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NetAXS™ NX4S1 Installation
Hardware Specifications
7.8 Communications and Wiring
7.9 Reader Wiring
Table 6 Communications and Wiring
Communication Type Description
Maximum
Panels
Maximum Distance:
Feet (Meters)
Direct to COM Port
CBL50, RS-232 Cable 9-pin to RJ-45 1 50 (15)
N-485-PCI-2 RS-485 9-pin to CPU 31 4,000 (1,220)
Modems
SHM-B-ASYNC/
N-485-PCI-2
Short-haul Modem to
RS-485
31 5,280/4,000 (1,610/1,220)
SHM-B-ASYNC/CBL50
Short-haul Modem to
RS-232
1 5,280/50 (1,610/15)
M-56K/N-485-HUB-2 Dial-up Modem to RS-485 31 NA/4,000 (NA/1,220)
Fiber
FC485 Fiber converter to RS-485 31 10,000/4,000 (3,050/1,220)
Table 7 Reader Wiring
Cable Specifications Description AWG Maximum Distance:
Feet (Meters)
Readers
NC1861-BL 6 Conductor, Shielded 18 500 (153)
Alarm Input
NC1821-GR Twisted Pair, Shielded 18 2,000 (610)
Relay Outputs
NC1821-GR Twisted Pair, Shielded 18 2,000 (610)