Installation notes:
• All wiring is 24 AWG (0.2047 mm
2
) to 18 AWG (0.8321 mm
2
), twisted pair.
• Maximum wire distance: 2,500 ft (762 m) from ES Net Digital Audio Controller primary to the last digital audio riser card.
• Maximum total line distance and capacitance: 18 AWG (0.8321 mm
2
): 40 Ohms maximum 0.055 μF maximum 24 AWG (0.2047 mm
2
):
135 Ohms maximum 0.055 μF maximum.
• All wiring that leaves the building requires the 2081-9044 Overvoltage Protector at each entry or exit to the building. A maximum of four
overvoltage protectors are allowed. Each 2081-9044 adds 6 Ohms and 0.006 μF.
• Wiring must be free of all grounds.
• The maximum number of digital interface cards per digital audio riser is 31.
• All riser wiring is supervised and power-limited.
• Audio wiring is not to be mixed in the same jacket with other wiring, including other audio wiring.
page 21 579-1408 Rev. B
ES Net Digital Audio Controller Installation Instructions
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