR2 source files ...

Page 56: ...installation the Wave Device for the Voice Modem for modem Click on the Next button 9 Click on the Other Locations button if the wave driver and the modem are in the same directory 10 Type the name of the driver path ie A W95NT40 or you can browse the folders to indicate the path that contains the drivers then click the OK button ...

Page 57: ...s Manual 57 11 Click on the Finish button 12 Now you ve completed to install the drivers for the modem 8 2 Testing the installation of the modem 1 Double click the Modem icon in the Control Panel Choose Diagnostics ...

Page 58: ...5634RCS User s Manual 58 2 Choose COM2 5634RCS 56K Video Ready Modem and click on the More Info button ...

Page 59: ... Windows 95 driver for your modem It comes with a list of modem models 5634RCS 56K Video Ready Modem Select the model that fits yours 4 Window now will ask you to insert the Windows 95 CD disk to copy necessary driver files to the Windows 95 system 5 After Windows has auto detected your hardware COM port setting it will show the suggesting COM port You can select the port such as Communication Por...

Page 60: ...ded cables on the peripheral devices Shielded cables must be used with the unit to insure compliance This statement can be deleted if unit was not tested with shielded cables The manufacture is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment Such modifications could void the user s authority to operate the equipment This device complies with ...

Page 61: ...nges in its facilities equipments operations or procedures that could affect the proper functioning of your equipment If they do you will be notified in advance to give you an opportunity to maintain uninterrupted telephone service The equipment may not be used on coin service by the telephone company Connection to party lines is subject to state tariffs This modem does support Fax Branding functi...

Page 62: ...r contact us We will try to work out a recommended initialization string for you Thank you A recommended initialization string for general purpose data communications 5634RS AT F C1 D2 K3 N3 C3 Recommended initialization to turn off error correction data compression and flow control as required by many of the banking software Some software also requires numeric response instead of word response 56...

Page 63: ... provide these signals for your computer to communicate with your modem Table C 1 RS 232C pin assignments Pin Abbreviation V 24 Designation Function Signal Direction 2 TXD 103 Transmit Data To modem 3 RXD 104 Receive Data From modem 4 RTS 105 Request to Send To modem 5 CTS 106 Clear to Send From modem 6 DSR 107 Data Set Ready From modem 7 102 Signal Ground Common 8 DCD 109 Received Line Signal Det...

Page 64: ...mmunication software is correctly configured Check if the Power Adapter is O K Check if the MR indicator is turned on Check if TR indicator is turned on Try to Dial up or answer a call Check if OH indicator is turned on Wait for remote modem Carrier signal Check the dialing or answering AT command is been correct set Check if the CD indicator is turned on Check if the remote modem is ready to rece...

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