GE D20 Installation And Operation Manual page 97

GE Energy
Power-up and Test
Testing If you have a D20/D200 redundant system, you must test:
Redundancy
•
CCU A and CCU B are communicating
•
fail-over is functioning correctly.
Procedure Follow these steps to check that CCU A and CCU B are communicating once you
have powered-up the Primary and Secondary units:
Step
1
2
3
4
5
Note: STNBY will appear on the Active CCU WESMAINT Main Menu display
approximately one minute after power-up of the two units. Wait for this message to
appear before using this procedure.
General
Full
, continued
On the front of the RS-232 Panel, check that CCU A LED is
illuminated, which shows that CCU A is Active.
Note: Both the PWR A and PWR B LEDs should be illuminated.
Connect a WESMAINT II+ cable to the female DB-9 WESMAINT II+
port on the front panel of the Active D20ME/ME II Master board.
Attach the other end of the WESMAINT II+ cable to the serial
communications port of the PC or terminal.
Login to WESMAINT through the emulator you are using.
Result: The WESMAINT Main Menu is displayed.
Check to see that STNBY shows at the top-left of this WESMAINT
screen.
Results: If this text shows, then the Primary and Secondary CCU are
communicating.
If this text does not show, then the Primary and Secondary are
not communicating.
Installation and Operations Guide
Action
994-0078-2.00-7
D20/D200
95