Cambium Networks 50450M 5 GHz Point to Multipoint User MIMO Accesspoint User Manual 450 Platform User Guide

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Document Description	USER GUIDE P2
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Date Submitted	2016-09-27 00:00:00
Date Available	2016-09-29 00:00:00
Creation Date	2016-08-26 11:29:27
Producing Software	Microsoft® Word 2013
Document Lastmod	2016-09-01 12:39:19
Document Title	450 Platform User Guide
Document Creator	Microsoft® Word 2013
Document Author:	Cambium Networks

Chapter 6: Installation
This chapter describes how to install and test the hardware for a PMP/PTP 450 platform link. It
contains the following topics:

ODU variants and mounting bracket options on page 6-2 provides details of six different
bracket options, including the type of ODU and range of pole diameters supported by each
option.

Mount the ODU, LPU and surge suppressor on page 6-3 describes how to mount and ground
an integrated or connectorized ODU, how to mount and ground the top LPU.

Installing the copper Cat5e Ethernet interface on page 6-17 describes how to install the copper
Cat5e power over Ethernet interface from the ODU to the PSU.

Installing external antennas to a connectorized ODU on page 6-21 describes how to install
external antennas for a connectorized ODU.

Installing ODU on page 6-56 describes how to install PTP and PMP ODU radios.

Installing the AC Power Injector on page 6-61 describes how to install a power supply unit for
the PMP/PTP 450 platform, either the AC Power Injector.

Supplemental installation information on page 6-64 contains detailed installation procedures
that are not included in the above topics, such as how to strip cables, create grounding points
and weatherproof connectors.
Note
These instructions assume that LPUs are being installed from the PMP/PTP 450
platform LPU and grounding kit (Cambium part number C000065L007). If the
installation does not require LPUs, adapt these instructions as appropriate.
If LPUs are being installed, only use the five black-capped EMC cable glands supplied
in the LPU and grounding kit. The silver-capped cable glands supplied in the ODU kits
must only be used in PMP/PTP 450 platform installations which do not require LPUs.
Page 6-1
Chapter 6: Installation
ODU variants and mounting bracket options
ODU variants and mounting bracket options
Mounting bracket– PMP/PTP 450i
The PMP/PTP 450i series supports below mentioned mounting bracket option:
Table 81 PMP/PTP 450i ODU mounting bracket part numbers
Cambium description
Cambium part number
Mounting bracket – low profile adjustable
N000045L002A
The low profile bracket provides elevation adjustment with the PMP/PTP 450i Integrated ODUs of
+10° to –5° or +5° to –10°. A larger adjustment range is available using the standard integrated
mounting bracket. The connectorized mounting bracket does not provide elevation adjustment.
Mounting bracket– PMP 450 900 MHz SM
The PMP 450i 900 MHz SM has special mounting bracket option. The PMP 450i 900 MHz AP
mounting procedure is the same as the other 450i radios. The 900 450 SM has a different
mounting bracket which is supplied along with yagi antenna.
Page 6-2
Chapter 6: Installation
Mount the ODU, LPU and surge suppressor
Mount the ODU, LPU and surge suppressor
To install the ODU and top LPU, use the following procedures:

