RAD DATA COMMUNICATIONS
ASM-11
|
Modem Type |
Data (synchronous/asynchronous) |
|
Maximum Data Rate |
19.2Kbps |
|
Data Bus |
External |
|
Data Modulation Protocol |
Proprietary |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Line in |
CN1 |
Fuse |
FUSE |
|
RS-232/422 |
CN2 |
ANA/NOR/REM switch |
SW1 |
|
AC power |
CN3 | ||
|
AGC | |
| Setting |
JP10 |
| Forced high |
Pins 2 & 3 closed |
| Normal |
Pins 1 & 2 closed |
|
ANALOG LOOPBACK | |
| Setting |
JP6 |
| Enabled |
Pins 1 & 2 closed |
| Disabled |
Pins 2 & 3 closed |
|
ASYNCHRONOUS LENGTH - bits | ||
| Setting |
SW3/S3 |
SW3/S4 |
| 8bits |
Off |
Off |
| 9bits |
Off |
On |
| 10bits |
On |
Off |
| 11bits |
On |
On |
|
ASYNCHRONOUS LENGTH - Characters | |
| Setting |
SW3/S2 |
| 12.5% |
Off |
| 25% |
On |
|
BAUD RATE | |
| Setting |
SW2 |
| 19.2Kbps |
0 |
| 14.4Kbps |
1 |
| 9600bps |
2 |
| 7200bps |
3 |
| 4800bps |
4 |
| 3600bps |
5 |
| 2400bps |
6 |
| 1200bps |
7 |
|
CD SIGNAL | |
| Setting |
JP2 |
| CD normal |
Pins 1 & 2 closed |
| CD forced high |
Pins 2 & 3 closed |
|
CHASSIS TO SIGNAL GROUND | |
| Setting |
JP9 |
| Connected |
Pins 1 & 2 closed |
| Disconnected |
Pins 2 & 3 closed |
|
ENABLE TOGGLE SWITCH | |
| Setting |
JP8 |
| ANA, REM enabled |
Pins 2 & 3 closed |
| Disabled |
Pins 1 & 2 closed |
|
RECEIVE IMPEDANCE | |
| Setting |
JP5 |
| 150 Omhs |
Pins 2 & 3 closed |
| High |
Pins 1 & 2 closed |
|
REMOTE LOOPBACK | |
| Setting |
JP7 |
| Enabled |
Pins 1 & 2 closed |
| Disabled |
Pins 2 & 3 closed |
|
RTS/CTS DELAY | |||
| Setting |
JP1/A |
JP1/B |
JP1/C |
| 0ms |
Closed |
Open |
Open |
| 8ms |
Open |
Closed |
Open |
| 64ms |
Open |
Open |
Closed |
|
TRANSMIT IMPEDANCE | |
| Setting |
JP4 |
| 150omhs |
Pins 2 & 3 closed |
| Low |
Pins 1 & 2 closed |
|
TRANSMIT LEVEL | |
|
Setting |
JP3 |
| 0dBm |
Pins 1 & 2 closed |
| -6dBm |
Pins 2 & 3 closed |
|
USER CONFIGERABLE SETTINGS | ||
|
Function |
Jumper/Switch |
Position |
|
Factory configured - Do not alter |
SW3/S1 |
Not used |
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
PWR |
Green |
On |
Power is on |
|
PWR |
Green |
Off |
Power is off |
|
RTS |
Yellow |
On |
Request to Send enabled |
|
RTS |
Yellow |
Off |
Request to Send disabled |
|
TD |
Yellow |
On |
Modem is transmitting steady SPACE |
|
TD |
Yellow |
Off |
Modem is not transmitting data |
|
TD |
Yellow |
Blinking |
Modem is transmitting data |
|
RD |
Yellow |
On |
Modem is receiving steady SPACE |
|
RD |
Yellow |
Off |
Modem is not receiving data |
|
RD |
Yellow |
Blinking |
Modem is receiving data |
|
DCD |
Yellow |
On |
Carrier signal detected |
|
DCD |
Yellow |
Off |
Carrier signal not detected |
|
TEST |
Red |
On |
Modem in test mode |
|
TEST |
Red |
Off |
Modem not in test mode |