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Intercom Wiring Specifications for Pro700 & AlphaCom
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Pro700 system wiring
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Capacity:
Wiring:
Line specification:
Max distance between a power supply and a station:
Max total cable capacitance:
Max cable run in a system:
Recommended cable:
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Up to 40 subscribers
Can be wired in star or loop configuration.
Galvanic line, 3 twisted pair.
12v DC: 100m (330 ft)
18v DC: 300m (1000 ft)
24v DC: 500m (1600 ft)
87 nF
Standard cable quality: 120 nF/km-700m (2100 ft)
Good cable quality: 47 nF/km-1700m (5100 ft)
CAT5E 4 twisted pair shielded 24AWG
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Alphacom system wiring
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Capacity:
Wiring:
Line specification:
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Up to 138,000 subscribers
Star wired from Central Exchange.
Galvanic line, 2 twisted pair.
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Installation Cable Type & Distance for ASLT (Intercom Stations) and ATLB (Telephones)
Recommended cable:CAT5E 4 twisted pair shielded 24AWG
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Wire diameter
0.5 mm 24 AWG
0.6 mm 22 AWG
0.8 mm 20 AWG
0.9 mm 18 AWG
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Max. Distance ASLT
1.4 km 5,000 feet
2.0 km 7,000 feet
3.4 km 11,000 feet
4.0 km 13,000 feet
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Max. Distance ATLB
6 km 20,000 feet
8 km 26,000 feet
10 km 33,000 feet
10 km 33,000 feet
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