Installing the drop cable and LPU
Chapter 5: Installation
5-26
phn-2510_002v000 (Mar 2012)
Installing and grounding the drop cable at building entry
Perform this procedure to install and ground the drop cable and LPU at the building (or
cabinet) entry point (
Figure 25
).
Figure 25
Grounding at building entry
To run the drop cable into the building, proceed as follows:
1
Make an entry point into the building and run the main drop cable into the
building.
2
Ground the drop cable to the external ground bar outside the building entry point,
as described in
Making a drop cable ground point
on page
5-22
.
3
Install the LPU inside the building, not more than 600 mm (24 in) from the
building entry point. Mount the LPU with cable glands facing downwards.
4
Ground the LPU to the master ground bar.
5
Cut any surplus length from the bottom end of the main drop cable and fit an RJ45
connector and gland, as described in
Assembling an RJ45 connector and gland
on
page
5-16
.
6
Connect the main drop cable to the LPU, as described in
Connecting an RJ45 and
gland to a unit
on page
5-19
.
Summary of Contents for PTP 250
Page 1: ...Cambium PTP 250 User Guide System Release 250 02 01 ...
Page 8: ...Safety and regulatory information VI phn 2510_002v000 Mar 2012 ...
Page 20: ...List of Tables xii phn 2510_002v000 Mar 2012 ...
Page 58: ...System management Chapter 1 Product description 1 30 phn 2510_002v000 Mar 2012 ...
Page 104: ...Limit of liability Chapter 3 Legal information 3 12 phn 2510_002v000 Mar 2012 ...
Page 122: ...Notifications Chapter 4 Reference information 4 18 phn 2510_002v000 Mar 2012 ...
Page 152: ...Installing the PoE power supply Chapter 5 Installation 5 30 phn 2510_002v000 Mar 2012 ...