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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)