APACHE MICRO PERIPHERALS, INC.
APACHE A56SP-R
Card Type | Modem (asynchronous) |
Chip Set | Unidentified |
I/O Options | Speaker out, microphone, line in, line out |
Maximum Modem Rate | 56Kbps |
Maximum Fax Rate | 14.4Kbps |
Data Modulation Protocol | Bell 103/212A ITU-T V.21, V.22bis, V.23, V.32, V.32bis, V.34, V.34+, V.FC, K56flex, V.90 |
Fax Modulation Protocol | ITU-T V.17, V.21 CH2, V.27ter, V.29 |
Error Correction/Compression | MNP5, V.42, V.42bis |
Fax Class | Class I |
Data Bus | 16-bit ISA |
Card Size | Half-length, full-height card |

CONNECTIONS | ||||||
Function | Label | Function | Label | |||
Line out | CN1 | Microphone | CN3 | |||
Line in | CN2 | Speaker out | CN4 | |||
SERIAL PORT ADDRESS | ||
Setting | SW1/5 | SW1/6 |
COM1 (3F8h) | On | On |
COM2 (2F8h) | Off | On |
COM3 (3E8h) | On | Off |
COM4 (2E8h) | Off | Off |
INTERRUPT | ||||||
Setting | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/7 | JP1 |
IRQ 2 | Off | Off | Off | Off | On | Open |
IRQ 3 | Off | Off | Off | On | Off | Open |
IRQ 4 | Off | Off | On | Off | Off | Open |
IRQ 5 | Off | On | Off | Off | Off | Open |
IRQ 7 | On | Off | Off | Off | Off | Open |
IRQ 10 | Off | Off | Off | Off | Off | 2 & 3 |
IRQ 11 | Off | Off | Off | Off | Off | 1 & 2 |
Note: Pins designated are in the closed position | ||||||
SUPPORTED COMMAND SET |
Basic AT Commands |
AT, A/ |
A, B, D, E, H, M, O, P, Q, T, V, W, X, Y, Z |
&C, &D, &M, &P, &Q, &R, &T, &W, &X, &Y, &Z |
Extended AT Commands |
\A, \B, \K, \N |
%C, %E, %L, %Q |
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, S28, S29, S30, S31, S32, S33, S36, S37, S38, S39, S40, S41, S46, S48, S82, S86, |
S91, S92, S95 |
Special Commands |
-K, +MS |
Note: See MHI Help File for full command documentation. |
Proprietary AT Command Set
TRANSMIT CARRIER | |
Type: | Configuration |
Format: | AT [cmds] Cn [cmds] |
Description: | Controls the transmit carrier switching |
Note: Disabling the transmit carrier puts the modem in receive-only mode | |
Command | Function |
í C1 | Return OK message |
LINE MODULATION | |
Type: | Configuration |
Format: | AT [cmds] Fn [cmds] |
Description: | Selects the line modulation |
Note: This command is only supported on older modems | |
Command | Function |
F0 | Auto-detect mode |
í F1 | V.21 or Bell 103 |
F3 | V.23 |
F4 | V.22 or Bell 212A @ 1200bps |
F5 | V.22bis |
F6 | V.32bis or V.32 @ 4800bps |
F7 | V.32bis @ 7200bps |
F8 | V.32bis or V.32 @ 9600bps |
F9 | V.32bis @ 12000bps |
F10 | V.32bis @ 14400bps |
REPORT INFORMATION | |
Type: | Immediate |
Format: | AT [cmds] In [cmds] |
Description: | Displays information requested |
Command | Function |
I0 | Reports product code |
I1 | Reports ROM checksum |
I2 | Reports OK |
I3 | Report firmware revision, model interface type |
I4 | Reports response programmed by an OEM |
I5 | Reports country code |
I6 | Reports modem data pump model and code revision |
I7 | Reports DAA code (W-class only) |
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 |
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 |
N1 | Auto-mode detection enabled |
FACTORY DEFAULT PROFILE | |
Type: | Configuration |
Format: | AT [cmds] &F [cmds] |
Description: | Sets values in active profile to values found in the default profile |
