Tadiran Telecom EMERALD ICE, Installation & Maintenance Manual

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Emerald ICE Installation & Hardware Reference Manual
2-1
System
Design
2
2
System Design
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 Extensions (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
117
vac or
230
vac 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 Control
Board(CCB).
Figure 2-1
Emerald ICE
KSU
2.1
Key Service Unit (KSU)