MULTI-TECH SYSTEMS, INC.
MT5634ZBA, MT5634ZBAV
|
Card Type |
Modem |
|
Chip Set |
Unidentified |
|
I/O Options |
25-pin serial port, power, line in, line out, microphone in, speaker jack |
|
Maximum Modem Rate |
56Kbps |
|
Maximum Fax Rate |
14.4Kbps |
|
Data Modulation Protocol |
Bell 103/212A ITU-T V.22, V.22bis, V.32ter, V.32bis, V.34, K56flex |
|
Fax Modulation Protocol |
ITU-T V.17, V.27ter, V.29 |
|
Error Correction/Compression |
MNP5, V.42, V.42bis |
|
Fax Class |
Unidentified |
|
Data Bus |
External |
|
CONNECTIONS | ||||||
|
Function |
Label |
Function |
Label | |||
|
Line in (RJ-11) |
CN1 |
Microphone in |
CN5 | |||
|
Line out (RJ-11) |
CN2 |
Speaker jack |
CN6 | |||
|
25-pin serial port |
CN3 |
Power switch |
SW1 | |||
|
Power jack |
CN4 | |||||
|
USER CONFIGURABLE SETTINGS | ||
|
Function |
Label |
Position |
|
í Stereo speaker mode enabled |
J8 |
Closed |
|
Mono speaker mode enabled |
J8 |
Open |
|
í Dial mode enabled |
J10 |
Pins 2 & 3 closed |
|
Leased line enabled |
J10 |
Pins 1 & 2 closed |
|
í Answer mode mode enabled |
J11 |
Pins 2 & 3 closed |
|
Originate mode enabled |
J11 |
Pins 1 & 2 closed |
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
TD |
Unidentified |
Blinking |
Modem transmitting data |
|
TD |
Unidentified |
Off |
Modem not transmitting data |
|
RD | Unidentified |
Blinking |
Modem is receiving data |
|
RD |
Unidentified |
Off |
Modem is not receiving data |
|
CD |
Unidentified |
On |
Carrier signal detected |
|
CD |
Unidentified |
Off |
Carrier signal not detected |
|
56 |
Unidentified |
On |
Modem connected in K56flex or V.PCM mode |
|
56 |
Unidentified |
Off |
Modem is not connected in K56flex or V.PCM mode |
|
33 |
Unidentified |
On |
Modem connected in V.34 mode at speeds up to 33.6Kbps |
|
33 |
Unidentified |
Off |
Modem is not connected in V.34 mode at speeds up to 33.6Kbps |
|
14 |
Unidentified |
On |
Modem connected in V.32bis mode at 14.4Kbps |
|
14 |
Unidentified |
Off |
Modem is not connected in V.32bis mode at 14.4Kbps |
|
OH |
Unidentified |
On |
Modem is on-hook |
|
OH |
Unidentified |
Off |
Modem is off-hook |
|
TR | Unidentified |
On |
DTR signal is high |
|
TR |
Unidentified |
Off |
DTR signal is low |
|
EC |
Unidentified |
On |
Modem is set for V.42 error compression |
|
EC |
Unidentified |
Off |
Modem is not set for V.42 error compression |
|
EC |
Unidentified |
Blinking |
Data compression enabled |
|
FX | Unidentified |
On |
Modem is in Fax mode |
|
FX |
Unidentified |
Off |
Modem is not in Fax mode |
|
SUPPORTED COMMAND SET |
|
Basic AT Commands |
|
AT, ‘+++’, A/ |
|
A, E, F, H, M, O, P, Q, T, V, W, Y |
|
&C, &F, &G, &V, &Z |
|
Extended AT Commands |
|
\A, \B, \J, \K, \T, \X |
|
Special Commands |
|
-C |
|
S Registers |
|
S0, S1, S2, S3, S4, S5, S6, S7, S8, S10, S11 |
|
Note: See MHI Help File for full command documentation. |
Proprietary AT Command Set
|
AUTO-MODE DETECTION | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] Nn [cmds] |
|
Description: |
Selects various options for the automatic detection and negotiation of protocols during the handshake process if the modem is communicating with a remote modem of dissimilar speed. |
|
Command |
Function |
|
N0 |
In originate mode, handshake begins at line speed designated by the S37 register and the B command |
|
í N1 |
In originate mode, handshake begins at line speed designated by the S37 register. and the B command Modem can shift to a slower speed if necessary. |
|
AUXILLARY RELAY CONTROL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &J [cmds] |
|
Description: |
Controls auxiliary relay |
|
Command |
Function |
|
&J0 |
Auxiliary relay remains open |
|
COMMUNICATION PROTOCOLS | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] Bn [cmds] |
|
Description: |
Selects the communication protocol for data calls |
|
Command |
