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Installation Requirements
Site Planning
Select a KSU location that has enough space for easy installation, is well ventilated and has
adequate lighting.
Select a KSU location to minimise station cable lengths. Maximum cable length is 400 metres
using AWG 24 cable for telephones.
Equipment should not be exposed to direct sunlight, corrosive fumes, dust, constant vibration or
strong magnetic fields such as motors, copying machines, etc.
A direct commercial AC power outlet is required. Do not use an extension cord.
Ensure that all wires and cables going to and coming from the KSU are properly routed. Do not
cross fluorescent lights or run parallel with AC wires.
The equipment must be located within a temperature range of 0
o
- 45
o
C and a humidity range of
10% - 90% (without condensation).
Do not install equipment within a 2-mile radius of a broadcasting antenna.
Electrical Specifications
Input: Commercial AC POWER source: 220V AC
50/60 Hz Single Phase
Output for driving: 28 V max 0.4 A DC
22 V min 0.4 A DC
Current draw: Maximum 1 AMP
Power dissipation: Maximum 40 Watts
Fuse: Main power fuse 1 AMP, 250 V rating, slow acting
Battery fuse 3 AMP, 250 V rating, slow acting
WARNING
For continued protection against risk of fire, replace only
with same type and rating of fuse
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