Download NetAXS™ Two-Door Access Control Unit Installation Guide

NetAXS™ NX4S2 Installation
System Configuration
5.14 Fiber Converter to RS-485 Connection via NetAXS™
This connection supports thirty-one NetAXS™ Access Controller panels for each drop line. It has not
been reviewed by UL.
Figure 29: Fiber Converter to RS-485 Connection via NetAXS™
RS-485
(4000 Ft. Max.)
COM Port
RS-232 (50 Ft. Max.)
WIN-PAK Host
FC485
RS-485 Fiber Converter
EG
RXD
PWR
TXD
FC485
RS-485 Fiber Converter
RS-485 Comm.
RS-485 Positive (+)
EG
RXD
PWR
TXD
RS-485 Negative (-)
RS-485 Comm.
RS-485 Positive (+)
DIP Switch Settings
S1-S5 Panel Address
S6: OFF
J36: CLOSED
J37: CLOSED
Fiber RXD
Fiber TXD
RS-485 Negative (-)
Fiber RXD
Fiber TXD
FC485
RS-485 Fiber Converter
RXD
PWR
TXD
FC485
RS-485 Fiber Converter
RS-485 Comm.
RXD
PWR
TXD
RS-485 Positive (+)
RS-485 Negative (-)
RS-485 Comm.
Fiber RXD
RS-485 Positive (+)
Fiber TXD
RS-485 Negative (-)
Fiber RXD
Fiber TXD
NetAXS
Panel
EG
EG
It is recommended to
Earth Ground (EG)
each NetAXS enclosure
Individually
EG
RS-485 Cable
EG
NetAXS Panels
DIP Switch Settings
S1-S5 Panel Address
S6: OFF
J36: OPEN
J37: OPEN
NetAXS Access Control Unit NX4S2 Installation Guide, Document 800-04115, Revision A
TB7-1 (RS485+)
TB7-2 (RS485-)
TB7-3 (RS485 COM)
4,000 ft. (1,200 m) max, 24 AWG, 2 twisted pairs with
shield, 120 ohm, 23 pf (HAS part no. NCP2441-TN)
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