User's Guide Part 2

User Guide: PTP 600 Series Installing the GPS receiver for PTP-SYNC
phn-0896_009v003
Feb 2010
UNDER DEVELOPMENT
5-35
Grounding the GPS receiver drop cable
Wall installation
For installations where the GPS receiver module is fitted to an external wall, it is not
necessary to ground bond the GPS cable.
Metal tower or mast installation
For installations where the GPS receiver module is fitted to a metal tower or mast, the
screen of the GPS cable MUST be ground bonded to the metal tower or mast.
To identify the required grounding points, refer to Mounting the GPS receiver module
o
n a metal tower or mast on page 2-37.
To gr
ound the cable, follow the procedure described in Grounding the drop cable to a
metal tower or mast on page 5-11.
Mounting the LPU and connecting the GPS receiver
To mount the LPU and connect it to the drop cable from the GPS receiver, proceed as
follows:
Procedure 5-12 Mount LPU and connect to GPS receiver
1
Check the contents of the LPU box (
Figure 2-10).
2
Mount the LPU (following manufacturer’s instructions) at the point where the
drop cable from the GPS receiver enters the building (
Figure 2-20 or Figure
2-21
). Mount the LPU vertically with cable glands facing downwards.
3
Prepare the LPU end of the GPS receiver drop cable as described in
Preparing
the supported Superior Essex cable
on page 5-8.
4
Connect the cable gland of the GPS receiver drop cable to the LPU as described
in
Connecting the drop cable to an ODU or LPU on page 5-16.
5
Make an unscreened CAT5e cable to connect the LPU to the ‘GPS/SYNC IN’
interface of the PTP-SYNC unit.