Installation guide

Theater Installation Guide (97127016B) 48
Appendix — RS485 data cable information
RS485 data cable information
Two types of RS485 data cable are available from Adaptive:
•RS485 plenum cable (7124-0203) — indoor/outdoor cable. If this cable is used outdoors, it should be
encased in a UV-protectant casing.
•RS485 non-plenum cable (7122-0203) — indoor cable.
Table 4: RS485 plenum cable (7124-0203)
Description 1/Pr. 24 AWG FFEP shielded cable, 100% aluminum Mylar and 95% tinned copper braid,
300V Type NEC/CMP LO-CAP (Belden 89841 equivalent)
Conductor AWG size and stranding: 24 AWG 7/32
Material: Tinned copper
Insulation Material: FFEP - Foam Fluorinated Ethylene Propylene
Wall thickness: 0.020 inch
Color code Black/Red
Assembly Lay length: 2.0 inch L-H-L
Binder: None
Shield #1: Aluminum polyester foil shield. 100% coverage.
Shield #2: Tinned copper braid shield. 95% coverage.
Drain: 24 AWG 7/32 strand tinned copper
Capacitance 12 pF/ft Nom.
Velocity of Propagation 81.6%
Impedance 120 ohms
DC resistance 27.7 ohms per 1000 ft @ 68°F
Jacket Material: FEP — Fluorinated Ethylene Propylene (Teflon®)
Wall thickness: 0.015 inch
Diameter: 0.176 inch Nom OD
Color: Red
Temperature: -70°C to 200°C
Cable weight 20.09 pounds/1000 ft
Markings Type: NEC CMP
Legend: As desired.