TransCore MPRX, System Manual

Page: 56 / 208

MPRX
TransCore Proprietary 4–9
Sense Cable
Pair Color Pin Number Name
Pair 1
White 3 I/O GND
Black 7 CTAG 0
Pair
2
White 3 I/O GND
Brown 8 CTAG 1
Pair
3
White 4 I/O GND
Red 1 +12V
Pair
4
White 4 I/O GND
Orange 1 +12V
Pair
5
White 6 OUT 0
Yellow 7 OUT 1
Pair
6
White 11 I/O GND
Green 5 PULSE OUT
Pair
7
White 9 I/O GND
Blue 12 SENSE 0
Pair
8
White 10 I/O GND
Violet 11 SENSE 1
If the MPRX is connected directly to a TRU, all power supply connections are made through
the MPRX-to-TRU cable assembly. Refer to Chapter 10,
“Interface to Train Recording Unit”
on page 10–1 for wiring assignments.
Mounting the MPRX
This section lists procedures and materials required for mounting the MPRX on a wall or
other flat surface based on the site’s requirements.
In permanent installations the MPRX should be positioned as close as possible to the
antenna. Long cable runs increase system sensitivity to noise. Refer to
Table 2 – 5 on page
2–13 for maximum RF cable lengths.
TransCore advises that for optimum heat dissipation, the MPRX should be mounted
vertically with the RF antenna ports at the bottom (refer to
Figure 4 – 5 ). Figure 4 – 8
shows the outer dimensions and mounting hole locations for preparing to install the MPRX.