Chapter 1 Installation and Setup
1-5
1
Cables and Connectors
•
DMX data cables: Belden
®
9841 or equivalent (meets specifications for EIA RS-485
applications) with characteristics listed below:
•
2-conductor twisted pair plus a shield
•
maximum capacitance between conductors - 30 pF/ft.
•
maximum capacitance between conductor and shield - 55 pF/ft.
•
maximum resistance of 20
Ω
/1000 ft.
•
nominal impedance 100–140
Ω
•
22–24 AWG with insulation having a dielectric rating of 300 volts or higher
•
DMX data connectors: Standard 3-pin male and female XLR connectors
•
DMX data terminators: Male XLR connector with 120 ohm terminator (see Chapter 2)
Содержание Cyberlight
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