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Chapter 3
Installation
Use a socket wrench to firmly tighten the M6 nut on the grounding pin.
Step 4
Step 5
Connect the other end of the ground strip to the equipment rack.
Step 6
Use a multimeter that is set to read ohms to test the ground connection. The display on the multimeter
should be less than 5 ohms. If the display is more than 5 ohms, tighten or reconnect the ground
connection and test it again.
3.4.2 Install the ONS 15252 MCU Power
The following procedure explains how to install ONS 15252 power connections.
Procedure: Connect the ONS 15252 MCU A-side and B-side Power Connections to the PDP
Warning
Before installing power to the ONS 15252 MCU, remove the fuses from both the A and B sides of
the
injury or death. Determine the actual wire gauge based on local engineering standards and
practices.
Warning
To prevent equipment damage and injury, do not reverse the polarity of the PDP-to-ONS 15252 MCU
power connections.
Step 1
Remove the A- and B-side fuses from the BDB and the PDP.
Step 2
Connect the MCU power cable to the B side of the PDP. Be sure the poles are correct when you connect
the power cable.
Step 3
Insert the power cables into the connector and tighten the wire retaining screws.
Step 4
Align and connect the power cable to the PS-2 (Power Supply 2) connector (left side) on the MCU
backplane as shown in
Step 5
Tie-wrap the power cable to the MCU as shown in
78-13765-01
battery distribution bay (
BDB) and power distribution panel (PDP). Failure to do so can result in
Figure
3-15.
Figure
Cisco ONS 15200 Installation, Setup, and Test Manual
3-15.
3-17
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