External wiring ‘by others’
-18 to 24 AWG stranded
-Twisted pair, shielded
To BMS | To Units |
Network | 2 to 8 |
Nortec LINKS 2
Terminal Strip
(Unit 1)
A B
Net +
Net -
Shield
External
Internal
J5
J3 |
NHTC
Processor
Board
J4 |
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| J1 |
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| J2 | |||
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DC Power
Supply
24 VAC HOT
AC GND 
DC GND 
9 VDC OUT
Note:
Use Router WAN port when employing an internet connection for OnLine.
Use A and B terminals for LonWorks feedback.
1 |
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Nortec OnLine |
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| Nortec LINKS 2 | |
Module |
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| Module | |
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Serial Port |
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| LonWorks |
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| Service Pin |
9 VDC Input | 1 | 2 | 3 | 4 |
+9V on center pin |
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| LAN Ports |
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| WAN Port | |||
WID NHTC LINKS 2 LonWorks Option
Supplemental Wiring Diagram
Diagram No. 2531433 Rev. B Aug 21, 2007
Figure 2. Wiring Diagram
10-50
Page 3