Attach ground cables to the ODU on page 6-3

Mount the ODU on the mast on page 6-6

Mount the top LPU on page 6-9

Mount the Surge Suppressor on page 6-9
Attach ground cables to the ODU
PMP 450m Series – AP
Fasten an AWG 10 (or 6mm2) copper ground
cable to each ODU grounding point using the
M6 (small) lugs.
Tighten the Ground post screws.
Securely connect the copper wires to the
grounding system (Protective Earth) and the
LPU or Gigabit Ethernet Surge Suppressor
according to applicable regulations.
Page 6-3
Chapter 6: Installation
Mount the ODU, LPU and surge suppressor
PMP/PTP 450i Series – AP/SM/BH, PMP 450 3GHz Ruggedized SM
Fasten an AWG 10 (or 6mm2) copper ground
cable to each ODU grounding point using the
M6 (small) lugs.
Tighten the Ground post screws.
Securely connect the copper wires to the grounding system (Protective Earth) and the LPU or
Gigabit Ethernet Surge Suppressor according to applicable regulations.
Page 6-4
Chapter 6: Installation
Mount the ODU, LPU and surge suppressor
PMP 450 AP
Fasten an AWG 10 (or 6mm2) copper ground
cable to each ODU grounding point using the
M6 (small) lugs
Tighten the Ground post locking nut in the
copper wire
Securely connect the copper wire to the grounding system (Protective Earth) according to
applicable regulations.
PMP 450 SM
Fasten an AWG 10 (or 6mm2) copper ground
cable to each ODU grounding point using the
M6 (small) lugs
Tighten the Ground post locking nut in the
copper wire
Page 6-5
Chapter 6: Installation
Mount the ODU, LPU and surge suppressor
Securely connect the copper wire to the grounding system (Protective Earth) according to
applicable regulations.
The grounding point on PMP 450 900 MHz SM is different from 2.4, 3.5/3.65 and 5 GHz PMP 450
SMs as shown in Figure 47.
Figure 47 PMP 450 900 MHz SM grounding
Mount the ODU on the mast
PMP 450m Series – AP
See - PMP 450m Series – AP on page 6-49 for Installion
for an integrated ODU
Remove the rear bracket strap from upper and lower
brackets of ODU
Attach the upper and lower bracket of ODU to the
mount point by closing the rear strap around the pole
Tighten the four serrated flange M10 nuts on upper
and lower rear strap using a 17 mm spanner wrench.
These must be tightened evenly on the pol to avoid
jumping/stripping threads
Page 6-6
Chapter 6: Installation
Mount the ODU, LPU and surge suppressor
PMP/PTP 450i Series – AP/SM/BH, PMP 450 3 GHz Ruggedized SM
Caution
Do not reverse the bracket clamp, as this arrangement may lead to failure of the
assembly. Do not over-tighten the bolts as this may lead to failure of the assembly.
Fix the mounting plate to the back of the ODU using
the four bolts, and spring and plain washers provided.
Tighten the bolts.
Attach the bracket body to the mounting plate using
the M8 bolt, spring and plain washers.
Hoist the ODU to the mounting position
Attach the bracket body to the pole using the bracket
clamp, M8 bolts, and spring and plain washers.
Adjust the elevation and azimuth to achieve visual
alignment.
PMP 450 AP
Using an 8mm nut driver, attach the pole mount’s
AP housing bracket to the unit using the 4 M5 x
16mm bolts included with the AP.
Using the included (depending on pole diameter):

M8 x 70mm hex cap bolts ( 2 quantity)
or

M8 x 40mm hex cap bolts ( 2 quantity)
and

M8 flat washers ( 2 quantity)

M8 coil washers ( 2 quantity)
Attach the mounting bracket to the pole/mast.
The mounting bracket is designed to attach to
poles with diameters in the range of 2 in. (50mm)
to 3in. (75mm).
Page 6-7
Chapter 6: Installation
Mount the ODU, LPU and surge suppressor
Complete the AP mounting assembly by attaching
the included:

