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70
en | Connection
These numbers assume maximum relay load. If switching less than this, re-calculate with
the exact switching load for your particular use case to increase the allowed distances.
Table 10.1: Wire gauge and maximum distance, alarm inputs and outputs (2MP model)
Note: Install all alarm and audio equipment in a watertight, metal enclosure that supports
watertight, electrically grounded metal conduit.
10.6
Connecting the Audio Input and Output Wires
Wire Specifications
Wire Type
Distance
Gage
Shield
Twisted pair wires Stranded bare copper. Connect to AUTODOME metal chassis ground
2023-09-29 | V06 | F.01U.410.315
Wire size
AWG
mm
22
0.643
20
0.811
Shielded twisted pair (recommended)
Typically 10 m (33 ft), but depends on the signal level, noise and
quality of audio required
Typically 22 AWG to connector (X106)
Bare copper braid: 95% coverage
Alarm inputs -
Maximum distance
Meters
152.4
243.8
Installation Manual
AUTODOME 7100i│AUTODOME 7100i IR
Alarm output -
Maximum distance
Feet
Meters
500
N/A at
maximum
current
800
18
Bosch Security Systems
Feet
N/A at
maximum
current
72
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