Hardware manual

Issue 8 Electra Elite
5 - 124 Installing Electronic Telephone Units
7.2 BSU(2)-U( ) ETU
7.2.1 Description
The BSU(2)-U( ) ETU provides the connection for Zone
Transceivers.
7.2.2 Installation
Up to eight ETUs can be installed in slots S1~S8 in any
system KSU.
7.2.3 Switch Settings
The default switch settings are shown in Table 5-55
BSU(2)-U( ) ETU Default Switch Settings.
Figure 5-64 BSU(2)-U( ) ETU