HardwareReplacement 9-29
Octel 200/300 S.4.1PB60019−01

Power Supply Unit Replacement

This section contains replacement information for the Octel 200 Power Supply Unit (including floppy
disk assembly), the Octel 300 Power Supply Unit, and the Octel 300 Filter Assembly.
.In the first quarter of 2000, a new 100−240 VACauto-ranging power supply began to ship as a
replacement for the older 120, 230 (Octel 200) or 240 (Octel 300) VAC PSU. Figure 9-18 shows
the new PSU label, which is located on the Octel 300 Power Filter Assembly immediately above
the power cord receptacle, or on the Octel 200 near the power cord. Refer to the Power Supply
Unit section in the Hardware chapter for details about the older and current Power Supply Units
(PSU).

110−240 VAC, 50/60HZ

System Grounding required,

see Installation Requirements

Figure 9-18 100−240 VAC Autoranging PSU Label
Caution!
The following replacement procedures cover different PSUs and
are different depending upon which PSU you are replacing. The
replacement procedures also differ depending upon whether the
message serveris an Octel 200 or an Octel 300.
-If you are replacing a 120, 230 (Octel 200), or 240 (Octel 300) VAC PSU
with a 120, 230 (Octel 200), or 240 (Octel 300) VAC PSU
or
If you are replacing a 100−240 VACauto-ranging PSU with a
100−240VAC auto-ranging PSU
then
Refer to the first procedure in this section.
-If you are replacing a 120, 230 (Octel 200) or 240 (Octel 300) VAC PSU
with a 100−240VAC auto-ranging PSU
then
Refer to the second procedure in this section.
If the PSU malfunctions, it must be replaced with a new one.
No attempt should be made to replace or alter the PSU’s circuit
components or wire harness. No PSU adjustments are possible.
Warning!