
Annex
Mounting and installation, Technical Description, T 811 086 en e
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12
Annex
12.1
Recommended cable types
12.1.1
Data cable for SecuriLan, unscreened
Cat.5+
Unscreened
Halogen-free
4 x 2 x AWG 24/1
CU factor 17,00 kg/km
12.1.2
Data cable for MMI-BUS, unscreened
Twisted pair
2 wire pairs
AWG 22 to AWG 24
Capacity:
wire/wire < 60 pF/m
Characteristic impedance:
100 < Z < 150
at f
1 MHz
Outer diameter:
< 7 mm
12.1.3
Data cable for MMI-BUS, screened
Twisted pair
Braided screen or foil shielding with wire shielding
1 wire pair
AWG 22 to AWG 24
Capacity:
wire/wire < 60 pF/m
wire/screen < 100 pF
Characteristic impedance:
100 < Z < 150
at f
1 MHz
Outer diameter:
< 7 mm
12.1.4
Screened addressable loop cable
Twisted pair (minimum number of twists = 17 / m)
Braided screen or foil shielding with wire shielding
1 wire pair
Diameter:
0.8 mm (standard)
Capacity:
wire/wire
≤ 100 pF