5)12V Output and Relay Wiring: The HT-MSU has three 12V and three “Dry Contact Closure” Relay Outputs that can activate mechanical devices such as motorized drapery and projection screen systems, as well as a number of other automation devices. For each device these outputs will control, standard 22 gauge 2-conductor cable (“zip- cord”) can be used. Niles Accessory Cables (FG00724 or FG00933) can also be used
(SEE THE ACCESSORIES SECTION FOR MORE INFORMATION).
6)IR Sensor Wire: The HT-MSU has an infrared (IR) sensor input for connection to any type of Niles IR sensor. Niles IR sensors utilize 4-conductor wiring and have been designed for use with CAT-5 cable (4-pair twisted) (Figure 10).
7)Expansion Cable: The HT-MSU has an Expansion connection that can be
used to extend the built-in RF radio away from the HT-MSU and/or for connection to and “sharing” sources with future Niles multizone receivers
(SEE SYSTEM CONFIGURATION #3 IN THE SYSTEM DESIGN CONSIDERATIONS SECTION). This
cable must be CAT-5 terminated with RJ45 connectors (T568A TERMINATION
PROTOCOL IS SHOWN IN THE INSTALLATION SECTION 7).
Figure 10.
Home run the sensor cable from the sensor to the HT-MSU
PROGRAMMING PREPARATIONS AND WORKSHEET
The HT-MSU has a PC Configuration/Expansion port on the bottom edge that is used for configuring (programming) the system. The use of this port for configuration will be based on one of the following scenarios:
1)If the HT-MSU is being used by itself, the PC Configuration/Expansion port will be empty and used to program the system (Figure 11).
2)If your iC2 System design involves a Radio Frequency Gateway (RFG), CAT-5 cable will already be plugged into the PC Configuration/Expansion port and that cable would be plugged into the “Keypad” connection port of the RFG. Connect a CAT-5 cable to the “System” connection port of the RFG. Programming the iC2 System and the RFG is now accomplished “through” the RFG (Figure 12).
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