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 |