WESTERMO TELEINDUSTRI AB
MD-12
|
Card Type |
Modem |
|
Chip Set |
Unidentified |
|
I/O Options |
9-pin serial port (RS-232), terminal blocks (3) |
|
Data Modulation Protocol |
ITU-T V.24/V.28 |
|
Wiring Type |
Unshielded or shielded twisted pair |
|
Maximum Data Rate |
38.4Kbps |
|
Data Bus |
External |

|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
DCE serial port (9 pole terminal block) |
CN1 |
Network interface (4 pole terminal block) |
CN3 |
|
AC power connector (3 pole terminal block) |
CN2 |
9-pin serial port |
CN4 |
|
CARRIER CONTROL | |||
|
Setting |
S1/1 |
S1/2 |
S1/3 |
|
í Carrier forced high |
Off |
On |
Off |
|
Carrier activated by RTS |
Off |
On |
On |
|
Carrier activated by DTR |
On |
Off |
Off |
|
Carrier activated by DTR & RTS |
On |
Off |
On |
|
CLEAR TO SEND CONTROL | |||
|
Setting |
S1/4 |
S1/5 |
S1/6 |
|
í CTS controlled by RTS |
On |
Off |
Off |
|
CTS forced high |
Off |
On |
Off |
|
CTS follows DCD |
Off |
Off |
On |
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
PWR |
Unidentified |
On |
Power is on |
|
PWR |
Unidentified |
Off |
Power is off |
|
RD |
Unidentified |
On |
Modem is receiving data |
|
RD |
Unidentified |
Off |
Modem is not receiving data |
|
TD |
Unidentified |
On |
Modem is transmitting data |
|
TD |
Unidentified |
Off |
Modem is not transmitting data |
|
RTS |
Unidentified |
On |
RTS signal is high |
|
RTS |
Unidentified |
Off |
RTS signal is low |
|
DCD |
Unidentified |
On |
Data carrier present |
|
DCD |
Unidentified |
Off |
Data carrier not present. Connection not established |