GE GEC-4VDPC Installation Sheet page 4

Multi-channel vpd
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DO NOT send Up-the-Coax Pan/Tilt/Zoom signals through active (amplified)
GE transmitters or receivers. Passive GE transceivers can transmit video and
Up-the-Coax P/T/Z control signals up to 750 ft. (228 m).
We recommend using short 18 AWG solid wires for ground connections.
GE VPD products follow the EIA/TIA 568 standard. There are two wire color-
code standards: EIA/TIA 568A and EIA/TIA 568B. Either standard can be used
for making connections as long as the RJ-45 jacks at both ends of each
cable follow the same standard.
Measure wire distance by:
1.
Shorting the two conductors together at the far end, and measuring
the loop-resistance by an Ohmmeter.
2.
Use the Loop Resistance table to calculate the distance.
DO NOT connect coax cables longer than 100 ft. (30 M) to the BNC
connectors of any GE UTP equipment.
All measured distances should include any coax cables in the path.
Verify camera current requirements and wire resistance limits for the
maximum distance that power can travel. Use the Power Distance Chart to
verify the wire distance.
GE VPD products require Unshielded Twisted-Pair (UTP) wires Category 2 or
better, 24 AWG (0,5 mm) or thicker.
Table 1: Loop Resistance per 1000 feet
Wire Type
24 AWG /0,53 mm
23 AWG /0,57 mm
22 AWG /0,64 mm
4 of 12
Resistance
52 ohms
42 ohms
33 ohms
P/N 1069680 • REV 1.0 • ISS 14APR10

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