Connections; Led Indicators - Westermo MD-45 AC Manuel D'installation

6.2 Connections

Terminal connection
9-pos screw block
RS-232
LED's
Line connection
RS-422/485

6.2.1 LED indicators

PWR Power Indication
RTS Request To Send modem signal
TD Transmitted Data: Displays data received from the local RS-232/422/485 port
RD
Received Data: Displays data leaving the modem on the RS-232/422/485 port
CTS
Clear To Send modem signal
6157-2003
Power
Terminal connection
9-pos D-sub
RS-232
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