PRACTICAL PERIPHERALS, INC.
PM9600HC II
Modem Type | Data (synchronous/asynchronous)/Fax |
Maximum Data Rate | 9600bps |
Maximum Fax Rate | 9600bps |
Data Bus | 8-bit ISA |
Fax Class | Class I & II |
Data Modulation Protocol | Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.32 |
Fax Modulation Protocol | ITU-T V.27ter, V.29 |
Error Correction/Compression | MNP5, V.42, V.42bis |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Line out | CN1 | Line in | CN2 |
BASE I/O ADDRESS SELECTION | ||
Address | SW1/1 | SW1/2 |
COM1: (3F8h) | On | On |
COM2: (2F8h) | On | Off |
COM3: (3E8h) | Off | On |
COM4: (2E8h) | Off | Off |
INTERRUPT SELECTION | |||
| IRQ | JP1 pins 1 & 2 | JP1 pins 3 & 4 | JP1 pins 5 & 6 |
| » 3/4 | Closed | Open | Open |
| 2 | Open | Closed | Open |
| 5 | Open | Open | Closed |
Proprietary AT Command Set
REDIAL | |
Type: | Immediate |
Format: | AT [cmds] DL |
Example: | AT M1 DL <CR> |
Description: | Redials the last number dialed. |
REPORT INFORMATION | |
Type: | Immediate |
Format: | AT [cmds] In [cmds] |
Example: | AT I1 &W <CR> |
Description: | Displays modem properties. |
| Command | Function |
I0 | Reports modem model and speed. |
I1 | Reports checksum number. |
I2 | Reports checksum result. |
I3 | Reports firmware version. |
I4 | Reports current command settings. |
V.22 PROBE REJECT TIME | |
Type: | Register |
Format: | AT [cmds] S97=n [cmds] |
Example: | ATS97=15 <CR> |
Default: | 30 |
Range: | 15-70 |
Unit: | .1 second |
Description: | Sets the time for which the modem will reject the V.22/V.22bis probe signal when in V.32 mode. |