NEC ELECTRA ELITE IPK II - Bsu(2 S)-U20 Etu; Description; Installation

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6 - 146 Installing ETUs (Circuit Cards)
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Document Revision 3 Electra Elite IPK II
8.2 BSU(2S)-U20 ETU
8.2.1 Description
The BSU(2S)-U20 ETU is the Base Station Interface Unit Slave ETU
that provides connection for two additional Base Stations when
connected to the BSU(4M)-U20 (Master) ETU.
A maximum of two BSU(2S)-U20 ETUs can be installed in the Basic
or Expanded Electra Elite IPK II system.
8.2.2 Installation
The BSU(2S)-U20 ETU (Slave) is installed on four corner posts on
the front of a BSU(4M)-U20 ETU or on the front of a BSU(6S)-U20 or
on front of another BSU(2S). Slave ETUs are cascaded on posts to
the left of the BSU(4M)-U20 in accordance with the tables below.
Only two BSU(2S)-U20 ETUs can be installed in the Basic or
Expanded Port Package of the Electra Elite IPK II.
Figure 6-80 BSU(2S)-U20 ETU