May 2001
System Hardware Manual
4 - 87
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S
ECTION
4
I
NSTALLING
THE
X
EN
A
XIS
KSU
The compact design of the Xen Axis KSU provides easy installation. The
KSU can only be wall mounted.
4.1
General Information
4.1.1
KSU
The B48-U13 KSU provides service for outside lines,
Attendant Consoles and interconnection to the station
terminals. The B48-U13 KSU provides 48 ports and has
two fixed and five flexible slots. Fixed slot S1 is reserved
for the first 8 ESI ports that are mounted on the MBD-U13
Unit. Fixed slot S2 is for the MIFM-U13 ETU. A Power
Supply Unit (P64-U13 PSU) and backup batteries are
provided with the KSU.
4.2
Removing the KSU Cover
To access the battery, cables and ETU slots, the front cover must be
removed.
1.
Loosen the screws near the bottom of the KSU. Do not remove
screws from the unit.
2.
Pull the front cover off toward you.
Before beginning installation, be sure that the Power Supply
Unit (PSU) is OFF and the power cord is disconnected from
the AC outlet.
Do not touch the soldered surfaces of the ETUs with your
hands.
!
Figure 4-45 Removing the KSU Cover
