Key Service Unit (Ksu) - Tadiran Telecom Emerald ICE Quick Installation Manual

Digital key telephone system
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Emerald ICE Quick Installation Guide

Key Service Unit (KSU)

The Emerald ICE Key Service Unit (KSU) is designed as a modularized, flat-pack. Two KSU's
(KSU1 and KSU2) may be equipped to attain the total system capacity of 24 CO lines, 58 Exten-
sions (46 digital and 18 analog) and 8 Voice Processing Channels. Each KSU is designed to be
mounted on the wall and is shipped with a wall mounting template. The compact KSU weighs less
than 20 pounds and is UL Listed.
If using 2 KSU's, the first KSU, or KSU1 is factory equipped with one 610+2 Board, one CCB
(Common Control Board). The second KSU or KSU2 is factory equipped with one Base Board
module. Each KSU is a self-contained cabinet containing an internal power supply for either
117vac or 230vac operation. At the time of shipping it is set for 117vac operation. From the exterior,
with covers in place, KSU1 and KSU2 look identical, however, KSU1 contains the Common Con-
trol Board(CCB).
Emerald ICE KSU
Page 2-1

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