RuggedCom RUGGEDBACKBONE RX5000 ユーザーズマニュアル
3. Installation
RuggedCom® RuggedBackbone™
25
RX5000 Installation Guide Rev106
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 power-up of the unit and remain
energized unless a critical alarm condition is detected. Relay connections are shown in the
RuggedBackbone™ RX5000. The contacts are energized upon power-up of the unit and remain
energized unless a critical alarm condition is detected. Relay connections are shown in the
interface.
Norm ally
Open
Norm ally
Closed
Com m on
Figure 3.16. Critical Alarm Relay Connection
Pin
Function
NC
Normally Closed
Common
Ground
NO
Normally Open
Table 3.2. RX5000 Critical Alarm Relay Connector
Pinout
Pinout
A common application for this output is to signal an alarm in case of a power failure.