RAD DATA COMMUNICATIONS
SRM-8H (RJ-45)
Card Type | Short Range Modem |
Chip Set | Unidentified |
I/O Options | 25-pin DTE port, RJ-45 connector, terminal block |
Wiring Type | Unshielded twisted pair |
Maximum Data Rate | 64Kbps |
Data Bus | External |
CONNECTIONS | ||||||
Function | Label | Function | Label | |||
DTE serial port (25-pin connector) | CN1 | Terminal block | CN3 | |||
RJ-45 connector | CN2 |
USER CONFIGURABLE SETTINGS | ||
Setting | Label | Position |
í 64Kbps connection speed enabled | SW2/4 | Off |
56Kbps connection speed enabled | SW2/4 | On |
í Asynchronous stop bit shortening set to 25% | SW2/5 | Off |
Asynchronous stop bit shortening set to 12.5% | SW2/5 | On |
í Carrier forced high | SW3/2 | On |
Carrier follows RTS signal | SW3/2 | Off |
í DTE control of analog loop disabled | SW3/3 | Off |
DTE control of analog loop enabled | SW3/3 | On |
í DTE control of remote digital loop disabled | SW3/4 | Off |
DTE control of remote digital loop enabled | SW3/4 | On |
LOOPBACK TEST SELECTOR | |
Function | SW1 |
Activates local analog loopback | 1 |
Normal operation. Loopback not activated | 2 |
Remote digital loopback initiated | 3 |
TRANSMIT CLOCK SOURCE | |||
Source | SW2/1 | SW2/2 | SW2/3 |
í Transmit clock generated internally | Off | Off | Off |
Transmit clock derived from receive line signal | Off | Off | On |
Transmit clock derived from terminal interface | On | Off | Off |
Asynchronous mode enabled | Off | On | Off |
CHARACTER LENGTH (ASYNC MODE) | ||
Setting | SW2/6 | SW3/1 |
8 bits | Off | Off |
9 bits | Off | On |
í 10 bits | On | Off |
11 bits | On | On |
DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
PWR | Green | On | Power is on |
PWR | Green | Off | Power is off |
TST | Red | On | Device is conducting a loopback test |
TST | Red | Off | Device is not conducting a loopback test |
CD | Yellow | On | Carrier signal high |
CD | Yellow | Off | Carrier signal low |
TD | Yellow | On | Device is transmitting data |
TD | Yellow | Off | Device is not transmitting data |