Protocol |
|
B0 |
Modem will use ITU-T V.22 at 1200bps. |
|
B1 |
Modem will use Bell 212A at 1200bps. |
|
B2 |
ITU-T V.23 reverse channel disabled |
|
B3 |
ITU-T V.23 reverse channel disabled |
|
B15 |
Modem will use ITU-T V.21 at 300bps. |
|
B16 |
Modem will use Bell 103J at 300bps. |
|
COMMUNICATIONS MODE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Mn [cmds] |
|
Description: |
Selects communications mode |
|
Command |
Mode |
|
&M0 |
Asynchronous mode |
|
COMMUNICATIONS MODE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Qn [cmds] |
|
Description: |
Selects communications mode options |
|
Command |
Mode |
|
&Q0 |
Asynchronous mode, serial port speed follows connect speed. |
|
í &Q5 |
Error correction mode |
|
&Q6 |
Buffered asynchronous mode |
|
&Q8 |
MNP error correction mode. Fallback according to register S36 |
|
&Q9 |
V.42 or MNP error correction mode. Fallback according to register S36 |
|
DATA SET READY (DSR) | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Sn [cmds] |
|
Description: |
Selects DSR options |
|
Command |
Function |
|
&S0 |
DSR forced high |
|
&S1 |
DSR high only while modem is connected |
|
DATA TERMINAL READY (DTR) | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Dn [cmds] |
|
Description: |
Selects modem response to DTR |
|
Command |
Function |
|
&D0 |
Modem does not respond to DTR |
|
&D1 |
Modem goes to command mode after DTR goes is off |
|
í &D2 |
Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled. |
|
&D3 |
Modem is initialized after DTR goes off |
|
DIAL | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] D<#> [cmds] |
|
Description: |
Dials telephone number according to any modifiers included in the string |
|
Note: |
Any combination of modifiers can be used to produce the desired dial functions in sequence. |
|
Command |
Function |
|
DL |
Re-dial last number |
|
DP |
Pulse dialing enabled |
|
DS=n |
Dial stored telephone number n |
|
DT |
Tone dialing enabled/Pulse dialing disabled |
|
DW |
Dialing resumed following dial tone detection |
|
D, |
Dialing paused for amount of time specified in S8 register |
|
D! |
Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook. |
|
D@ |
Wait for quiet Answer function enabled. Modem waits until a "quiet answer," a ring-back signal followed by silence up to the time specified in S7, is received prior to executing the rest of the dial string. |
|
D; |
Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. |
|
D$ |
Calling card "Bong" detection enabled |
|
DV |
Switch to speakerphone |
|
D^ |
Data calling tone transmission disabled |
|
FLOW CONTROL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Kn [cmds] |
|
Description: |
Enables flow control options |
|
Command |
Function |
|
&K0 |
Flow control disabled |
|
í &K3 |
RTS to CTS flow control enabled |
|
&K4 |
XON/XOFF flow control enabled |
|
ON-LINE | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] On |
|
Description: |
Instructs the modem to return to on-line state. |
|
Command |
Function |
|
O0 |
Return to on-line state. |
|
O1 |
Return to on-line state and initiate retrain sequence. |
|
O3 |
Return to on-line state and initiate renegotiation sequence. |
|
REPORT INFORMATION | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] In [cmds] |
|
Description: |
Displays information requested |
|
Command |
Function |
|
I0 |
Reports default speed and controller firmware code |
|
I1 |
Reports ROM checksum |
|
I2 |
Tests and reports ROM checksum |
|
I3 |
Reports default speed and controller firmware code |
|
I4 |
Reports data pump model and revision code |
|
I5 |
Reports board ID: software version, hardware version, & country ID |
|
I9 |
Reports country code |
|
I11 |
Reports diagnostic information for the last modem connection |
|
RESTORE PROFILE ON POWER-UP | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Yn [cmds] |
