May 2001
System Hardware Manual
4 - 91
A6-32
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3.
If not suitable ground is available, a ground rod
should be installed in accordance with the operating
procedures of the local telephone company.
4.4
Replacing the Power Supply Unit in the KSU
The Xen system is supplied with P64-U13 PSU. The Power Supply
Unit has a battery backup interface and accepts 240 Vac and
o5V and -24V to the system.
1.
Disconnect power cord from P64-U13 PSU AC IN Connector.
2.
Remove two screws from front of PSU.
Figure 4-50 KSU Grounding
Before replacing the PSU, remove the defective PSU
and verify that the power cord on the replacement PSU
is unplugged.
!
