RAD DATA COMMUNICATIONS SRM-9 (TB) Card Type Short Range Modem Chip Set Unidentified I/O Options 25-pin serial port (RS-232), Terminal block Wiring Type Unshielded twisted pair Maximum Data Rate 128Kbps (synchronous), 115.2Kbps (asynchronous) Data Bus External [Image] CONNECTIONS Function Label Function Label DTE/DCE serial port (25-pin CN1 Twisted pair connection CN2 connector) terminal blocks USER CONFIGURABLE SETTINGS Setting Label Position Pattern (BERT) test activated SW1/1 On Pattern (BERT) test not activated SW1/1 Off Local digital loopback test activated SW1/2 On Local digital loopback test not activated SW1/2 Off Local analog loopback test activated SW1/3 On Local analog loopback test not activated SW1/3 Off Remote digital loopback test activated SW1/4 On Remote digital loopback test not activated SW1/4 Off DIAGNOSTIC LEDS LED Color Status Condition TD Unidentified On Device is transmitting data TD Unidentified Off Device is not transmitting data RD Unidentified On Device is receiving pulses from network RD Unidentified Off Device is not receiving pulses from network RTS Unidentified On RTS signal is high RTS Unidentified Off RTS signal is low DCD Unidentified On DCD signal is high DCD Unidentified Off DCD signal is low ERR Unidentified On Error detected on received data during BERT test ERR Unidentified Off Error not detected on received configuration information TST Unidentified On Device is conducting a loopback test TST Unidentified Off Device is not conducting a loopback test