Nortec Industries NHTC Series - Manual (Page 40)

10-50
Page 3
2008-02-18
WID NHTC LINKS 2 LonWorks Option
Supplemental Wiring Diagram
Diagram No. 2531433 Rev. B Aug 21, 2007
Note:
Use Router WAN port when employing an internet
connection for OnLine.
Use A and B terminals for LonWorks feedback.
Nortec LINKS 2
Terminal Strip
(Unit 1)
External wiring ‘by others’
- 18 to 24 AWG stranded
- Twisted pair, shielded
Sh
ie
ld
Net - Net +
To BMS
Network
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
4-Port Router
1 2 3 4
LAN Ports
WAN Port
DC Power
Supply
RJ-45
Nortec LINKS 2
Module
LonWorks
Service Pin
NHTC
Processor
Board
J1
J5
J3
J2 J4
Figure 2. Wiring Diagram