Fiber Converter To Rs-485 Connection Via Netaxs; Figure 31: Fiber Converter To Rs-485 Connection Via Netaxs - Honeywell NetAXS NX4L1 Installation Manual

5.13 Fiber Converter to RS-485 Connection via NetAXS

This connection supports 31 NetAXS Access Controller panels for each drop line. It has not been
approved by UL.

Figure 31: Fiber Converter to RS-485 Connection via NetAXS

FC485
RS-485 Fiber Converter
RS-485 Fiber Converter
It is recommended to
Earth Ground (EG)
each NetAXS enclosure
Individually
NetAXS™ NX4L1 Access Control Unit Installation Guide, Document 7-901099V3
COM Port
Terminal
EG
RXD
PWR
TXD
NetAXS Panel
RS-485 Comm.
TB1-3 (RS485 COM)
RS-485 Positive (+)
TB1-1 (RS485+)
RS-485 Negative (-)
TB1-2 (RS485-)
RS-485 Drain Wire Floating
Fiber RXD
Fiber TXD
Fiber Cable
10,000 ft.
FC485
RS-485 Drain
not connected here
RXD
(connected at panel side)
PWR
TXD
RS-485 Comm.
RS-485 Positive (+)
RS-485 Negative (-)
Fiber RXD
Fiber TXD
NetAXS
Panel
EG
EG
DIP Switch Settings
S1-S5 Panel Address
S6: OFF
J36: OPEN
J37: OPEN
RS-232 (50 ft. max.)
NetAXS
Panel
DIP Switch Settings
S1 S5 Panel Address
S6 ON
J36 CLOSED
J37 CLOSED
EG
DIP Switch Settings
S1-S5 Panel Address
S6: OFF
J36: CLOSED
J37: CLOSED
NetAXS Panel
TB1-3 (RS485 COM)
TB1-1 (RS485+)
TB1-2 (RS485-)
NetAXS Panel
TB1-3 (RS485 COM)
TB1-1 (RS485+)
TB1-2 (RS485-)
NetAXS
Panel
EG
EG
NetAXS™ NX4L1 Installation Guide
RS-485
(4000 ft. max.)
NetAXS
Panel
RXD
PWR
TXD
NetAXS Panel
TB1-3 (RS485 COM)
RS-485 Comm.
TB1-1 (RS485+)
RS-485 Positive (+)
TB1-2 (RS485-)
RS-485 Negative (-)
RS-485 Drain Wire to earth ground
Fiber RXD
Fiber TXD
Fiber Cable
10,000 ft.
RXD
PWR
TXD
RS-485 Comm.
RS-485 Positive (+)
RS-485 Negative (-)
Fiber RXD
Fiber TXD
RS-485 Cable
NetAXS Panels
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)
System Configuration
FC485
RS-485 Fiber Converter
FC485
RS-485 Fiber Converter
55