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 |