ICP DAS USA RS-405/405F - Manual (Page 58)

Industrial Redundant Ring Switch – RS Series User Manual
TDRS4050601 yy
Indicate RS232/RS485 serial connection is connected
Indicate RS232/RS485 serial connection is disconnected
Indicate the line of the corresponding port is connected.
Indicate Ring Pair 1 is enabled (Jumper 6 is “ON”)
Indicate Ring Pair 2 is enabled (Jumper 5 is “ON”)
When mask is disabled, no mater whether the link status is disconnected or connected, no
relay output will be activated.
To activate relay output for port 1 or port 2, you will need to enable both mask setting and
corresponding ring pair setting (Ring Pair 1). When there is a communication loss
(disconnection) occurs, a relay output will be activated and a warning sign will be
shown.