MAXTECH CORPORATION
PCM228R (RC288P/GEN)
Card Type | Modem/Fax card |
Chip Set | Unidentified |
I/O Options | Line in(RJ-11) |
Maximum Modem Rate | 28.8Kbps |
Maximum Fax Rate | 14.4Kbps |
Data Modulation Protocol | Bell 103/212A TU-T V.21, V.22bis, V.22, V.23, V.32, V.32bis, V.34 |
Fax Modulation Protocol | ITU-T V.27ter, V.29 |
Error Correction/Compression | MNP5, V.42bis, V.42 |
Fax Class | Class I & II |
Data Bus | PCMCIA |
MAXTECH-CORPORATION-Modem-Fax-card-PCM228R-RC288P
SUPPORTED COMMAND SET |
Basic AT Commands |
AT, +++, A/ |
A, B, E, H, M, O, P, Q, T, V, W, X, Y, Z |
&C, &F, &P, &T, &V, &W, &Y, &Z |
Extended AT Commands |
\A, \B, \K, \N |
%C, %L, %Q |
*H, :E |
-K |
#CID |
Special Commands |
+MS |
S Registers |
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S24, S25 |
S26, S27, S29, S30, S31, S32, S33, S36, S37, S39, S40, S41, S46, S48 |
S82, S86, S91, S92, S95, S95 |
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 | Auto-mode detection disabled |
í N1 | Auto-mode detection enabled |
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 | Direct mode enabled |
&Q3 | Hayes autosync mode enabled |
&Q5 | V.42 data mode with fallback options enabled |
&Q6 | Normal mode enabled |
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 handshaking or connected |
DATA TERMINAL READY (DTR) | |
Type: | Configuration |
Format: | AT [cmds] &Dn [cmds] |
Description: | Selects modem response to DTR |
Command | Function |
&D0 | DTR override |
&D1 | DTR toggle causes online command mode |
í &D2 | Normal DTR operations |
&D3 | Resets on receipt of DTR |
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 |
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; | Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. |
FLOW CONTROL | |
Type: | Configuration |
Format: | AT [cmds] &Kn [cmds] |
Description: | Enables flow control options |
Command | Function |
&K0 | Flow control disabled |
í &K3 | RTS/CTS flow control enabled |
&K4 | XON/XOFF flow control enabled |
&K5 | Transparent XON/XOFF flow control enabled |
&K6 | Hardware and software flow control enabled |
GUARD TONE | |
Type: | Configuration |
Format: | AT [cmds] &Gn [cmds] |
Description: | Commands the modem to transmit a guard tone in V.22/V.22bis |
Note: Used primarily for international data transmission | |
Command | Function |
í &G0 | Guard tone disabled |
&G1 | Guard tone disabled |
&G2 | 1800Hz guard tone enabled |
LINE TYPE | |
Type: | Configuration |
Format: | AT [cmds] &Ln [cmds] |
Description: | Selects line type |
Command | Line Type |
&L0 | Switched line (PSTN/Dial-up) |
REPORT INFORMATION | |
Type: | Immediate |
Format: | AT [cmds] In [cmds] |
Description: | Displays information requested |
Command | Function |
I0 | Reports four digit product code |
I1 | Reports ROM checksum |
I2 | Reports internal memory test |
I3 | Reports firmware ID |
I4 | Reports reserved ID |
I6 | Reports data pump version |
RTS/CTS | |
Type: | Configuration |
Format: | AT [cmds] &Rn [cmds] |
Description: | Selects RTS/CTS options |
Command | Function |
&R0 | Reserved |
&R1 | CTS forced high, RTS is ignored. |
SPEAKER VOLUME | |
Type: | Configuration |
Format: | AT [cmds] Ln [cmds] |
Description: | Controls speaker volume |
Command | Function |
L0 | Low volume setting |
L1 | Low volume setting |
í L2 | Medium volume setting |
L3 | Highest volume setting |
EXTENDED AT COMMAND SET
AUTO-RETRAIN | |
Type: | Configuration |
Format: | AT [cmds] %En [cmds] |
Description: | Controls auto-retrain mode and fallback/fall-forward |
Command | Function |
í %E0 | Auto-retrain disabled |
%E1 | Auto-retrain enabled |
MNP10EC | |
Type: | Configuration |
Format: | AT [cmds] -SECn, [cmds] |
Description: | Enable/disable MNP10EC. -SEC? Displays current setting |
Command | Function |
í -SEC0 | MNP10EC disabled |
-SEC1 | MNP10EC enabled |
MNP10 - FALLBACK | |
Type: | Configuration |
Format: | AT [cmds] -Qn [cmds] |
Description: | Allows MNP10 to fall back to speeds slower than 4800bps |
Command | Function |
-Q0 | MNP10 fallback only to 4800bps |
-Q1 | MNP10 fallback to 2400 or 1200bps |
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 |
)M2 | Power level adjustment enabled. Power level stays fixed |
TRANSMISSION LEVEL | |
Type: | Configuration |
Format: | AT [cmds] @Mn [cmds] |
Range: | 11-31 |
Unit: | -1dBm |
Description: | Sets the signal level for transmission |
Command | Function |
@M0 | -26 dBm |
@M1 | -30 dBm |
@M2-@M10 | -10 dBm |
@M11-@M30 | -n dbm |
S (STATUS) REGISTERS
TRANSMISSION LEVEL - CELLULAR | |
Type: | Register |
Format | AT [cmds] S201=n [cmds] |
Range: | 0-63 |
Unit: | Unidentified |
Description: | Sets the signal level for cellular transmission |