5
CHAPTER 1: Specifications
1. Specifications
Cable Required:
Between hub and baluns: Unshielded twisted pair (UTP):
Construction standard: Category 3 or higher;
Gauge: 24 AWG or lower;
Core: Solid;
Termination: RJ-45 plugs;
Pairs: Number needed depends on baluns (see balun
manuals); cable with four pairs (eight wires) can support
all balun models;
Impedance: 100 ohms at 1 MHz;
Maximum capacitance: 20 pF/ft. (6.1 pF/m);
Maximum attenuation: 6.6 dB/1000 ft. (2 dB/km) at
1 MHz;
To attached devices: Depends on baluns (see balun
manuals)
Compliance:
CE (EN 55022); FCC Class A, IC Class/classe A;
CISPR Pub. 22 Class B
Video Support:
S-Video; NTSC or PAL composite (baseband) video
Transmission:
Transparent to users (automatic, no delay)
Required Source
Impedance:
Video OUT: 75 ohms;
Audio OUT (if any): 600 ohms maximum
Required Destination
Impedance:
Video IN: 75 ohms;
Audio IN (if any): 600 ohms minimum
Hub Impedance:
Video IN and video OUT: 100 ohms balanced;
Audio IN: 10 kiloohms minimum balanced;
Audio OUT: 600 ohms balanced
Bandwidth (3 dB):
Video: DC to 8 MHz;
Audio: 50 Hz to 16 kHz
Maximum
Differential
Input and Output:
Video: 0.55 volts peak-to-peak;
Audio: 0.5 volts peak-to-peak