Gallagher C300430 Catatan Instalasi - Halaman 7
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Halaman Cetak
Cable distance
Cable type
CAT 5e or
better**
BELDEN 9842**
(shielded)
SEC472
SEC4142
* The matching of wire sizes to equivalent wire gauges are only approximate.
** Recommended cable types for optimal HBUS RS485 performance.
*** Not applicable for PIV or Gallagher mobile credential reader installations.
Notes:
•
Shielded cable may reduce the obtainable cable length. Shielded cable should be
grounded at the Controller end only.
•
If other cable types are used, operating distances and performance may be reduced
depending on the cable quality.
•
HBUS allows up to 20 readers to be connected to a single cable. Each reader requires at
least 9 Vdc to function correctly. The cable length and the number of readers connected
will have an impact on the voltage at each reader.
3
Distance between readers
The distance separating any two proximity readers must not be less than 200 mm (8 in) in all directions.
When mounting a proximity reader on an internal wall, check that any reader fixed to the other side of
the wall is not less than 200 mm (8 in) away.
3E4289 Gallagher T11 Reader | Edition 1 | August 2016
Copyright © Gallagher Group Limited
Cable format*
4 twisted pair
Each 2 x 0.2 mm
2
(24 AWG)
2 twisted pair
Each 2 x 0.2 mm
2
(24 AWG)
4 x 0.2 mm
2
Not twisted
pairs (24 AWG)
4 x 0.4 mm
2
Not twisted
pairs (21 AWG)
200 mm
HBUS
Cardax IV
single reader
single reader
connected using
connected using
data only in a
data only in a
single cable
single cable***
500 m (1640 ft)
200 m (650 ft)
500 m (1640 ft)
200 m (650 ft)
400 m (1310 ft)
200 m (650 ft)
400 m (1310 ft)
200 m (650 ft)
HBUS/Cardax IV
single reader
connected using
power and data
in a single cable
100 m (330 ft)
100 m (330 ft)
100 m (330 ft)
150 m (500 ft)
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