Fiber Converter To Rs-485 Connection Via Pci-2; Figure 30: Fiber Converter To Rs-485 Connection Via Pci-2 - Honeywell NetAXS NX4L1 Installation Manual

NetAXS™ NX4L1 Installation Guide
System Configuration

5.12 Fiber Converter to RS-485 Connection via PCI-2

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

Figure 30: Fiber Converter to RS-485 Connection via PCI-2

RS-485 Fiber Converter
RS-485 Fiber Converter
It is recommended to
Earth Ground (EG)
each NetAXS enclosure
Individually
54
www.honeywell.com
Refer to N-485-PCI-2/NetAXS Access
Controller Panel Connection Detail diagram
COM Port
Terminal
EG
FC485
RXD
PWR
TXD
RS-485 Comm.
RS-485 Positive (+)
RS-485 Negative (-)
RS-485 Drain Wire Floating
Fiber RXD
Fiber TXD
Fiber Cable
10,000 ft. max.
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
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
EG
EG
RS-485
(4000 ft. max.)
N-485-PCI-2
DIP Switch Settings
S1 ON
S2 ON
S3 ON
S4 ON
S5 ON
S6 ON
S7 on
S8 OFF
RS-485 Drain Wire to earth ground
Fiber Cable
10,000 ft. max.
RS-485 Drain
Only Earth Ground
(EG) one side of
cable
RS-485 Cable
RS485 NetAXS Panels
Red/White TB7-1 (RS485+)
Black/Green TB7-2 (RS485-)
RS-485 COM 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)
FC485
RS-485 Fiber Converter
RXD
PWR
TXD
RS-485 Comm.
RS-485 Positive (+)
RS-485 Negative (-)
Fiber RXD
Fiber TXD
FC485
RS-485 Fiber Converter
RXD
PWR
TXD
RS-485 Comm.
RS-485 Positive (+)
RS-485 Negative (-)
Fiber RXD
Fiber TXD