86 en | Cable and Wire Standards VG4 Modular Camera Series
F.01U.162.025 | 6.0 | 2010.03 Installation Manual Bosch Security Systems, Inc.
UTP
Unshielded twisted pair (UTP) cable terminated with RJ45 male connectors are used to
transmit composite video using pins 1(+) and 2(-). Typically, a Coax to UTP cable converter is
required at the head-end of the system.
Bilinx control data can also be sent over the same two video wires (1 & 2). Bilinx is a Bosch 2-
way communication protocol that allows remote control, configuration and updates over a
passive UTP cable.
AutoDome Series 300 and 500 feature cable compensation or “Pre-Comp,” which extends the
normal range of control from the head end.
The following figure illustrates the connections necessary to transmit video and control over a
UTP cable.
Figure 5.1 Video and Control over UTP
Size O.D. between 4.6 mm (0.181 in.) and 7.9 mm (0.312 in.)
Shield Copper braid: 95%
Central Conductor Standard copper center
Terminal Connector BNC
Cable Compensation Maximum Distances
Video Only Bilinx Control
WARNING!
Cable compensation (Pre-Comp) does not extend the range of Bilinx control. Pre-Comp is not
available to AutoDomes with an IP module.
Cable Compensation
Maximum Distance
Cable Type Pre-comp OFF Pre-comp ON
CAT5 UTP 229 m (750 ft) 450 m (1500 ft)
Terminal Connector RJ45
Requirement Coax to UTP Converter
1 Head End Video 3 Pins
2Coax 4AutoDome
+
-
1(+) & 2(-)
RJ45
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