AT&T PARADYNE
DATAPORT 3710
|
Modem Type |
Data (synchronous/asynchronous)/Fax |
|
Maximum Data Rate |
14.4Kbps |
|
Maximum Fax Rate |
14.4Kbps |
|
Data Bus |
External |
|
Fax Class |
Class I & II |
|
Data Modulation Protocol |
Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis |
|
Fax Modulation Protocol |
ITU-T V.17, V.21CH2, V.27ter, V.29 |
|
Error Correction/Compression |
MNP5, V.42, V.42bis |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Line out |
CN1 |
DC power |
CN4 |
|
Line in |
CN2 |
Power switch |
SW1 |
|
RS-232/422 |
CN3 | ||
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
EC |
Red |
On |
Error correction enabled |
|
EC |
Red |
Off |
Error correction disabled |
|
HS |
Red |
On |
Modem is operating at highest configured speed |
|
HS |
Red |
Off |
Modem is operating at less than highest configured speed |
|
CD |
Red |
On |
Carrier signal detected |
|
CD |
Red |
Off |
Carrier signal not detected |
|
OH |
Red |
On |
Modem is off-hook |
|
OH |
Red |
Off |
Modem is on-hook |
|
RD |
Red |
On |
Modem is receiving data |
|
RD |
Red |
Off |
Modem is not receiving data |
|
SD |
Red |
On |
Modem is transmitting data |
|
SD |
Red |
Off |
Modem is not transmitting data |
|
TR |
Red |
On |
DTR signal is high |
|
TR |
Red |
Off |
DTR signal is low |
|
MR |
Red |
On |
DSR signal is high |
|
MR |
Red |
Off |
DSR signal is low |
Proprietary AT Command Set
|
AT COMMAND RESPONSE | |
|
Type: |
Regtster |
|
Format: |
AT [cmds] S84=n [cmds] |
|
Example: |
AT S84=0 &W <CR> |
|
Description: |
Sets the response to AT commands. |
|
Command |
Function |
| S84=0 |
Normal operation |
|
S84=1 |
Execute valid commands, suppress error codes. |
|
S84=2 |
Ignore configuration commands, always return OK error code. |
|
AUTO BAUD | |
|
Type: |
Register |
|
Format: |
AT [cmds] S78=n [cmds] |
|
Example: |
AT S78=0 &W <CR> |
|
Description: |
Allows modem to connect at remote modems modulation during V.32bis connection. |
|
Command |
Function |
| S78=0 |
Auto baud enabled. |
|
S78=1 |
Auto baud disabled. |
|
AUTO-RELIABLE TIME BUFFER CONFIGURATION | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Cn [cmds] |
|
Example: |
AT \C1 &W <CR> |
|
Description: |
Controls the handling of incoming data during auto-reliable time period. |
|
Command |
Function |
| \CO |
Data is discarded. |
|
\C1 |
Data is buffered. |
|
\C2 |
Data is discarded, resets to \C1 on receipt of autoreliable fallback character. |
|
AUTO-RELIABLE FALLBACK CHARACTER | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] %An [cmds] |
|
Example: |
AT%A20 <CR> |
|
Default: |
13 |
|
Range: |
0-127 |
|
Unit: |
ASCII |
|
Description: |
Sets the character used as the auto-reliable fallback character. %A0 will disable this function. |
|
BREAK TYPE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Kn [cmds] |
|
Example: |
AT \K5 &W <CR> |
|
Description: |
Selects response to DTE break command. |
|
Command |
Function |
|
\K0 |
Send break, clear buffer, enter command mode. |
|
\K1 |
Send break, clear buffer. |
|
\K2 |
Send break, send data, enter command mode. |
|
\K3 |
Send break. send data. |
|
\K4 |
Send data, send break, enter command mode. |
| \K5 |
Send data, send break. |
|
CELLULAR ENHANCEMENTS | |
|
Type: |
Register |
|
Format: |
AT [cmds] S91=n [cmds] |
|
Example: |
AT S91=0 &W <CR> |
|
Description: |
