![](/images/new-backgrounds/1202246/20224649x1.webp)
3. Installation
3.3. Critical Alarm Relay
The Critical Alarm output relay signals critical error conditions that may occur on the RuggedBackbone™ RX5000. The contacts are energized upon
Norm ally |
Closed |
Com m on |
Norm ally |
Open |
Pin | Function |
NC | Normally Closed |
|
|
Common | Ground |
|
|
NO | Normally Open |
|
|
Table 3.2. RX5000 Critical Alarm Relay Connector Pinout
Figure 3.16. Critical Alarm Relay Connection
A common application for this output is to signal an alarm in case of a power failure.
RuggedCom® RuggedBackbone™ | 25 | RX5000 Installation Guide Rev106 |