CRS-500 1:N Redundancy System
Revision 4
CSU Front Panel Operation
8–19
MN-CRS-500
8.2.4
(SELECT:) Status Menu Branch
STATUS: Alarms Events
Temp Types Comms
Use the
◄
► arrow keys to select
Alarms
,
Events
,
Temp
,
Types
, or
Comms. Press ENTER
.
8.2.4.1
STATUS: Alarms
This section refers to the four-LED SWITCH STATUS Group on the CSU Front
Panel (shown as Feature 3 in Figure 8-1).
The following are examples of possible
SWITCH STATUS
LED states, along with suggestions to
assist you in diagnosing the reason for the fault.
Example 1:
Switch Alarm: NONE
There are no faults.
The front panel
SWITCH STATUS
LED should be
GREEN
.
Example 2:
Switch Alarm:
PSA 12V under/over
There is a fault.
Power Supply “A” is under/over voltage. The front panel active
SWITCH
STATUS
LED will be
RED
.
Suggestions:
•
Ensure the power supply cord is connected and the power switch is ON.
•
Replace the defective power supply module.
•
If the second power supply module is not needed, you can mask this alarm.
Example 3:
Switch Alarm: RM Problem
RM I/O Timeout
There is a fault.
Communication has been lost to the Redundant Modem. The front panel
SWITCH STATUS
LED will be
RED
.
Содержание CRS-500
Страница 24: ...CRS 500 1 N Redundancy System Revision 4 Preface x MN CRS 500 Notes...
Страница 38: ...CRS 500 1 N Redundancy System Revision 4 Introduction 1 14 MN CRS 500 BLANK PAGE...
Страница 54: ...CRS 500 1 N Redundancy System Revision 4 Checklists for Initial Start up and Configuration 3 6 MN CRS 500 Notes...
Страница 60: ...CRS 500 1 N Redundancy System Revision 4 Installation 4 6 MN CRS 500 BLANK PAGE...
Страница 164: ...CRS 500 1 N Redundancy System Revision 4 Ethernet Interface Operation 9 22 MN CRS 500 BLANK PAGE...
Страница 184: ...CRS 500 1 N Redundancy System Revision 4 Serial Interface Operation 10 20 MN CRS 500 BLANK PAGE...
Страница 216: ...CRS 500 1 N Redundancy System Revision 4 Appendix C C 4 MN CRS 500 Figure C 2 External EIA 485 with CDM 625 A Modems...
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