17
Extension length
Up to 200 m
Up to 400 m
Up to 800 m
(2) Power supply using cables other than Category 5 STP cable
Remote
microphone
Category 5 STP straight cable
Category 5 STP straight cable
4-pair twisted pair shielded cable
Under 40 Ω (one way)
VM amplifier
Example: Up to 200 m via 200 Ω/km cable
Wall connector (RJ45) Wall connector (RJ45)
4-pair twisted pair shielded cable
Cable resistance (one way)
200 Ω/km
100 Ω/km
50 Ω/km