Before You Begin - American Dynamics SpeedDome Optima LT Installation And Service Manual

Before You Begin

To ensure a smooth and successful installation,
observe the following requirements.
General Requirements
• Have electrical work comply with latest national
electrical code, national fire code, and all
applicable local codes and ordinances.
• Coordinate work with other trades to avoid
interference.
• Verify existing site conditions and coordinate
with the owner's representative and appropriate
utilities as required.
• Obtain copies of all related plans, specifications,
shop drawings and addenda to schedule and
coordinate related work.
• Thoroughly review the project to ensure that all
work meets or exceeds the above requirements.
Bring alleged discrepancies to the attention of
the CCTV Project Coordinator.
Mounting Requirements
Mounting space: Ensure there is the following
space above the ceiling to accommodate the
dome.
Height above ceiling:
170mm (6.7in)
Diameter: 192mm (7.5in)
Structural members: Verify that ceiling members
can support the camera dome and mounting
structure, if used.
Weight: 2.5kg (5.5 lbs)
Cable Requirements
Data cables: The following table shows cable
requirements for SensorNet, RS-422 and
Manchester networks. For more information about
communication protocols and cable networks, see
Communication Protocols and Cable Networks,
8000-2573-19.
SPEEDDOME OPTIMA LT INDOOR CAMERA DOME
INSTALLATION AND SERVICE GUIDE
Data cable requirements
SensorNet
Cable type 1 unshielded,
twisted pair*
Wire gauge 22 AWG
Connection Non-
polarized
Max. devices 32
per cable run
* Power, data, and video cables can be ordered separately or
within a composite cable that can be ordered in various
lengths. Plenum-rated cables must be used in indoor
ceilings used for environmental air return (called "other air
space" in the National Electrical Code). Order parts through
your distribution network.
Note: If you order cable from an outside source, wire colors
may be different.
** The RS-422 Simplex connection only uses a single twisted
pair allowing the dome to receive only. RS-422 transmit
from the dome is not supported.
*** Belden 88760 (plenum), or Belden 8760 cable (non-plenum)
cable is recommended. Plenum-rated cables must be used
in indoor ceilings used for environmental air return (called
"other air space" in the National Electrical Code). Order
cable directly from Belden by calling 1-800-235-3361.
Plenum ceilings: Cable must be rated for plenum
or routed through flexible conduit. A cover plate for
the dome accepts ½" conduit.
WARNING!
to or in the same conduit as line voltage
mains power.
Power cables. Make power cable lengths as short
as possible to minimize the affects of low line
voltages and outdoor cold temperature
performance. Maximum cable length between a
Class 2 LPS (low voltage) ac source, such as a J-
box, and the dome depends on the ac line voltage.
See the tables below for maximum cable lengths
based on the worst-case low line voltages.
The line voltage must not go below the voltage
shown for the dome to be able to power up and
operate at the corresponding distances shown.
Typically cable distances are used that provide a
15% margin between nominal and low line
conditions. For example, if the nominal voltage
measures 120Vac, restrict the cable length to the
distance for .85 x 120 or approximately 100Vac.
3 of 14
RS-422
Simplex Manchester
1 shielded, 1
twisted shielded
pair* ** twisted
pair***
22AWG 18 AWG
Polarized Polarized
10 3
Do not run cables adjacent
8200-0181-01, REV. E