DS 616 INSTALLATION
TECHNICAL MANUAL PART 1 JUNE 2002
1.1
PART 1. SITE REQUIREMENTS
When planning the installation of the DS 616
,
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 (see Figure 1–1).
!
Select a location that will minimize 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 minimize 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 32°–104°F (0°–40°C) and a humidity range of 10%–90% non-condensing.
!
Allow at least 6" clearance on both sides and 6" clearance on top of the KSU to
ensure proper ventilation.
!
Do not install 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 CABLE AWG MAX FEET MAX METERS
DIGITAL KEYSETS 1 PR. TWISTED 24 1300 400
SINGLE LINE STATION 1 PR. TWISTED 24 3000 1 KM
KSU TO DPIM 1 PR. TWISTED 24 800 250
DPIM TO DOOR PHONE 2 PR. TWISTED 24 65* 20
DPIM TO DOOR UNLOCK 1 PR. TWISTED 24 65* 20
*This is the maximum distance a door phone can be from the DPIM. The DPIM can be
a maximum of 800 cable feet from the KSU.
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