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DCS Compact II INSTALLATION MANUAL
Chapter 1. Site Requirements
When planning the installation of the DCS Compact II, choose a site that meets
the following requirements:
• Select a location for the key service unit (KSU) that has enough space for easy
installation and adequate lighting.
• Select a location that minimises cable lengths. See the Cable Requirements
table below.
• The equipment should not be exposed to direct sunlight, corrosive fumes,
dust, constant vibration or strong magnetic fields such as those generated by
motors and copy machines.
• A direct commercial AC power outlet is required. Do not use extension cords.
Preferably, a dedicated circuit should be used to minimise the risk of other
electrical equipment being connected that could adversely affect system
operation.
• 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 in an environment that will maintain a
temperature range of 32ºF~104ºF (0ºC~40ºC) and a humidity range of 10%–90%
non-condensing.
• Allow at least 150mm clearance on both sides and 150mm clearance on top of
the KSU to ensure proper ventilation.
• Do not install within a 2-mile radius of broadcasting antenna or in close
proximity to a fire sprinkler head or other sources of water.
Meeting these requirements will help to ensure proper performance and greater
life expectancy of the system.
CABLE REQUIREMENTS
EQUIPMENT
DIGITAL KEYSETS
ADD-ON MODULES
SINGLE LINE STATION
DOOR PHONE
* This is the maximum distance a door phone can be from the door phone interface
module (DPIM). The DPIM can be a maximum of 274 cable metres from the KSU.
CABLE
AWG
1PR. TWISTED
24
1PR. TWISTED
24
1PR. TWISTED
24
2PR. TWISTED
24
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Chapter 1. Site Requirements
MAX FEET
MAX METRES
1300
400
1300
400
3000
1 KM
330*
100
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