UNIDENTIFIED
2400 BPS INTERNAL MODEM
|
Card Type |
Modem (asynchronous) |
|
Chip Set |
Unidentified |
|
Maximum Data Rate |
2400bps |
|
Data Bus |
8-bit ISA |
|
Data Modulation Protocol |
Bell 103A/212A ITU-T V.21, V.22, V.22bis |

|
CONNECTIONS | ||||||
|
Function |
Label |
Function |
Label | |||
|
Line out |
CN1 |
Line in |
CN2 | |||
|
SERIAL PORT ADDRESS | ||
|
Setting |
JP1/A |
JP1/B |
|
COM1 (3F8h) |
Closed |
Closed |
|
í COM2 (2F8h) |
Open |
Closed |
|
COM3 (3E8h) |
Closed |
Open |
|
COM4 (2E8h) |
Open |
Open |
|
INTERRUPT | ||
|
Setting |
JP1/C |
JP1/D |
|
í 3 |
Open |
Closed |
|
4 |
Closed |
Open |
Proprietary AT Command Set
|
BIT MAPPED REGISTERS | |
|
Register |
Default |
|
S14 |
Unidentified |
|
S16 |
Unidentified |
|
S21 |
Unidentified |
|
S22 |
Unidentified |
|
S23 |
Unidentified |
|
S27 |
Unidentified |