ZOOM TELEPHONICS, INC.
PCMCIA 14400
Card Type | Fax, Modem (asynchronous) |
Chip Set | Unidentified |
Maximum Data Rate | 14.4Kbps |
Maximum Fax Rate | 14.4Kbps |
Data Bus | PCMCIA Type II |
Fax Class | Class I & II |
Data Modulation Protocol | Bell 103/212A 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 | MNP10, V.42bis |
V1920
Proprietary AT Command Set
AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD | |
Type: | Configuration |
Format: | AT [cmds] %En [cmds] |
Description: | Controls auto-retrain mode and auto-fallback/fall-forward |
Command | Function |
í %E0 | Auto-retrain disabled |
%E1 | Auto-retrain enabled |
%E2 | Auto-fallback/fall-forward enabled |
%E3 | Auto-retrain enabled with fast hang-up |
BIT MAPPED REGISTERS | |
Register | Default |
S14 | Unidentified |
S16 | Unidentified |
S21 | Unidentified |
S22 | Unidentified |
S23 | Unidentified |
S27 | Unidentified |
S28 | Unidentified |
S31 | Unidentified |
S40 | Unidentified |
S41 | Unidentified |
BREAK SEND | |
Type: | Configuration |
Format: | AT [cmds] \Bn [cmds] |
Default: | 3 |
Range: | 1-9 |
Unit: | .1 second |
Description: | Sends break to modem |
BREAK TYPE | |
Type: | Configuration |
Format: | AT [cmds] \Kn [cmds] |
Description: | Configures action of break signal |
COMPRESSION | |
Type: | Configuration |
Format: | AT [cmds] %Cn [cmds] |
Description: | Selects data compression |
Command | Function |
%C0 | Data compression disabled |
%C1 | MNP5 enabled |
%C2 | V.42bis enabled |
í %C3 | MNP5 and V.42bis 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 | Reliable mode enabled |
í \N3 | Auto-reliable mode enabled |
\N4 | LAP-M error correcting only enabled |
\N5 | MNP error correcting only enabled |
DIAL | |
Type: | Immediate |
Format: | AT [cmds] D <#> [cmds] |
Description: | Dials telephone number according to any modifiers included in the string |
Modifier | Function |
L | Redials last number |
P | Pulse dialing enabled |
T | Tone dialing enabled |
W | Dialing resumed following dial tone detection |
, | Dialing paused for amount of time specified in S8 register |
@ | Modem waits for a ring-back signal followed by silence up to 5 second prior to executing the rest of the dial string. |
R | Command recognized and not initiated |
; | Modem returned to command mode after dialing. |
! | Flash function initiated. Goes on-hook for amount of time specified in S29 register |
S=(0-3) | Number in memory location &Zn dialed |
^ | Calling tone enabled, data mode only. |
FLOW CONTROL | |
Type: | Configuration |
Format: | AT [cmds] \Gn [cmds] |
Description: | Selects modem port flow control |
Command | Function |
í \G0 | Flow control disabled |
\G1 | Flow control enabled |
FLOW CONTROL | ||
Type: | Register | |
Format: | AT [cmds] S39=n [cmds] | |
Description: | Select the type of flow control used | |
Command | Function | |
S39=0 | Flow control disabled | |
í S39=3 | Hardware flow control enabled | |
S39=4 | Software flow control enabled | |
S39=5 | Transparent software flow control enabled | |
S39=6 | Both hardware and software flow control enabled |
LINE SIGNAL LEVEL | |
Type: | Immediate |
Format: | AT [cmds] %L [cmds] |
Description: | Returns a value which indicates the received line signal level (-dBm) |
LINE SIGNAL QUALITY | |
Type: | Immediate |
Format: | AT [cmds] %Q [cmds] |
Description: | Returns a value which indicates line signal quality |
MAXIMUM BLOCK SIZE FOR TRANSMISSION | |
Type: | Configuration |
Format: | AT [cmds] \An [cmds] |
Description: | Sets the maximum transmittable block size |
Command | Function |
\A0 | MNP block size is 64 characters |
í \A1 | MNP block size is 128 characters |
\A2 | MNP block size is 192 characters |
\A3 | MNP block size is 256 characters |
MNP - STREAM/BLOCK MODE | |
Type: | Configuration |
Format: | AT [cmds] \Ln [cmds] |
Description: | Selects the transfer mode for MNP link |
Command | Function |
í \L0 | Stream mode for MNP enabled |
\L1 | Block mode for MNP enabled |
MNP10 - EXTENDED SERVICES | |
Type: | Configuration |
Format: | AT [cmds] -Kn [cmds] |
Description: | Selects MNP10 extended services |
Command | Function |
-K0 | MNP10 disabled |
í -K1 | MNP10 enabled |
-K2 | MNP10 enabled on originate mode only |
MNP10 - FALLBACK | |
Type: | Configuration |
Format: | AT [cmds] -Qn [cmds] |
Description: | Allows MNP10 to fall back to speeds slower than 4800bps |
Command | Function |
-Q0 | MNP10 at 2400 and 1200bps disabled |
í -Q1 | MNP10 at 2400 and 1200bps enabled |
MNP10 - LINK NEGOTIATION | |
Type: | Configuration |
Format: | AT [cmds] *Hn [cmds] |
Description: | Sets the speed at which MNP10 link negotiation will occur |
Command | Function |
í *H0 | Link will be negotiated at highest possible speed |
*H1 | Link will be negotiated at 1200bps |
*H2 | Link will be negotiated at 4800bps |
MNP10 - POWER LEVEL ADJUST | |
Type: | Configuration |
Format: | AT [cmds] )Mn [cmds] |
Description: | Controls automatic transmit power level adjustment during MNP 10 link negotiation |
Command | Function |
í )M0 | Power level adjustment disabled |
)M1 | Power level adjustment enabled |
TRANSMISSION LEVEL - CELLULAR | |
Type: | Configuration |
Format: | AT [cmds] @Mn [cmds] |
Default: | 0 |
Range: | 11-31 |
Unit: | -1 dBm |
Description: | Sets the signal level for transmission while in cellular mode |
Command | Function |
@M0 | -26 dBm |
@M1 | -30 dBm |
@M2-@M10 | -10 dBm |
V.32 - COMPROMISE EQUALIZER | |
Type: | Configuration |
Format: | AT [cmds] :En [cmds] |
Description: | Controls V.32 compromise equalizer |
Command | Function |
:E0 | Equalizer disabled |
í :E1 | Equalizer enabled |