NEC Australia Pty Ltd
Xen Master & Xen Axis
5 - 110
Installing Electronic Telephone Units
A6-3
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3.2.2
Installation
Turn system power off, and install the EXP-U13 in the
expansion ETU.
Use the Expansion Cable (included with the EXP-U13
ETU) to connect the CPUB( )-U13 ETU to the Expansion
ETU. Fix the Expansion Cable to the KSU Frame using
tie wraps.
3.2.3
The following connectors are located on the EXP-
U13 ETU.
✆
CN1
Connects to the backboard.
✆
CN2
Connects to CN3 on the CPUB( )-U13
ETU or CN3 on EXP-U13 ETU
(installed in the first expansion
cabinet) using an expansion cable.
✆
CN3
Connects to the CN2 on the EXP-U13
ETU installed in the third expansion
cabinet using the expansion cable.
This connector is not used if the EXP-
U13 ETU is installed in the last
expansion KSU or if a third KSU is not
installed.
Figure 5-9 Connecting the Expansion Cable
Tie Wraps
Tie Wraps