Chapter 4. Installing the IDU
Vol. III-4-2 Alcatel-Lucent
Power Cable
A power cable is supplied in the IDU Installation Kit, which has a 2-pin 2W2C
fitted at one end and wire at the other. The cable is nominally 5 m (16 ft), and the
wires are 4 mm
2
(AWG 12).
The blue (or red) wire must be connected to -48 Vdc (live); the black wire to
ground/+ve.
Figure 4-1. 2W2C Connector and Cable
IDU Installation Requirements
Table 4-1. IDU Installation Requirements
The 2W2C DC power connector can be shorted inadvertently if applied at an
angle. Always insert with correct alignment.
Function / Requirement Description
Restricted Access
The IDU and its associated dc power supply must be installed in a restricted
access area such as a secure equipment room, closet, cabinet or the like.
Required Rack Space
The IDU requires 44.5 mm (1RU) of vertical rack space and 300 mm rack
depth.
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