8mm hex cap bolt ( one quantity)
Through the AP’s attached mounting bracket and
pole mount. At this time the AP may be adjusted
to the desired position and tightened with a 1/2
inch spanner wrench to 11 lb/ft (14Nm).
PMP 450 SM (except PMP 450 SM - 900 MHz)
Use stainless steel hose clamps for the
attachment.
Stainless steel
hose clamps
Attach the mounting bracket to the structure.
Tighten the locking nut.
Reflector dish arm
PMP 450 900 MHz SM (connectorized)
The PMP 450 900 MHz connectorized SM mounting procedure is different from other radios. It
does not get directly mounted on pole.
Align the 900 MHz SM to E bracket
of Yagi antenna
Slide the radio towards right to
lock on the antenna
Slide towards right to lock
Page 6-8
Chapter 6: Installation
Mount the ODU, LPU and surge suppressor
Mount the top LPU
1 For separate LPU mounting, use the U-bolt
bracket from the LPU kit to mount the top LPU
on the pole below the ODU. Tighten to a torque
setting of 7.0 Nm (5.2 lb ft).
Please refer Gigabit LPU and Grounding Kit
Installation Guide for more details.
Mount the Surge Suppressor
PMP/PTP 450i Series
Gigabit Ethernet Surge Suppressors are installed at both ends of the drop cable. One within 600
mm (24”) space of and under the ODU. The other located within 600 mm (24”) space of the
building entry point.
Quick procedure:
The quick procedure for the Surge Suppressor for PMP/PTP 450i Series mounting is as follows:
Ground using the terminal on the back of the
units. Use the supplied Tubular Lug and 6 mm2
(10 AWG) stranded cable, max length 600 mm
(24”).
I.
Waterproof the cable lug with heat
shrink sleeving.
II.
Secure the Cable assembly to the unit using
the supplied screw and washer.
Mounting the Gigabit Ethernet Surge Suppressor
on wall or pole
Page 6-9
Chapter 6: Installation
Mount the ODU, LPU and surge suppressor
Connecting the two CAT5e cables to the Gigabit
Ethernet Surge Suppressor
Slide the end cap over the bottom of the Gigabit
Surge Suppressor, ensuring it clicks firmly in
place
Please refer Gigabit Ethernet Surge Suppressor Installation Guide for more details.
Figure 48 Gigabit Surge Suppressor
Page 6-10
Chapter 6: Installation
Mount the ODU, LPU and surge suppressor
PMP/PTP 450 Series
The PMP/PTP 450 Series uses 600SSH Surge Suppressor. The inside of the surge suppressor is
shown in Figure 49.
Caution
The PMP 450 900 MHz SM is based off the 450 platform, be sure to use a 600SS to
protect this radio type.
Figure 49 600SSH Surge Suppressor – inside
Key to Callouts 600SSH
Holes—for mounting the Surge
Suppressor to a flat surface (such as an
outside wall). The distance between
centers is 4.25 inches (108 mm).
RJ-45 connectors—One side (neither side
is better than the other for this purpose)
connects to the product (AP, SM, or
cluster management module). The other
connects to the AC adaptor’s Ethernet
connector.
Ground post and washer—use heavy
gauge (10 AWG or 6 mm2) copper wire for
connection. Refer to local electrical codes
for exact specifications.
Ground Cable Opening—route the 10
AWG (6 mm2) ground cable through this
opening.
CAT-5 Cable Knockouts—route the two
CAT-5 cables through these openings, or
alternatively through the Conduit
Knockouts.
Conduit Knockouts—on the back of the
case, near the bottom. Available for
installations where cable is routed
through building conduit.
Note
The 600SSH surge suppressor is shipped in the “isolated” position (pin 4 isolated by
68V from protective earth). If packet error issues occur over the Ethernet link (verify by
pinging the device through the 600SSH), configure the 600SSH to “grounded”
position (by moving the 600SSH switch from “isolated” to “ground”) to avoid ground
loops that may be present in the system.
Page 6-11
Chapter 6: Installation
Mount the ODU, LPU and surge suppressor
The mounting procedure for the Surge Suppressor for PMP/PTP 450 Series is as follows:
Remove the cover of the 600SSH Surge Suppressor.
With the cable openings facing downward, mount the 600SSH to the outside of the
subscriber premises, as close to the point where the Ethernet cable penetrates the residence
or building as possible, and as close to the grounding system (Protective Earth) as possible.
Wrap an AWG 10 (or 6mm2) copper wire around the Ground post of the 600SSH.
Tighten the Ground post locking nut in the 600SSH onto the copper wire.
Securely connect the copper wire to the grounding system (Protective Earth) according to
applicable regulations.
Using diagonal cutters or long nose pliers, remove the knockouts that cover the cable
openings to the 600SSH.
Pack both of the surge suppressor Ethernet jacks with dielectric grease.
Wrap an AWG 10 (or 6mm2) copper wire around the Ground post of the 600SSH.
Tighten the Ground post locking nut in the 600SSH onto the copper wire.
10
Securely connect the copper wire to the grounding system (Protective Earth) according to
applicable regulations.
11
Using diagonal cutters or long nose pliers, remove the knockouts that cover the cable
openings to the 600SSH.
12
Pack both of the surge suppressor Ethernet jacks with dielectric grease.
13
Wrap a splice loop in the loose end of the Ethernet cable from the SM.
14
Connect that cable to one of the Ethernet jacks.
15
Connect an Ethernet cable to the other Ethernet jack of the 600SSH and to the power adapter.
16
Replace the cover of the 600SSH.
General protection installation
To adequately protect a 450 platform installation, both ground bonding and transient voltage
surge suppression are required.
Basic requirements
The following basic protection requirements must be implemented:

ODU must be in ‘Zone B’ (see Lightning protection zones on page 3-9).

ODU must be grounded to the supporting structure.

A surge suppression unit must be installed on the outside of the building.
Page 6-12
Chapter 6: Installation
Mount the ODU, LPU and surge suppressor

The distance between the ODU and Gigabit Surge Suppressor should be kept to a minimum.

The drop cable must not be laid alongside a lightning air terminal.

All grounding cables must be a minimum size of 10 mm2 csa (8AWG), preferably 16 mm2 csa
(6AWG), or 25 mm2 csa (4AWG).
Grounding cable requirements
When routing, fastening and connecting grounding cables, the following requirements must be
implemented:

Grounding conductors must be run as short, straight, and smoothly as possible, with the
fewest possible number of bends and curves.

