VG4 Modular Camera Series Cable and Wire Standards | en 91
Bosch Security Systems, Inc. Installation Manual F.01U.216.010 | 8.0 | 2011.02
Fiber Optic Ethernet Media Converter
The fiber optic media converter is designed to transmit 10/100 Mbps Ethernet signals over
fiber optic cable using 10/100 Mbps Small Form-factor Pluggable (SFP) modules. The SFP
modules are available as multi-mode fiber (MMF) or single-mode fiber (SMF) models with a
single SC connector or dual-fiber with an LC connector. Refer to the VG4-SFPSCKT Fiber Optic
Media Converter Installation Guide.
5.4 Control-only Cables
Biphase (Shielded 2-wire, half-duplex, multi-drop, 5000 ft. cable limit)
Biphase is the standard Bosch protocol used to send Pan/Tilt/Zoom control over 2-wire
shielded twisted pair (STP) terminated with a 100 Ohm terminal resistor.
The AutoDome has a 100 Ohm termination resistor between the Biphase C+ and C- terminals.
Ethernet Media Converter
Data Interface Ethernet
Data Rate 10/100 Mbps
IEEE 802.3 Compliant
Full Duplex or Half Duplex Electrical Port
Full Duplex Optical Port
Fiber Type, MMF 50/125 µm MMF. For 50/125 µm fiber, subtract 4 dB from the
specified optical budget value. Must meet or exceed fiber standard
ITU-T G.651.
Fiber Type, SMF 8–10/125 µm SMF. Must meet or exceed fiber standard ITU-T
G.652.
Maximum Distance 60 km (37.3 miles)
Requirement Media converter receiver (CNFE2MC/IN) at controller end of
system
Terminal Connection Duplex LC or Single SC
CAUTION!
The Biphase shield must be connected to the head end only.
Cable Type STP - Shielded Twisted Pair
Distance 1524 m (5000 ft) Belden 8760 recommended
Transmission Rate 31.25 KHz
Gage 1.02 mm (18 AWG)
Termination 100 Ohm
Terminal Connector Screw terminals
Voltage 4 Vp-p
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