Ccpu Installation (Figure 2-5 - Figure 2-6) - NEC UX5000 Hardware Manual

Chapter 2 - PCB Installation and Startup

2.4.1.2 CCPU Installation (Figure 2-5 - Figure 2-6)

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• The power to the KSU must be off when installing or removing
this PCB.
• Do not remove/insert the optional CCPU daughter boards (VMDB,
MEMDB, VOIPDB) or voice mail flash card while the system power is on.
Install the battery on the CCPU. The polarity "+" symbol must be on top.
Install the Voice Mail, Memory, and/or VoIP daughter boards if required.
After being certain that the power supply is shut off, slide the CCPU into the CCPU slot in the
Controlling KSU.
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Note that the PCBs must be inserted into the KSU with the top of the card up, otherwise
the connection to the backplane will not be made.
Battery Socket
Figure 2-5: BATTERY INSTALLATION
Figure 2-6: INSTALLING PCBS
Battery
Chapter 2