WESTERMO TELEINDUSTRI AB
MA-21DC
Card Type | Modem (asynchronous) |
Chip Set | Unidentified |
I/O Options | DC power, RS-232-C, 20 mA current loop via 5-pin terminal block |
Maximum Modem Rate | 19.2Kbps |
Data Modulation Protocol | C/CCITT V.24/V.28 |
Error Correction/Compression | Unidentified |
Data Bus | External |
CONNECTIONS | |||
Function | Label | Function | Label |
Power connector (terminal block) | CN1 | RS-232-C port | CN3 |
Terminal block | CN2 |
USER CONFIGURABLE SETTINGS | ||
Function | Label | Position |
? 115V AC enabled | S5 | On |
230V AC enabled | S5 | Off |
TRANSMITTED SIGNAL SELECTION | ||||
Setting | S1/1 | S1/2 | S1/3 | S1/4 |
?? TD pin 2 | On | Off | Off | Off |
AUX pin 11 | Off | On | Off | Off |
SRS pin 19 | Off | Off | On | Off |
DTR pin 20 | Off | Off | Off | On |
CTS CONRTOL SELECTION | |||||
Setting | S1/5 | S1/6 | S1/7 | S1/8 | S1/9 |
? RTS | On | Off | On | On | Off |
RD | Off | On | Off | On | Off |
Always High | On | Off | Off | On | On |
TRANSMITTER/RECEIVER SELECTION | |||||
Transmitter Setting | Receiver Setting | S2/1 | S2/2 | S2/3 | S2/4 |
? Normal | Normal | On | Off | On | Off |
Inverted | Normal | Off | On | On | Off |
Normal | Inverted | On | Off | Off | On |
Inverted | Inverted | Off | On | Off | On |
RECEIVER ACTIVE/PASSIVE SELECTION | ||||||
Setting | S3/1 | S3/2 | S3/3 | S3/4 | S3/5 | S3/6 |
? Passive | On | On | Off | Off | Off | Off |
Active | Off | Off | On | On | On | On |
TRANSMITTER ACTIVE/PASSIVE SELECTION | ||||||
Setting | S4/1 | S4/2 | S4/3 | S4/4 | S4/5 | S4/6 |
? Passive | On | On | Off | Off | Off | Off |
Active | Off | Off | On | On | On | On |
*DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
LED1 | Unidentified | On | Power is on |
LED1 | Unidentified | Off | Power is off |
LED2 | Unidentified | On | Data is being transmitted |
LED2 | Unidentified | Off | Data is not being transmitted |
LED3 | Unidentified | On | Data is being received |
LED3 | Unidentified | Off | Data is not being received |