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