Led Indicators; Led Status - Westermo TD-36 User Manual

LED Indicators
LED Status
TD OFF
Transmit data
ON / FLASH
RD OFF
ON / FLASH
Receive data
RTS OFF
Request
ON
to send
DCD OFF
Data carrier
ON
detect
DTR OFF
Data terminal
ON
ready
REL OFF
Reliable mode
ON
FLASH
LINE OFF
ON
FLASH
PWR OFF
Power
ON
Only for TD-36 485
I/O IN OFF
ON
I/O OUT OFF
ON
22
Description
No data
The modem receiving data on the DTE interface
No data
The modem transmitting data on the DTE interface
RTS signal is inactive
RTS signal is active
DCD signal is inactive
DCD signal is active, modem has detected a carrier or the signal is
set to always ON
DTR signal is inactive
DTR signal is active
Reliable mode is OFF, direct or normal mode
Reliable mode is ON
Reliable mode with error correction and compression
The modem is on-hook
The modem is off-hook with an established connection
Line backup interface in use
The modem has no power
The modem is up and running
The I/O input is inactive
The I/O input is active
The I/O output is inactive, C and NC connected
The I/O output is active, C and NO connected
6618-2202