Siemens Cerberus PYROTRONICS MXL Operation, Installation, And Maintenance Manual page 226

OCC-1 Connections and Ratings
Electrical ratings:
24 VDC, 17mA
5 VDC, 22mA
All wiring must be in accordance with
Article 760 of NEC or the local building
codes.
Maximum wire size:
14 AWG twisted pair, shielded
Minimum wire size:
18 AWG twisted pair, shielded
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Maximum loop resistance:
20 ohms for all wires
End of Line Resistors
Audio risers:
Telephone risers:
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10K, ½W, 5%
P/N 140-820396
5.6K, ½W, 5%
P/N 140-820390
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