
Wiser Home Controller Installation Instructions
16
3.4 Step 1, Connect the CNI to the C-Bus Network Cable
The C-Bus network and the Ethernet LAN are electrically isolated inside the
CNI unit. The C-Bus network provides power for the C-Bus side of the CNI
circuit board.
Do not connect the C-Bus side of the CNI to an Ethernet LAN. Damage to
the equipment will occur.
1. Open the cable access door on the CNI unit.
2. Crimp the wire pairs using bootlace connectors. Connect the
twisted pairs for C-Bus positive (+) and C-Bus negative (-) to the
screw terminals on the PCB connector. The C-Bus network cable
wire colour assignments are defined in Figure 7.
Note: You can install a second set of twisted pairs to daisy chain to
another C-Bus device. For best results, use bootlace crimp connectors.
3. Install the plastic strain relief piece. The strain relief is in the shape
of the letter 'H.'
4. Close the access door. The CNI is now ready for attachment to the
router and busbar.
C-Bus Connection Colour
C-Bus Positive (+) blue
C-Bus Negative (–) blue & white
C-Bus Positive (+) orange
C-Bus Negative (–) orange & white
Figure 7. C-Bus cable details for the C-Bus network
Note
: Wireless C-Bus devices require a C-Bus Wireless Gateway unit. They do not
communicate directly with the Wiser Home Controller's wireless LAN.
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