|
Description: |
Restores a selected profile into the active profile on power-up (hard reset) |
|
Command |
Function |
|
&Y0 |
Restore profile 0 on power-up |
|
RESULT CODES | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] Qn [cmds] |
|
Description: |
Enables modem to send result codes to the DTE |
|
Command |
Function |
|
Q0 |
Result code sending enabled |
|
Q1 |
Result code sending disabled |
|
Q2 |
Returns OK for backward compatibility |
|
SELECT CALL PROGRESS RESULT CODES | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] Xn [cmds] |
|
Description: |
Enables selection of tone detection and associated result code format options |
|
Command |
Function |
|
X0 |
Busy and dial tone detection disabled; basic result codes enabled. |
|
X1 |
Busy and dial tone detection disabled; extended result codes enabled. |
|
X2 |
Busy tone detection disabled, dial tone detection enabled; extended result codes enabled. |
|
X3 |
Busy tone detection enabled, dial tone detection disabled; extended result codes enabled. |
|
í X4 |
Busy and dial tone detection disabled; extended result codes enabled. |
|
X5 |
Busy and dial tone detection disabled; extended result codes enabled. |
|
X6 |
Busy and dial tone detection disabled; extended result codes enabled. |
|
X7 |
Busy and dial tone detection disabled; basic result codes enabled. |
|
SOFT RESET | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] Zn [cmds] |
|
Description: |
Restores modem profiles previously saved in non-volatile RAM using the &W command. |
|
Command |
Function |
|
Z0 |
Restore setting to profile saved by last &W command |
|
Z1 |
Restore setting to profile saved by last &W command |
|
SPEAKER VOLUME | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] Ln [cmds] |
|
Description: |
Controls speaker volume |
|
Command |
Function |
|
L0 |
Low volume setting |
|
L1 |
Low volume setting |
|
L2 |
Medium volume setting |
|
L3 |
Highest volume setting |
|
STORE ACTIVE PROFILE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Wn [cmds] |
|
Description: |
Writes the values for the active profile into the non-volatile RAM |
|
Command |
Function |
|
&W0 |
Write the active profile to NVRAM |
|
&W1 |
Clears user default settings from NVRAM |
|
TEST MODES | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] &Tn |
|
Description: |
Selects test options |
|
Command |
Function |
|
&T0 |
End current test |
|
&T1 |
Begin local analog loopback test |
|
&T3 |
Begin local digital loopback |
|
&T6 |
Request remote digital loopback |
|
TRANSMIT CARRIER | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] Cn [cmds] |
|
Description: |
Controls the transmit carrier switching |
|
Command |
Function |
|
C1 |
Transmit carrier enabled |
|
V.32 - AUTO-RETRAIN | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Bn [cmds] |
|
Description: |
Controls auto-retrain function if poor line quality is detected |
|
Command |
Function |
|
&B1 |
Auto-retrain enabled if line quality is poor |
Extended AT Commands
|
AUTO-FALLBACK/FALL-FORWARD | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] %En [cmds] |
|
Description: |
Controls auto-retrain mode and fallback/fall-forward |
|
Command |
Function |
|
%E0 |
Auto-fallback/fall-forward disabled |
|
%E1 |
Auto-fallback enabled; fall-forward disabled |
|
í %E2 |
Auto-fallback/fall-forward enabled |
|
COMPRESSION | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] %Cn [cmds] |
|
Description: |
Selects data compression |
|
Command |
Function |
|
%C0 |
Data compression disabled |
|
%C1 |
V.42bis/MNP5 enabled |
|
CONNECT MODE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Nn [cmds] |
|
Description: |
Controls the type of connection the modem will operate in |
|
Command |
Function |
|
\N0 |
Normal mode enabled |
|
\N1 |
