WESTERMO TELEINDUSTRI AB
MA-21
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 |