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