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Installing Electronic
Telephone Units
S
1
ECTION
G
ENERAL
I
NFORMATION
System Hardware Manual
Each Electronic Telephone Unit (ETU) is installed in a slot of the KSU.
Refer to
Figure 5-1 KSU ETU
that are divided as follows:
Slot 1 is a fixed ESI slot that cannot be changed.
S2 is the ISA /IF slot without Amphenol connections. Any ETU that does
not require Amphenol connections (e.g. MIF, VRS, CNF, or PBR) can be
installed in this slot.
S3~S6 are the B48-U10 KSU interface slots with Amphenol connectors.
All other interface ETUs can be installed in any of these slots.
S7 is an interface slot without Amphenol connections. Any ETU that does
not require Amphenol connections (e.g., VRS or PBR) can be installed in
this slot.
This chapter describes each ETU and the installation procedures.
Slots. The B48-U10 KSU has seven slots
Figure 5-1 KSU ETU Slots
Chapter 5
5 - 1
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