User's Manual

3.5 Optional External Vehicle Detector Installation

 If an external type vehicle detector will be used, install it according to its own

installation instructions. Connect it to the base station according to the appropriate

wiring diagram on pages 43 – 50. Note that the connections are different for internal

and external vehicle detectors.

 Route a cable from the external vehicle detector output to the J30 connector on the

audio board in the Wireless IQ base station.

 Remove 4 inches (100 mm) of outer insulation from the end of the cable at the base

station, and strip about ¼ inch (6 mm) of insulation from each of the color coded

wires coming from the cables.

 Connect the color-coded wires to connector J30, pins 3 and 5 for negative vehicle

detection according to the wiring diagrams on pages 43 – 50. Be certain the wires

are fully inserted into each connector plug to prevent shorting the wires.

3.6 Optional HME Vehicle Detector Board (VDB)

Installation

To install an HME VDB in the base station, follow the instructions below.

Note: In tandem systems, there will be a VDB in the primary base station for Order

Point #1, and a VDB in the secondary base station for Order Point #2.

 Open the base station by pushing the latches on the front cover and VERY

CAREFULLY guiding the cover downward.

 Carefully position the three holes in the VDB over the three plastic standoffs at the

upper right side, inside the base station, in the position shown on the respective

wiring diagram on pages 43 – 50. Press on the VDB until the tips of the three

standoffs snap through the holes in the board.

Connect the cable assembly enclosed with the VDB to the P1 connector on the

vehicle detector board, and the other end to the J6 connector near the upper, right

corner of the switcher board. If there is no switcher board, connect the cable

assembly to the P1 connector on the vehicle detector board, and the other end to the

J10 connector at the right end of the audio circuit board as shown on pages 43 – 50.

 Route a cable from the underground loop to the TB1 terminal block on the Vehicle

Detector Board.

 Close the cover on the base station, and lock it by pushing until it latches.