NEC ELECTRA ELITE IPK II - Esie(8)-U20 Etu; Description

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6 - 74 Installing ETUs (Circuit Cards)
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Document Revision 3 Electra Elite IPK II
6.5 ESIE(8)-U20 ETU
6.5.1 Description
The ESIE(8)-U20 ETU is the expansion Electronic Station Interface
ETU that provides an additional 8-channel interface for Multiline
Terminals, Attendant Consoles, or the Single Line Telephone
SLTII(1)-U10 ADP (Adapter). This expansion ESI ETU is
piggybacked on the ESIB(8)-U( ) ETU for up to 16 channel support.
When an ESIE(8)-U20 is installed on the ESIB(8)-U20 ETU, a
second (B2) channel is available for such devices as the AP(R)-R
Unit or the PGD(2)-U10 ADP (adapter).
Figure 6-39 ESIE(8)-U20