56
Installation
Connecting the Wiring
Note Use the above tables and figures as references during installation.
1. Route the field wiring ((data, power, video, contact):
a. Through the field wiring access hole in the housing, and
b. Through the access hole in the interface board installed in the housing.
Note At the appropriate time during the installation, ensure the field wiring access
hole is sealed to prevent anything from getting inside the housing.
2. Remove the plug-in terminal blocks on terminal strips J1 (24 VAC) and J6.
3. (Optional): If required, set up the contact (alarm) input terminal block:
Caution All contact input connects MUST be passive contacts.
Note The terms contact and alarm are used interchangeably to mean the same
thing. Alarm is currently displayed on the OSD, although contact is a better
description since it is not an audible alarm but a change in electrical state to
the contacts resulting in a programmed response.
a. Remove the plug-in terminal block on terminal strip J4.
b. Connect a twisted-pair cable from each peripheral contact to each input at the
number terminal and the common terminal on terminal strip J4. The contact is a
dry contact between the terminal and the common terminal. The contacts can
be configured as normally open (NO) or normally closed (NC).
Note The common terminals are doubled up.
Note The contact cabling should not be terminated until standard operation of the
dome is tested.
c. Configure the contacts as required.
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