Nortec Industries NHTC Series - Manual (Page 39)

10-50
Page 2
2008-02-18
WID NHTC LINKS 2 BACnet/IP Option
Supplemental Wiring Diagram
Diagram No. 2531457 Rev. B Aug 22, 2007
Note:
Use open LAN port when employing an internet connection
for BACnet/IP and/or Nortec OnLine.
Nortec LINKS 2
Terminal Strip
(Unit 1)
External wiring ‘by others’
- 18 to 24 AWG stranded
- Twisted pair, shielded
Sh
iel
d
Net - Net +
To Units
2 to 8
A B
RJ-45
EIA-232
Serial Port
Nortec OnLine
Module
RJ-12
1
External
Internal
24 VAC HOT
AC GND
DC GND
9 VDC OUT
9 VDC Input
+9V on center pin
5-Port Ethernet
Switch
1 2 3 4
LAN Ports
DC Power
Supply
5
RJ-45
Nortec LINKS 2
Module NHTC
Processor
Board
J1
J5
J3
J2 J4
Figure 1. Wiring Diagram