Power Supplies - Qualstar RLS-4470 Technical & Service Manual

7.21 Power Supplies

The four types of RLS Power Supply Modules available are described in Table 7-6.
The type of Power Supply Module can be changed in this procedure except a 125W
supply can only be installed in an RLS-4124, 4221, 5116 or an 8116 without a Fibre
Channel IPM and RLS-8216C, 8216CD, 8236C, 8236CD & 8216H libraries only ac-
cept the 160W supply. Two half-sized modules are used in parallel to form a dual-
redundant power supply system. No calibration is required after changing any Power
Supply Module.
P/N Description
510170-01-2 Power Supply 125W
510170-02-0 Power Supply 250W
510170-03-8 Power Supply 250W
510170-04-6 Power Supply 160W
Table 7-6 Power Supply Module Descriptions
Power Supply Module
(1 of 2)
Figure 7-43 Power Supply Module Location (Dual 510170-03-8 modules shown)
501510 Rev. S
Package
Full-sized module
Full-sized module
Half-sized module
Full-sized module
Handle
Field–Replaceable Units (FRUs)
Qty Model Usage
1 RLS-4124, 4221 5116, 8116 & 8216H
only without Fibre Channel
1 All models, except
RLS-4124, 4221, 5116, 8116, 8216C,
8216CD, 8236C, 8236CD & 8216H
2 All models, except
RLS-4124, 4221, 5116, 8116, 8216C,
8216CD, 8236C, 8236CD & 8216H
1 RLS-8216C, 8216CD, 8236C, 8236CD
& 8216H only
Thumbscrew Fastener
7-67