Key System US Atlas IIE KSX 32i, Installation Manual

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DSS Unit Installation
6.42. The installation of a DSS Unit requires one Keyphone port. The DSS Unit is installed
in the adjacent Keyphone port along from the Keyphone which the DSS Unit will
work with.
e.g. Keyphone is port 11, then DSS Unit is port 12. Keyphone is port 18, then DSS Unit
is port 19.
Refer to the Programming Guide - (Mode 37) DSS Unit Key Plan and (Mode 38)
Second DSS Unit Key Plan.
Off-hook Voice Announce (OHVA)
6.43. Off-hook Voice Announce with Answer Back allows for calls to be announced while
the user is on-line. The OHVA module takes an additional port on the station card
and two extra wires in the base cord. There may be a maximum of 4 OHVA
Keyphones per Keyphone Card (LNU).
6.44. The Off-hook Voice Announce feature utilizes the tip and ring from an unused station
port. It can be wired directly to the base cord jack of any OHVA equipped Keyphone.
Note: The idle station to be used must be at the opposite end of the station group.
(e.g. If Port 01 is to have OHVA, use the tip and ring from Port 08. If Port 09 is
to have OHVA, use the tip and ring from Port 16, ...)