Hardware manual

Issue 8 Electra Elite
iv Table of Contents
3.2 Removing the KSU Cover .........................................................4-12
3.3 Installing a Front Cover Extender (FCE-U10 Unit) ....................4-13
3.4 Securing Cables Using the Velcro Strap ...................................4-16
3.5 Wall Mounting the Basic KSU ...................................................4-18
3.6 Wall Mounting the Expansion KSU ...........................................4-21
3.7 Rack Mounting the Basic KSU ..................................................4-22
3.8 Rack Mounting the Expansion KSU ..........................................4-24
3.9 Floor Mounting the Basic KSU .................................................. 4-25
3.10 Cable Routing ...........................................................................4-26
3.10.1 Connecting the Battery Expansion Cables
on the KSU ......................................................................4-26
3.10.2 Grounding Requirements ................................................4-27
3.11 Replacing the Power Supply Unit in the KSU ...........................4-29
3.11.1 Connecting the Power Supply Unit
to the Basic KSU .............................................................4-29
3.11.2 Connecting Battery Expansion Cables
to the Expansion KSU .....................................................4-31
3.11.3 Fuse Replacement ........................................................4-32
3.12 Installing Built-In and External Batteries in the KSU .................4-33
3.12.1 Built-In Battery Installation ...............................................4-33
3.12.2 External Battery Installation .............................................4-35
3.12.2.1 Basic KSU ......................................................4-35
3.12.2.2 Expansion KSU ..............................................4-38
Chapter 5 Installing Electronic Telephone Units
Section 1 General Information ........................................................................5-1
Section 2 Installation .......................................................................................5-2
2.1 Installation Precautions ...............................................................5-2