Hardware manual

Issue 8 Electra Elite
5 - 92 Installing Electronic Telephone Units
6.1.2 Installation
Only one CMS(2)/(4)-U( ) ETU or one CMS-U30 ETU
can be installed in slots S1~S8.
Each system can have one CTI/VP, CMS, FMS, VMS, or
IVR ETU.
Figure 5-54 CMS-U30 ETU
When installing this ETU, make all ETU DIP
switch setting changes before inserting it in
the KSU. Ensure that KSU is off.