Direct mode enabled |
|
\N2 |
MNP reliable mode enabled |
|
í \N3 |
V.42/MNP auto-reliable mode enabled |
|
\N4 |
V.42 reliable mode enabled |
|
\N5 |
V.42/MNP auto-reliable mode enabled |
|
\N7 |
V.42/MNP auto-reliable mode enabled |
|
DISPLAY BLACKLIST NUMBERS | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] %B [cmds] |
|
Description: |
Displays the list of all the numbers on the blacklist. Returns ERROR if blacklisting is disabled. |
|
EXTENDED RESULT CODES | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Vn [cmds] |
|
Description: |
Selects extended result codes |
|
Command |
Function |
|
\V0 |
Extended result codes disabled |
|
í \V1 |
Extended result codes enabled |
|
\V2 |
Extended result codes enabled |
|
FLOW CONTROL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Gn [cmds] |
|
Description: |
Command nonfunctional; for compatibility purposes only |
|
Command |
Function |
|
\G0 |
Returns OK for backward compatibility |
|
FLOW CONTROL TYPE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Qn [cmds] |
|
Description: |
Sets type of flow control used by modem |
|
Command |
Function |
|
\Q0 |
Flow control disabled |
|
\Q1 |
Bi-directional XON/XOFF flow control enabled |
|
í \Q3 |
Bi-directional RTS/CTS flow control enabled |
Special Commands
|
11-BIT PARITY | |
|
Type: |
Configuration |
|
Format |
AT [cmds] #Pn [cmds] |
|
Description: |
Sets the 11-bit parity options |
|
Command |
Function |
|
#P0 |
No parity enabled |
|
#P0 |
Odd parity enabled |
|
í #P2 |
Even parity enabled |
|
ASYNCHRONOUS WORD LENGTH | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] $EBn [cmds] |
|
Description: |
Selects word length in asynchronous mode |
|
Command |
Function |
|
$EB0 |
10-bit word length enabled |
|
$EB1 |
11-bit word length enabled |
|
ASYNCHRONOUS WORD LENGTH | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] +ES=n [cmds] |
|
Description: |
Allows an H.324 video application direct access to the synchronous data channel. +ES=? Shows allowable value (6) +ES? Queries setting |
|
Command |
Function |
|
+ES=6 |
Allows an H.324 video application direct access to the synchronous data channel |
|
CALLBACK ATTEMPTS | |
|
Type: |
Configuration |
|
Format |
AT [cmds] #CBAn [cmds] |
|
Range: |
1-255 |
|
Default: |
4 |
|
Unit: |
1 callback |
|
Description: |
Sets the number of callback attempts allowed after passwords have been exchanged between modems |
|
CALLBACK DELAY | |
|
Type: |
Configuration |
|
Format |
AT [cmds] #CBDn [cmds] |
|
Range: |
0-255 |
|
Default: |
15 |
|
Unit: |
1 second |
|
Description: |
Sets the length of time that the modem waits before calling back the remote modem |
|
CALLBACK FAILED ATTEMPT DISPLAY | |
|
Type: |
Immediate |
|
Format |
AT [cmds] #CBF? [cmds] |
|
Description: |
Requests the number of failed callback passwords since reset power-up. Number may be stored in NVRAM using &W command |
|
CALLBACK FAILED ATTEMPT RESET | |
|
Type: |
Immediate |
|
Format |
AT [cmds] #CBFR [cmds] |
|
Description: |
Resets number of failed callback passwords to zero. Does not reset number stored in NVRAM using &W command |
|
CALLBACK INACTIVITY TIMER - LOCAL | |
|
Type: |
Configuration |
|
Format |
AT [cmds] #CBIn [cmds] |
|
Range: |
0-255 |
|
Default: |
20 |
|
Unit: |
1 minute |
|
Description: |
Sets the length of time that the modem waits for a command before requiring the user to reenter the setup password |
|
CALLBACK PARITY | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] #CBPn [cmds] |
|
Description: |
Sets the parity for callback security messages |
|
Command |
Function |
|
í #CBP0 |
No parity enabled |
|
#CBP1 |
Odd parity enabled |
|
#CBP2 |
Even parity enabled |
|
CALLBACK SECURITY ENABLE/DISABLE | |
|
Type: |
Configuration |
|
Format |
AT [cmds] #CBSn [cmds] |
|
Description: |