Grounding cables must not be installed with drip loops.

All bends must have a minimum radius of 203 mm (8 in) and a minimum angle of 90° (Figure
50). A diagonal run is preferable to a bend, even though it does not follow the contour or run
parallel to the supporting structure.

All bends, curves and connections must be routed towards the grounding electrode system,
ground rod, or ground bar.

Grounding conductors must be securely fastened.

Braided grounding conductors must not be used.

Approved bonding techniques must be used for the connection of dissimilar metals.
Figure 50 Grounding cable minimum bend radius and angle
Caution
Do not attach grounding cables to the ODU mounting bracket bolts, as this
arrangement will not provide full protection.
Page 6-13
Chapter 6: Installation
Mount the ODU, LPU and surge suppressor
Protection requirements for a mast or tower installation
If the ODU is to be mounted on a metal tower or mast, then in addition to the general protection
requirements (above), the following requirements must be observed:

The equipment must be lower than the top of the tower or its lightning air terminal.

The metal tower or mast must be correctly grounded.
Schematic examples of mast or tower installations are shown in Figure 51.
Figure 51 Grounding and lightning protection on mast or tower
Outdoor CAT5e cable
Cat5e cable
Ground Cable
Tower/building ground system
AP/BHM
Ground to opposite side
ODU grounding lug
Equipment building
Gigabit surge suppressor
Gigabit surge suppressor
External
ground bar
Power
supply
Network
switch
Ground ring
Protection requirements for a wall installation
If the ODU is to be mounted on the wall of a building, then in addition to the general protection
requirements (above), the following requirements must be observed:
 The equipment must be lower than the top of the building or its lightning air terminal.
 The building must be correctly grounded.
Page 6-14
Chapter 6: Installation
Mount the ODU, LPU and surge suppressor
Schematic examples of wall installations are shown in Figure 52.
Figure 52 Grounding and lightning protection on wall
Outdoor CAT5e cable
Cat5e cable
Building ground system
Equipment building
Ground cable
Ground to opposite-side
ODU grounding lug
SM/BHS
Gigabit Surge Suppressor
Gigabit Surge Suppressor
External
ground bar
Power
Supply
Network
switch
Ground ring
Page 6-15
Chapter 6: Installation
Mount the ODU, LPU and surge suppressor
Protection requirements on a multifloor building
If the ODU is to be mounted on a high rise building, it is likely that cable entry is at roof level
(Figure 32) and the equipment room is several floors below. The following additional requirements
must be observed:

The ODU must be below the lightning terminals and finials.

A grounding conductor must be installed around the roof perimeter to form the main roof
perimeter lightning protection ring.

Air terminals are typically installed along the length of the main roof perimeter lightning
protection ring typically every 6.1m (20ft).

The main roof perimeter lightning protection ring must contain at least two down conductors
connected to the grounding electrode system. The down conductors should be physically
separated from one another, as far as practical.
Figure 53 Grounding and lightning protection on building
Page 6-16
Chapter 6: Installation
Installing the copper Cat5e Ethernet interface
Installing the copper Cat5e Ethernet interface
To install the copper Cat5e Ethernet interface, use the following procedures:

Install the main drop cable on page 6-17

Install the bottom LPU to PSU drop cable on page 6-19

Installing external antennas to a connectorized ODU on page 6-21
Caution
To avoid damage to the installation, do not connect or disconnect the drop cable when
power is applied to the PSU or network terminating equipment.
Caution
Always use Cat5e cable that is gel-filled and shielded with copper-plated steel.
Alternative types of Cat5e cable are not supported by Cambium Networks. Cambium
Networks supply this cable (Cambium part numbers WB3175 and WB3176), RJ45
connectors (Cambium part number WB3177) and a crimp tool (Cambium part number
WB3211). The LPU and grounding kit contains a 600 mm length of this cable.
Install the main drop cable
Warning
The metal screen of the drop cable is very sharp and may cause personal injury.

ALWAYS wear cut-resistant gloves (check the label to ensure they are cut resistant).

ALWAYS wear protective eyewear.

ALWAYS use a rotary blade tool to strip the cable (DO NOT use a bladed knife).
Warning
Failure to obey the following precautions may result in injury or death:

Use the proper hoisting grip for the cable being installed. If the wrong hoisting grip is
used, slippage or insufficient gripping strength will result.

Do not reuse hoisting grips. Used grips may have lost elasticity, stretched, or become
weakened. Reusing a grip can cause the cable to slip, break, or fall.

