Technical data

2–42
Replacement Procedures
10. Type Y(es). FRUTIL displays the following:
If the batteries were replaced while the cabinet was powered
down, press return.
Otherwise follow this procedure:
WARNING: Ensure that at least one battery is connected to the
Y cable at all times during this procedure.
1.Connect the new battery to the unused end of the ’Y’ cable
attached to cache A [
or B
].
2.Disconnect the old battery. Do not wait for the new
battery’s status light to turn solid green.
3.Press return.
11. Press return.
FRUTIL displays the following:
Updating this battery’s expiration date and deep discharge history.
Field Replacement Utility terminated.
12. Disconnect the PC or terminal from the controller’s maintenance port.
13. In a dual-redundant controller configuration and if the ECB was replaced for both
cache modules, connect the PC or terminal to the other controller’s maintenance
port. The controller to which you’re now connected is “this controller.”
14. Repeat steps 9 through 12.
15. Remove the old ECB SBB.