Configures modem to enhanced cellular mode |
|
Command |
Function |
| S91=0 |
Disabled |
|
S91=1 |
Enabled |
|
CD SIGNAL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Cn [cmds] |
|
Example: |
AT &C3 &B0<CR> |
|
Description: |
Configures the behavior of the carrier detect signal. |
|
Command |
Function |
| &C0 |
CD forced high. |
|
&C1 |
CD normal. |
|
&C2 |
Blink on disconnect. |
|
&C3 |
CD follows DTR. |
|
&C4 |
Simulated control carrier. |
|
&C5 |
CD follows DTR, forced low on disconnect. |
|
COMPRESSION | |
|
Type: |
Configuration |
|
Format: |
AT %Cn |
|
Example: |
AT &B0 %C1 &I2 <CR> |
|
Description: |
Selects V.42 and MNP data compression. |
|
Command |
Function |
|
%C0 |
Data compression disabled. |
| %C1 |
Data compression enabled. |
|
CONNECT MODE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Nn [cmds] |
|
Example: |
AT \N1 DT555-1212 <CR> |
|
Description: |
Sets connect mode. |
|
Command |
Function |
|
\N0 |
Normal mode enabled. |
|
\N1 |
Direct mode enabled. |
|
\N2 |
MNP mode only enabled. |
|
\N3 |
MNP mode with fallback to normal mode enabled. |
|
\N4 |
LAP-M mode only enabled. |
|
\N5 |
LAP-M mode with fallback to normal mode enabled. |
|
\N6 |
V.42/MNP only enabled. |
| \N7 |
V.42/MNP with fallback to normal mode enabled. |
|
CONNECTION SPEED UPPER LIMIT | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] %Bn [cmds] |
|
Example: |
AT %B14400 <CR> |
|
Description: |
Selects the current DCE speed. |
|
Command |
Function |
|
%B300 |
Select V.21 or Bell103 at 300bps speed. |
|
%B1200 |
Select V.22,V.23 or Bell 212A at 1200bps speed. |
|
%B2400 |
Select V.22 at 2400bps speed. |
|
%B4800 |
Select v.32/V.32bis at 4800bps speed. |
|
%B7200 |
Select V.32bis at 7200bps speed. |
|
%B9600 |
Select V.32bis/V.32 at 9600bps speed. |
|
%B12000 |
Select V.32bis at 12Kbps speed. |
| %B14400 |
Select V.32bis at 14.4Kbps speed. |
|
CTS SIGNAL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Dn [cmds] |
|
Example: |
AT \D0 <CR> |
|
Description: |
Selects the function of the CTS signal. |
|
Command |
Function |
| \D0 |
CTS forced high. |
|
\D1 |
CTS normal. |
|
\D2 |
CTS interrupted for 2 seconds on disconnect. |
|
\D3 |
CTS follows DTR. |
|
DISCONNECT IMMEDIATELY | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] S85=n [cmds] |
|
Example: |
AT S85=0 &W <CR> |
|
Description: |
Disconnect immediately on receipt of disconnect signal from DTE or diagnostic control panel. |
|
Command |
Function |
| S85=0 |
Disabled. |
|
S85=1 |
Enabled. |
|
FAX DISABLE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] S79=n [cmds] |
|
Example: |
AT S79=1 &W <CR> |
|
Description: |
Enables V.17 fax capability |
|
Command |
Function |
|
S79=0 |
Disable |
| S79=1 |
Enable |
|
FLOW CONTROL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Gn [cmds] |
|
Example: |
AT \G1 &K3 <CR> |
|
Description: |
Selects modem port flow control. |
|
Command |
Function |
| \G0 |
Flow control disabled. |
|
\G1 |
Flow control enabled. |
|
FLOW CONTROL TYPE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Qn [cmds] |
|
Example: |
AT \Q5 <CR> |
|
Description: |
Sets type of flow control used by modem. |
|
Command |
Function |
|
\Q0 |
Flow control disabled. |
|
\Q1 |
Bidirectional XON/XOFF flow control enabled. |
|
\Q2 |
CTS flow control by DCE enabled. |
| \Q3 |
Bidirectional CTS/RTS flow control enabled. |
