Westermo TD-23 - Manual (Page 15)

15 6600-2204
LED Indicators
LED Status Description
DCD
CTS
RTS
TD
RD
PWR
PWR
Power
ON In service
OFF Out of service
RD
Receive data
ON Data transmitted on the RS-232 or RS-485 port
OFF No data transmitted on the RS-232 or RS-485 port
TD
Transmit data
ON Data received on the RS-232 or RS-485 port
OFF No data received on the RS-232 or RS-485 port
RTS
Request
to send
ON RTS signal active on the RS-232 port
OFF RTS signal inactive on the RS-232 port
CTS
Clear to send
ON CTS signal active on the RS-232 port
OFF CTS signal inactive on the RS-232 port
DCD
Data carrier
detect
ON DCD signal active on the RS-232 port
OFF DCD signal inactive on the RS-232 port