Motorola PTP 500 User's Guide download pdf (Page 275)

100

101

PTP 300 and PTP 500 Series User Guide Installing a GPS receiver for PTP-SYNC

phn-1115_006v000

Sep 2010

5-35

Connecting the drop cable to the GPS receiver

If the chosen GPS receiver is Trimble Acutime™ Gold, then follow this procedure.

The drop cable connecting the Trimble GPS receiver to the LPU must be of the

supported cable type. The drop cable must have a Trimble 12-pin connector at the GPS

end (supplied in the Trimble kit), and an RJ45 connector and standard gland at the

LPU end.

CAUTION

The drop cable has solid copper conductors. There is a limited number of

times each conductor can be bent before it fatigues and fails.

Table 5-1 s

ows how the Trimble connector pins (at the GPS end of the drop cable)

map to the RJ45 connector pins (at the LPU end). Figure 5-13 show

s the positions of

the pins in each type of connector.

Table 5-1 Trimble connector to RJ45 pin mappings

RJ45 wire color Trimble

12-pin conn

Function

Conventional

Supported

drop cable

PTP-SYNC

(J10)

RJ45 pin

1 DC Pwr

(12V)

Orange/White Light Orange 1

2 RxB- Brown/White Light Brown 7

3 RxB+ Brown Brown 8

4 TxB- Blue Blue 4

5 TxB+ Blue/White Light Blue 5

6 RxA- N.C N.C ---

7 RxA+ N.C N.C ---

8 TxA- N.C N.C ---

9 DC Ground Orange Orange 2

10 TxA+ N.C N.C ---

11 Tx1PPS+ Green/White Light Green 3

12 Tx1PPS- Green Green 6

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