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4-8
4.3.2
VIP Input Connections
The VIP input pins are only available on the back of the control head (remote mount). These
connections control inputs from switches. One side of the switch connects to ground while the other
side connects to a buffered input on the control head. The switch can be normally closed (NC) or
normally open (NO) depending on the configuration of the VIP inputs. There are three VIP input
connections, as follows:
VIP IN #
1
2
3
NOTE: Remote Mount requires the VIP cable to be attached to J400.
MCH installations require the VIP inputs to be connected to the head assigned ID #1. See
Section 2.2.2.5: "Setting the Initial Control Head ID" on page 2-24
APX 7500 radios equipped with the following features are capable of transmitting
!
automatically, even if the radio is turned off:
C a u t i o n
All APX 7500 have accessory connector pins 14 and 15 connected together to allow
the radio to power down. Opening this connection by REMOVING the accessory
connector, or otherwise failing to maintain a normally closed path, could, if left
unchecked, drain the vehicle battery, and possibly cause transmissions to occur.
Options and Accessories Installation: Vehicle Interface Port Overview
Table 4-2. VIP Input Connections
J400
Ground Pin
On/Off Switched
Number
Pin Number
2 (green)
2 (green)
2 (green)
10 (violet)
• Automatic Vehicle Location
• Other Special Data Products
Ground Pin
Number
8 (white)
9 (orange)
J2
On/Off Switched
Pin Number
NA
NA
NA
NA
NA
NA
for further information.
6878215A01
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