Connections
Installation
17
BACNET-GW-3 Installation and Operation Manual – P/N LS10014-000NF-E:C6 5/5/2017
2.3.2 Connecting to a Standard NCM
Figure 2.7 Routing Power and Communication to a Standard NCM
Table 2.3 Standard NCM Connections
Type
Connection
NCM-W
Twisted pair wire
NCM-F
Fiber-optic cable
TB2
24V In From External
Power Source to TB2
Out to NCM
NCM
BACNET-GW-3
Connect
Either
Cable to
Either
NUP Connector
on the NCM
Communication
from
NUP A (J4)
Only
–
+
+
–
24 VDC