|
\Q4 |
XON/XOFF flow control by DCE enabled. |
|
\Q5 |
XON/XOFF flow control by DTE enabled. |
|
\Q6 |
RTS flow control by DTE enabled. |
|
INACTIVITY TIMER | |
|
Type: |
Register |
|
Format: |
AT [cmds] \Tn [cmds] |
|
Example: |
AT\T20 <CR> |
|
Default: |
0 |
|
Range: |
0-255 |
|
Unit: |
1 minute |
|
Description: |
Sets the length of time that the modem does not receive information before it disconnects. |
|
LAP-M FRAME SIZE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \An [cmds] |
|
Example: |
AT \A3 %C1 <CR> |
|
Description: |
Sets the maximum frame size for V.42 and MNP connections. |
|
Command |
Function |
|
\A0 |
Maximum frame size is 64 |
|
\A1 |
Maximum frame size is 128 |
|
\A2 |
Maximum frame size is 192 |
| \A3 |
Maximum frame size is 256 |
|
\A4 |
Maximum frame size is 32 |
|
\A5 |
Maximum frame size is 16 |
|
Note: Maximum V.42 frame size is 128. | |
|
LAP-M FRAME WINDOW | |
|
Type: |
Register |
|
Format: |
AT [cmds] S89=n [cmds] |
|
Example: |
ATS89=6 <CR> |
|
Default: |
0 |
|
Range: |
1-9 |
|
Unit: |
1 frame (beginning with 0=6 frames) |
|
Description: |
Sets the number of frames used in V.42 and V.42bis transmissions |
|
LINE SPEED | |
|
Type: |
Register |
|
Format: |
AT [cmds] S41=n [cmds] |
|
Example: |
ATS41=6 <CR> |
|
Default: |
1 |
|
Description: |
Sets maximum line speed |
|
Command |
Function |
| S41=1 |
14.4Kbps V.32bis |
|
S41=2 |
12.0Kbps V.32bis |
|
S41=3 |
9600bps V.32bis, V.32 |
|
S41=4 |
7200bps V.32bis |
|
S41=5 |
4800bps V.32bis, V.32 |
|
S41=6 |
2400bps V.22bis |
|
S41=7 |
1200bps V.22 |
|
S41=8 |
1200bps 212A |
|
S41=10 |
0-300bps V21 |
|
S41=11 |
0-300bps 103j |
|
S41=12 |
1200/75bps V.23 |
|
S41=13 |
75/1200bps V.23 |
|
LOCK SERIAL PORT | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] S90=n [cmds] |
|
Example: |
AT S90=0 <CR> |
|
Description: |
Sets operation of serial port speed. |
|
Command |
Function |
|
S90=0 |
Disabled. |
|
S90=1 |
Serial speed follows connect speed. |
|
TRANSMISSION LEVEL | |
|
Type: |
Register |
|
Format: |
AT [cmds] &In [cmds] |
|
Example: |
AT &I26 &W <CR> |
|
Default: |
0 |
|
Range: |
-10dBm to -.25dBm |
|
Unit: |
-1 dBm |
|
Description: |
Sets the signal level for transmission |
|
TRANSMISSION LEVEL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &J0 [cmds] |
|
Example: |
AT &J0 &W <CR> |
|
Description: |
Sets permissive mode |
|
V.32bis AUTO-RETRAIN | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] S76=n [cmds] |
|
Example: |
AT S76=0 &W <CR> |
|
Description: |
Selects action the modem will take during bad line quality on 32bis connection. |
|
Command |
Function |
| S76=0 |
Auto retrain enabled. |
|
S76=1 |
Auto retrain disabled. |
| S76=2 |
Auto retrain started at 4800bps. |
|
S76=3 |
Auto retrain started at 9600bps |
|
V.32bis TRAIN | |
|
Type: |
Register |
|
Format: |
AT [cmds] S43=n [cmds] |
|
Example: |
AT S43=0 &W <CR> |
|
Description: |
Sets train length. Cellular setting is short. |
|
Command |
Function |
| S43=0 |
Long |
|
S43=1 |
Short |
|
XON/XOFF PASS-THROUGH | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Xn [cmds] |
|
Example: |
AT \X7 O <CR> |
|
Description: |
Selects whether XON/XOFF signals are sent to remote modem. |
|
Command |
Function |
| \X0 |
XON/XOFF signals trapped by local modem. |
|
\X1 |
XON/XOFF passed through local modem. |