Specifications

SPEEDDOME ULTRA VI 8000-2830-03, REV. C
INSTALLATION AND SERVICE GUIDE 8 of 34
Data Cable Requirements
Table 2 shows the data 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.
Table 2. Data cable requirements
SensorNet RS-422 Manchester
Cable type 1
unshielded,
twisted
pair*
2
shielded,
twisted
pair*
1
shielded
twisted
pair**
Wire gauge 22 AWG 22 AWG 18 AWG
Connection Non-
polarized
Polarized Polarized
Max.
devices on
line
32 10 3
* 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 environ-
mental 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.
** 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.
Install/Removal Tool for Base
with I/O Board
The install/removal tool (Figure 9) enables you to
connect or disconnect the housing and eyeball
assembly from the base with I/O board, and to
attach/detach skirts and bubbles to a top hat
housing, without the need for a ladder. The tool
attaches to a telescopic pole (purchased
separately). See page 20.
CAUTION: Do not use this tool to connect the
dome the standard base.
Figure 9. RHIRT indoor install/removal tool
RHIRT Removal Tool
Telescopic Pole 08140
by Recreational Water
Products. See page 20
to order.