GE T1000, Technical Manual

Page: 114 / 302

Chapter 5
– Interfaces
GE Reason Switches
114 REASON SWITCHES-TM-EN-3
4 Dry-Contact Relay
Reason Switches are equipped with a failsafe dry contact relay for remote
signalization when an interface communication become unavailable or the
equipment lacks from one of its power supplies. These signalizations can be useful as
it occurs independently of the Ethernet medium, increasing reliability.
The configuration is via Web configuration interface, and possibilities are:

Port removal - to signalize when any connected Ethernet port has lost its
connection;

Power supply failure – to signalize when the unit loose one of its power
supplies.
By default, failsafe relay is disabled. One NC and one NO contact is provided.
Figure 71: Failsafe dry-contact relay