Instruction manual

1. Components Overview
53
1.4.2 EPU-B
External power unit for the AC (PoE) models.
EPU-B has the following hardware specifications:
• Power supply module slots: 2
• Power supply module (EPU-BM): 1
(1) External Appearance
Figure 1-54 Front View
(1) Power switches for the power supply modules (2)
(2) Power supply module EPU-BM (mounted in slot 1 when shipped)
(3) Blank panel
(4) Power supply module slots (2)
(5) Tamper-evident security tape
The EPU has one power supply module in slot 1 and blank panels over the other slots when
shipped.
Do not peel off the tamper-evident security tape. Removing the tape makes the warranty null
and void.