Enables/disables local and remote callback security |
|
Command |
Function |
|
í #CBS0 |
Callback security disabled |
|
#CBS1 |
Local and remote callback security enabled |
|
#CBS2 |
Remote callback security enabled |
|
#CBS3 |
Callback security disabled until local hangup or reset |
|
CALLBACK SECURITY RESET | |
|
Type: |
Configuration |
|
Format |
AT [cmds] #CBRn [cmds] |
|
Range: |
0-29 |
|
Description: |
Clears the password and phone number in memory location (n) |
|
COMMAND RESPONSE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] %DCn [cmds] |
|
Description: |
Enables/disables AT command response function |
|
Command |
Function |
|
%DC0 |
Modem responds to AT commands |
|
%DC1 |
Modem ignores AT commands |
|
DTR DIALING | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] $Dn [cmds] |
|
Description: |
Enables/disables DTR dialing |
|
Command |
Function |
|
$D0 |
DTR dialing disabled |
|
$D1 |
DTR dialing enabled |
|
ENTER SETUP PASSWORD | |
|
Type: |
Configuration |
|
Format |
AT [cmds] #Sn [cmds] |
|
Range: |
1-8 |
|
Unit: |
ASCII character string (case sensitive) |
|
Description: |
Enters remote configuration setup password. Default password is MTSMODEM |
|
ESCAPE SEQUENCE - REMOTE | |
|
Type: |
Immediate |
|
Format: |
%%%AT [cmds] <CR> |
|
Description: |
Initiates remote configuration mode while on-line with remote modem. The remote configuration escape character is defined by register S13 |
|
SPEAKER CODEC LOOPBACK | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &&S [cmds] |
|
Description: |
Provides aloopbcak from the microphone to the speaker. |
|
Description: |
For testing and debugginh purposes only |
|
STORE CALLBACK PASSWORD | |
|
Type: |
Configuration |
|
Format |
AT [cmds] #CBNn=x [cmds] |
|
Range (n): |
0-29 |
|
Range (x): |
6-10 |
|
Unit (x): |
ASCII character string (excluding +or -) |
|
Description: |
Sets callback security password (x) for the memory location (n) |
|
STORE SETUP PASSWORD | |
|
Type: |
Configuration |
|
Format |
AT [cmds] #S=n [cmds] |
|
Range: |
1-8 |
|
Unit: |
ASCII character string (case sensitive) |
|
Description: |
Stores a new remote configuration setup password. Default password is MTSMODEM |
S(STATUS) -REGISTERS
|
56K DCE LINE SPEED | |
|
Type: |
Register |
|
Format |
AT [cmds] S38=n [cmds] |
|
Description: |
Sets the maximum allowable 56K downstream rate attempted during handshake process. |
|
Command |
Function |
|
S38=0 |
56K disabled |
|
S38=1 |
56K automatic speed select |
|
S38=2 |
32.0Kbps |
|
S38=3 |
34.0Kbps |
|
S38=4 |
36.0Kbps |
|
S38=5 |
38.0Kbps |
|
S38=6 |
40.0Kbps |
|
S38=7 |
42.0Kbps |
|
S38=8 |
44.0Kbps |
|
S38=9 |
46.0Kbps |
|
S38=10 |
48.0Kbps |
|
S38=11 |
50.0Kbps |
|
S38=12 |
52.0Kbps |
|
S38=13 |
54.0Kbps |
|
S38=14 |
56.0Kbps |
|
56K DIGITAL LOSS | |||
|
Type: |
Register | ||
|
Format: |
AT [cmds] S108=n [cmds] | ||
|
Description: |
Selects the 56Kbps digital loss if using the modem thru a PBX line | ||
|
Command |
Function | ||
|
S108=0 |
-0dB digital loss; robbed bit signaling disabled | ||
|
S108=1 |
-3dB PBX digital loss | ||
|
S108=2 |
-2dB digital loss | ||
|
S108=3 |
-3dB digital loss | ||
|
í S108=6 |
-6dB digital loss | ||
|
S108=7 |
-0dB digital loss; robbed bit signaling enabled | ||
|
BACKSPACE CHARACTER | |
|
Type: |
Register |
|
Format |
AT [cmds] S5=n [cmds] |
|
Range: |
0-127 |
|
Unit: |
ASCII |
|
Description: |
Selects a character used for backspace <BS> |
Note: A value greater than 32 will disable backspace | |
|
DCE LINE SPEED | |
|
Type: |
Register |
|
Format |
AT [cmds] S37=n [cmds] |
|
Description: |
Sets the maximum allowable data exchange rate attempted during handshake process. |
|
Command |
Function |
|
S37=0 |
Maximum speed |
|
S37=1 |
Reserved |
|
S37=2 |
1200/75bps |
|
S37=3 |
300bps |
|
S37=4 |
Reserved |
|
S37=5 |
1200bps |
|
S37=6 |
2400bps |
|
S37=7 |
