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Aria-34e
Installation
Digital Key Telephone System
4.7.4 Power Failure Transfer Wiring
The external CO lines can be connected either to the 4LCO/LCOB or external SLTs
through the PFTU for power failure transfer function. These SLTs also can be used as
normal extensions of the Aria-34e system by connecting as shown below in Figure
32. The detailed CHAMP connector pin assignment of the PFTU is described in Table
5.
Figure 32. PFTU WIRING
4-36
Rev 1.3
Aria Communications Pty Ltd.
A.C.N. 090 723 925
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