Command | Function |
í &F0 | Restore factory profile 0 |
&F1 | Restore factory profile 1 |
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 |
S-REGISTER RESPONSE | |
Type: | Configuration |
Format: | AT [cmds] &Jn [cmds] |
Description: | This command included for compatibility. It performs no function. |
FLOW CONTROL | |
Type: | Configuration |
Format: | AT [cmds] &Kn [cmds] |
Description: | Enables flow control options |
Command | Function |
&K0 | Flow control disabled |
&K3 | RTS/CTS flow control enabled |
&K4 | XON/XOFF flow control enabled |
&K5 | Transparent XON/XOFF flow control enabled |
&K6 | RTS/CTS and XON/XOFF flow control enabled |
LINE TYPE | |
Type: | Configuration |
Format: | AT [cmds] &Ln [cmds] |
Description: | Selects line type |
Command | Line Type |
í &L0 | Switched line (PSTN/Dial-up) |
DATA SET READY (DSR) | |
Type: | Configuration |
Format: | AT [cmds] &Sn [cmds] |
Description: | Selects DSR options |
Command | Function |
&S0 | DSR forced high |
&S1 | DSR high while modem is handshaking or connected |
CONFIGURATION PROFILES | |
Type: | Immediate |
Format: | AT [cmds] &V [cmds] |
Description: | Displays active and stored configuration profiles |
Command | Function |
&V1 | Display connection statistics |
Extended AT Commands
EXTENDED RESULT CODES | |
Type: | Configuration |
Format: | AT [cmds] \Vn [cmds] |
Description: | Selects extended result codes |
Command | Function |
\V0 | Connect messages are controlled by settings X, W, and S95 |
\V1 | Connect messages are displayed in the single line format |
PLUG AND PLAY SERIAL NUMBER | |
Type: | Immediate |
Format: | AT [cmds] %7 [cmds] |
Description: | Returns the plug & play serial number |
PLUG AND PLAY VENDOR ID | |
Type: | Immediate |
Format: | AT [cmds] %8 [cmds] |
Description: | Returns the plug & play vendor ID and product number |
RPI MODE SELECTION | |
Type: | Configuration |
Format: | AT [cmds] +Hn [cmds] |
Description: | Sets the RPI mode |
Command | Function |
+H0 | RPI/video ready mode disabled |
+H1 | RPI enabled and set DTE speed to 19200bps |
+H2 | RPI enabled and set DTE speed to 38400bps |
+H3 | RPI enabled and set DTE speed to 57600bps |
+H11 | RPI+ mode enabled |
+H16 | Video ready mode enabled |
DISTINCTIVE RING | |
Type: | Immediate |
Format: | AT [cmds] -SDR=n [cmds] |
Description: | Selects the distinctive ring settings |
Command | Function |
-SDR=0 | Distinctive ring disabled |
-SDR=1 | Type 1 enabled |
-SDR=2 | Type 2 enabled |
-SDR=3 | Type 1 and 2 enabled |
-SDR=4 | Type 3 enabled |
-SDR=5 | Type 1 and 3 enabled |
-SDR=6 | Type 2 and 3 enabled |
-SDR=7 | Type 1, 2, and 3 enabled |
MNP10-EC | |
Type: | Configuration |
Format: | AT [cmds] -SECn [cmds] |
Description: | Controls MNP10-EC |
Command | Function |
-SEC0 | MNP10-EC disabled |
-SEC1 | MNP10-EC enabled ans set transmit (TX) level to 0 - 30 |
S(status) -REGISTERS
AUTOSYNC OPTIONS | |
Type: | Register |
Format | AT [cmds] S19=n [cmds] |
Default: | 0 |
Range: | Unidentified |
Description: | Sets the AutoSync option |
AUTOSYNC HDLC ADDRESS | |
Type: | Register |
Format | AT [cmds] S20=n [cmds] |
Default: | 0 |
Range: | 0-255 |
Description: | Sets the AutoSync HDLC address of BSC Sync charactyer |