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  |