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 |