Fiber Converter To Rs-485 Connection Via Pci-2; Figure 28: Fiber Converter To Rs-485 Connection Via Pci-2 - Honeywell NetAXS NX4S1 Installation Manual

NetAXS™ NX4S1 Installation
System Configuration

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

This connection supports thirty-one NetAXS™ Access Controller panels for each drop line. It has not
been reviewed by UL. Note that PCI-2 units can also be wired anywhere along the drop line. See
Figure 18

Figure 28: 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
38
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on page 28 and Figure 19
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 (-)
Fiber RXD
Fiber TXD
FC485
RXD
PWR
TXD
RS-485 Comm.
RS-485 Positive (+)
RS-485 Negative (-)
Fiber RXD
Fiber TXD
EG
EG
DIP Switch Settings
S1-S5 Panel Address
S6: OFF
J36: OPEN
J37: OPEN
on page 29.
RS-232 (50 Ft. Max.)
EG
DIP Switch Settings
S1-S5 Panel Address
S6: OFF
J36: CLOSED
J37: CLOSED
NetAXS
Panel
EG
EG
RS-485
(4000 Ft. Max.)
RS-485 Fiber Converter
RXD
PWR
TXD
RS-485 Comm.
RS-485 Positive (+)
RS-485 Negative (-)
h ground
Fiber RXD
Fiber TXD
RS-485 Fiber Converter
RXD
PWR
TXD
RS-485 Comm.
RS-485 Positive (+)
RS-485 Negative (-)
Fiber RXD
Fiber TXD
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
FC485