HAYES MICROCOMPUTER PRODUCTS, INC.
OPTIMA 144B + FAX144
Modem Type |
Data (synchronous/asynchronous)/Fax |
Maximum Data Rate |
14.4Kbps |
Maximum Fax Rate |
14.4Kbps |
Data Bus |
External |
Fax Class |
Class I & II |
Data Modulation Protocol |
Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis |
Fax Modulation Protocol |
V.17, V.27ter, V.29 |
Error Correction/Compression |
MNP2-5, V.42, V.42bis |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Line in |
CN1 |
Line out |
CN2 |
BASE I/O ADDRESS SELECTION | ||
Address |
SW1/1 |
SW1/2 |
COM1: |
On |
On |
COM2: |
On |
Off |
COM3: |
Off |
On |
COM4: |
Off |
Off |
HAYES ESP™ MODE | ||
Mode |
SW1/3 |
SW1/4 |
16450 UART mode |
On |
On |
16550 UART mode |
On |
Off |
16550 UART with hardware flow control |
Off |
On |
Disabled |
Off |
Off |
BASE I/O ADDRESS SELECTION | ||
Address |
JP1 |
JP2 |
180h |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
188h |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
250h |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
258h |
Pins 1 & 2 closed |
Pins 1 & 2 closed |