Honeywell NOTIFIER NCA-2 Instruction Manual page 90

Circuit Type
EIA-485
(power limited)
EIA-232
(power limited)
*In ACS mode, the distance is the total length of the EIA-485 cable from the NCA-2 to the last device on the circuit.
90
Appendix C: Wire Requirements
Circuit Function
Connects to ACS Twisted-shielded pair with a
modules, or TM-4 characteristic impedance of
Transmitter 120 ohms
18 AWG (0.75 mm
Connects to Printers, or Twisted-shielded pair.
PC 18 AWG (0.75 mm
Table C.1 Wire Requirements
Wire Requirements
2
) minimum
2
) minimum
Distance
Typical Wire Type
(ft/m)
6,000/1,829 16 AWG (1.30 mm
*
(max) (e.g. Belden 9860)
50/15.24 (without 16 AWG (1.30 mm
modem) (e.g. Belden 9860)
NCA-2 Manual — P/N 52482:M5 03/20/2019
2
)
2
)