4800bps |
|
S37=8 |
7200bps |
|
S37=9 |
9600bps |
|
S37=10 |
12.0Kbps |
|
S37=11 |
14.4Kbps |
|
S37=12 |
16.8Kbps |
|
S37=13 |
19.2Kbps |
|
S37=14 |
21.6Kbps |
|
S37=15 |
24.0Kbps |
|
S37=16 |
26.4Kbps |
|
S37=17 |
28.8Kbps |
|
S37=18 |
31.2Kbps |
|
S37=19 |
33.6Kbps |
|
DIALING DELAY | |
|
Type: |
Register |
|
Format |
AT [cmds] S6=n [cmds] |
|
Range: |
2-65 |
|
Unit: |
1 second |
|
Description: |
Duration of delay after modem goes off-hook and before dialing |
|
ERROR CORRECTION NEGOTIATION | |||
|
Type: |
Register | ||
|
Format |
AT [cmds] S36=n [cmds] | ||
|
Description: |
Selects the action of the modem if it fails to connect when error control is selected. | ||
|
Command |
S48=7 |
S48=128 | |
|
S36=0 |
LAPM or hang-up |
Not used | |
|
S36=1 |
LAPM or Asynchronous |
Asynchronous | |
|
S36=2 |
LAPM or hang-up |
Not used | |
|
S36=3 |
LAPM or Asynchronous |
Asynchronous | |
|
S36=4 |
LAPM, MNP, or hang-up |
MNP or hang-up | |
|
S36=5 |
LAPM, MNP, or Asynchronous |
MNP or Asynchronous | |
|
S36=6 |
LAPM, MNP, or hang-up |
MNP or hang-up | |
|
S36=7 |
LAPM, MNP, or Asynchronous |
MNP or Asynchronous | |
|
ESCAPE CHARACTER | |
|
Type: |
Register |
|
Format |
AT [cmds] S9=n [cmds] |
|
Range: |
1-127 |
|
Unit: |
ASCII |
|
Description: |
Sets ASCII code for remote configuration escape character |
|
FEATURE NEGOTIATION | ||
|
Type: |
Register | |
|
Format: |
AT [cmds] S48=n [cmds] | |
|
Range: |
7, 128 | |
|
Description: |
Selects active error correction and compression protocols. See S36, error correction negotiation table | |
|
INACTIVITY TIMER | |
|
Type: |
Register |
|
Format |
AT [cmds] S30=n [cmds] |
|
Range: |
0-255 |
|
Unit: |
1 minute |
|
Description: |
Maximum duration of DTE and DCE inactivity allowed prior to initiating hang-up process. |
Note: S30=0 disables the timer and allows indefinite inactivity. | |
|
INACTIVITY TIMER | |
|
Type: |
Register |
|
Format: |
AT [cmds] S89=n [cmds] |
|
Range: |
0, 5-255 |
|
Unit: |
1 second |
|
Description: |
Sets the length of time that the modem does not receive information before it disconnects; S89=0 will disable. |
|
NO CARRIER TIME-OUT | |
|
Type: |
Register |
|
Format |
AT [cmds] S7=n [cmds] |
|
Range: |
1-255 |
|
Unit: |
1 second |
|
Description: |
Maximum wait time the modem uses after dialing to detect a carrier signal from the remote modem for both originating and answering calls. |
|
PAUSE DURATION | |
|
Type: |
Register |
|
Format |
AT [cmds] S8=n [cmds] |
|
Range: |
0-65 |
|
Unit: |
1 second |
|
Description: |
Duration of pause per comma (,) command used in a command or dial string |
|
TONE PULSE DURATION | |
|
Type: |
Register |
|
Format |
AT [cmds] S11=n [cmds] |
|
Range: |
50-150 |
|
Unit: |
1 ms |
|
Description: |
DTMF tone pulse duration and time between tone pulses for tone dialing operations. |
|
V.25 CALLING TONE | |
|
Type: |
Register |
|
Format |
AT [cmds] S35=n [cmds] |
|
Range: |
0-1 |
|
Unit: |
Decimal |
|
Description: |
Enables V.25 data calling tone, which allows remote data/fax/voice discrimination |
Note: S35=0 disables V.25 data calling tone. | |
|
V.34 MODULATION | |
|
Type: |
Register |
|
Format |
AT [cmds] S28=n [cmds] |
|
Range: |
0-255 |
|
Unit: |
Decimal |
|
Description: |
Enables V.34 modulation |
Note: S28=0 disables V.34 modulation. | |
|
V32bis STARTUP MODE | |
|
Type: |
Register |
|
Format |
AT [cmds] S43=n [cmds] |
|
Range: |
0-1 |
|
Unit: |
Decimal |
|
Description: |
Enables V.32bis start-up auto mode operation |
Note: S43=0 disables V.32bis start-up auto mode. For testing purposes only. | |
|
V32bis, V.22bis AUTO RATE | |
|
Type: |
Register |
|
Format |
AT [cmds] S42=n [cmds] |
|
Range: |
0-1 |
|
Unit: |
Decimal |
|
Description: |
Enables V.32bis and V.22bis auto rate |
Note: S42=0 disables V.32bis and V.22bis auto rate. For testing purposes only. | |
