U.S. ROBOTICS, INC.
PASSWORD MODEM
Modem Type | Data (synchronous/asynchronous) |
Maximum Data Rate | 1200bps |
Data Bus | External |
Data Modulation Protocol | Bell 103A/212A |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Line in | CN1 | RS-232/422 | CN3 |
DC power | CN2 | Power switch | SW2 |
MULTILINE PHONE INSTALLATION | |
Setting | J1 |
» Single line | Off |
Multiline | On |
CHARACTER LENGTH | |
Setting | J2 |
» 10-bit | Off |
11-bit | On |
TRANSMIT AND RECEIVE SIGNAL | ||
Setting | J3 | J4 |
» Normal pin assignment | Pins 1 & 2 closed | Pins 1 & 2 closed |
Tx/Rx pins reversed | Pins 2 & 3 closed | Pins 2 & 3 closed |
ANLOG LOOPBACK TEST MODE | |
Setting | J5 |
» On | Normal operation |
Off | Analog loopback mode |
AUTO ANSWER | |
Setting | SW1/1 |
» Off | Modem answers on first ring |
On | Modem does not answer on first ring |
CARRIER DETECT | |
Setting | SW1/2 |
» Off | CD normal |
On | CD forced high |
PBX MODE | |
Setting | SW1/3 |
» Off | Normal dial up line equalization |
On | PBX operation |
DTR SIGNAL | |
Setting | SW1/4 |
» Off | DTR normal |
On | DTR forced high |