9-38 Installationand Maintenance Volume
Octel 200/300 S.4.1 PB6001901
8. Reattach the floppy disk drive signal cable.
9. When all other message server maintenance has been accomplished, turn ON the message server at
the PSU switch. Measure the voltages on the front of the CPU,as described in the Installation
chapter, Octel 200/300 Hardware Installation section.
10. Close and lock the door of the cabinet.

Replacing a PSU with a Different Type of PSU

Follow this procedure if you have a
-120 VAC,230 VAC (Octel 200), or 240 VACPSU (Octel 300)
and you are replacingit with a
-100240VAC auto-ranging PSU
Caution!
The PSU is not hot pluggable. Do not remove the
PSU when it is ON.
100240 VAC Auto-ranging PSU Replacement Kits
The lists below show the components included in the 100240VAC auto-ranging PSU Replacement Kits.
There are two separate Replacement Kits, one for the Octel 200 and one for the Octel 300.
Octel 200 120/230 VAC PSU Replacement Kit Part Number FK90246
Item Number Description Quantity
7406640000 Assembly, Floppy/Power Supply,100240 VAC 1
0721400000 Fuse, 50X20MM, 6.3A, 250 VAC,Slowblow 1
4456277001 Label, 100240 VACInput, UL 1
FI9014601 Procedure to Install 100240 VAC PSU 1
Octel 300 120/240 VAC PSU Replacement Kit Part Number FK90247
Item Number Description Quantity
7406641000 Assembly, Power Supply,100240 VAC 1
7406038001 Assy,Power Filter, 100240 VAC Worldwide, Harbor Blow 1
4456276001 Label, Warning, High Leakage Current 1
FI9014601 Procedure to Install 100240 VAC PSU 1
Caution!
The PSU is sensitive to static electricity. Do not
attempt the following procedures without wearing an
antistatic wrist strap.
.If you are replacing any type of PSU in the Octel 300 you must also replace the Power Filter
Assembly. Refer to Octel 300 120240VAC Auto-ranging PSU Power Filter Assembly in this
section.