Expansion Ksu; General Information - NEC Electra Elite IPK II System Hardware Manual

Installing ETUs (Circuit Cards)
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S 1 G
ECTION
Each Electronic Telephone Unit (ETU) is installed in a slot in the Basic or Expansion
KSU.
The B64-U20 KSU has 10 slots that are divided into three categories:
CPU/EXP Slot
This is the first slot from the left in the KSU. A CPUII( )-U10 ETU must be installed in
this slot in the Basic KSU and an EXP-U10 ETU must be installed in this slot in the

Expansion KSU.

AP Slot
The AP slot (second slot from the left in the KSU), is not used at this time in the
Electra Elite IPK II KSU.
Interface Slots (S1~S8)
Any interface ETU can be installed in these slots.
The remainder of this chapter describes installation procedures for each ETU.
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System Hardware Manual
I
ENERAL NFORMATION
CPU/EXP Slot
AP Slot (Not Used)
Interface (IF) Slot
The CPUII( )-U10 ETU can be damaged when installed in
slots S1~S8!
Do not install a CPU or EXP ETU in this slot in the Expansion
KSU!
Chapter 6
6 - 1