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Issue 6
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5.2.2
Installation
Only one CTI/VP(4)/(8)/(12)/(16)-U( ) ETU should be
installed in any interface slot in any system. Slot S7 is
recommended.
Each system can have one FMS(2)/(4)/(8)-U
VMS(2)/(4)/(8)-U
place of the CTI/VP.
The HD LED flashes red when the hard drive is active.
Do not reset the ETU when the HD LED is flashing.
5.2.3
Installation Precautions
System ETUs use CMOS technology that is very
susceptible to static electricity.
following precautions to Avoid Static Discharge:
Wear a grounding strap when you handle an ETU.
Ensure that the KSU is off and that all DIP switch
changes are made before it is inserted in the KSU.
Carry ETU in a conductive polyethylene bag to
prevent static electricity.
( )
ETU, or one VMS/FMS/CMS-U30 in
Always use the
Installing Electronic Telephone Units
Electra Elite
( )
ETU, one
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