VG4 Modular Camera Series Cable and Wire Standards | en 89
Bosch Security Systems, Inc. Installation Manual F.01U.216.010 | 8.0 | 2011.02
5.3 Video and Control Cables
Coaxial Cable
Coaxial cable terminated with BNC connectors is the most common method for transmitting
composite video. Bilinx control data can also be sent over the same cable.
Bilinx is a Bosch 2-way communication protocol that allows remote control, configuration, and
updates over a video coax cable. Bilinx is available on all AutoDomes, except Ethernet models,
using the standard communications module.
AutoDome Series 300 and 500i feature cable compensation or “Pre-Comp,” which extends the
range of video from the head end.
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.
Cable Compensation Maximum Distances
Video Only Bilinx Control
Cable Type Pre-comp OFF Pre-comp ON Pre-comp ON or OFF
RG-59/U 300 m (1000 ft) 600 m (2000 ft) 300 m (1000 ft)
RG-6/U 450 m (1500 ft) 900 m (3000 ft) 450 m (1500 ft)
RG-11/U 600 m (2000 ft) 1200 m (4000 ft) 600 m (2000 ft)
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
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
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