GE D20 - Page 99

GE Energy
D20/D200
Installation and Operations Guide
General 994-0078-2.00-7
Full
97
Power-up and Test, continued
Procedure
Follow these steps to check that switch-over is functioning correctly for the event of
software failure:
Step Action
1
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.
2
Connect a WESMAINT cable to the female DB-9 WESMAINT II+ port
on the front panel of the CCU A D20ME/ME II Active board.
3
Attach the other end of the WESMAINT II+ cable to the serial
communications port of the PC or terminal.
4
Login to WESMAINT on CCU A using your the emulator.
Result:
The WESMAINT Main Menu is displayed.
5
Select System Functions on the Main Menu and press ENTER.
Result:
The WESMAINT Function Menu is displayed.
6
Select SWITCH-OVER on the Function Menu and press ENTER.
Result:
A password prompt is displayed.
7
Enter your password and press ENTER. The default is “control”.
Result:
The CCU Switch-Over display shows: “choose switch-over
(<ctrl>-V) to begin”.
8
Press CTRL-V.
Result:
A confirmation message shows: “Confirm Yes/No”.
9
Type Yes and press ENTER.
Result:
Fail over occurs
10
Verify the switch-over: see “Procedure”, page 98.