10
HD77 Installation Guide
Figure 6 – Knockout Locations
3. Secure the back plate to the wall at the location:
Step 1.
Install the device a minimum of 2cm (~1 in) from the ceiling, between 2.1m and 2.7m off the
floor.
Step 2.
Insert the Ethernet and 4-wire combus cables through the wiring slot of the back plate.
Step 3.
Secure the back plate to the wall with screws. (use wall anchors if required).
Step 4.
Ensure that the wall tamper knockout is secured to the wall.
Step 5.
Wire up both the 4-wire combus and the Ethernet cable.
Step 6.
Connect the wires to the terminal board as seen in
Figure 8 on page 11
and
Figure 7 on page 11
.
Note:
A singleCAT5 or higher cable can be used to wire a single HD77 camera. This cable includes 2 twisted
pairs for the 4-wire combus and 2 twisted pairs for the Ethernet lines. When using this option the cable
length is limited to 50 meters. When using this option the cable length is limited to 50 meters.
R B G Y Rx-
TX-
RX+
Tx+
R B G Y Rx-
TX-
RX+
Tx+
Anti-Tamper
For corner
installation
Anti-Tamper
For wall
installation
Wall mount
Ceiling
Corner mount