The minimum requirement is one hoisting grip for each 60 m (200 ft) of cable.
Page 6-17
Chapter 6: Installation
Installing the copper Cat5e Ethernet interface
Cut to length and fit hoisting grips
Cut the main drop cable to length from the top LPU to the bottom LPU.
Slide one or more hoisting grips onto the top end of the drop cable.
Secure the hoisting grip to the cable using a special tool, as recommended by the manufacturer.
Terminate with RJ45 connectors
Caution
Check that the crimp tool matches the RJ45 connector, otherwise the cable or
connector may be damaged.
Strip the cable outer sheath and fit the RJ45 connector load bar.
Fit the RJ45 connector housing as shown. To ensure there is effective strain relief, locate the
cable inner sheath under the connector housing tang.
Table 82 RJ45 connector and cable color code
Pin
Color (Supplied
cable)
Color
(Conventional)
Light Orange
White/Orange
Orange
Orange
Light Green
White/Green
Blue
Blue
Light Blue
White/Blue
Green
Green
Light Brown
White/Brown
Brown
Brown
Pins on plug face
Figure 54 RJ45 cable
RJ45 Connector (Bottom)
Straight-Through Cable
``
Page 6-18
Chapter 6: Installation
Installing the copper Cat5e Ethernet interface
Install the bottom LPU to PSU drop cable
Install the bottom LPU
Install the bottom LPU, ground it, and connect it to the main drop cable.
Select a mounting point for the bottom LPU within 600 mm (24 in) of the building entry point.
Mount the LPU vertically with cable glands facing downwards.
Power over Ethernet CAT5e
cable (gel-filled, shielded with
copper-plated steel)
Network CAT5e cable
Ground cables
Bottom LPU
Maximum 600 mm
(24 inches)
PSU drop
cable
AC supply
PSU
Site grounding system
Building
entry
point
Network
terminating
equipment
LPU to grounding system
Grounding system
Connect the main drop cable to the bottom LPU.
Fasten one ground cable to the bottom LPU using the M6 (small) lug. Tighten both nuts to a
torque of 5 Nm (3.9 lb ft):
Locking nut
Washer
M6 lug
Washer
Nut
Toothed washer
M10 lug to ground
Select a building grounding point near the LPU bracket. Remove paint from the surface and
apply anti-oxidant compound. Fasten the LPU ground cable using the M10 (large) lug.
Page 6-19
Chapter 6: Installation
Installing the copper Cat5e Ethernet interface
Install the LPU to PSU drop cable
Use this procedure to terminate the bottom LPU to PSU drop cable with RJ45 connectors at both
ends, and with a cable gland at the LPU end.
Warning
The metal screen of the drop cable is very sharp and may cause personal injury.
ALWAYS wear cut-resistant gloves (check the label to ensure they are cut resistant).
ALWAYS wear protective eyewear. ALWAYS use a rotary blade tool to strip the cable,
not a bladed knife.
Caution
Check that the crimp tool matches the RJ45 connector, otherwise the cable or
connector may be damaged.
Cut the drop cable to the length required from bottom LPU to PSU.
2 At the LPU end only:

Fit one cable gland and one RJ45 connector by following the procedure Terminate with
RJ45 connectors on page 6-18.

Connect this cable and gland to the bottom LPU.
At the PSU end only: Do not fit a cable gland. Strip the cable outer sheath and fit the RJ45
connector load bar. Fit the RJ45 connector housing. To ensure there is effective strain relief,
locate the cable inner sheath under the connector housing tang:
Page 6-20
Chapter 6: Installation
Installing external antennas to a connectorized ODU
Installing external antennas to a connectorized ODU
PMP 450i Series
To mount and connect an external antenna to the connectorized ODU, proceed as follows:
1 Mount the antenna(s) according to manufacturer’s instructions.
2 Connect the ODU A and B interfaces to the antenna(s) with RF cable of type LMR-400 (Cambium
part numbers 30010194001 and 30010195001) and N type connectors (Cambium part number
09010091001). Tighten the N type connectors to a torque setting of 1.7 Nm (1.3 lb ft).
3 If the ODU is mounted indoors, install lightning arrestors at the building entry point:
4 Form drip loops near the lower ends of the antenna cables. These ensure that water is not
channeled towards the connectors.
5 If the ODU is mounted outdoors, weatherproof the N type connectors (when antenna alignment
is complete) using PVC tape and self-amalgamating rubber tape.
6 Weatherproof the antenna connectors in the same way (unless the antenna manufacturer
specifies a different method).
RF cable
CAT5e cable
Equipment building
or cabinet
RF cables to
antenna
Connectorized
ODU
Lightning arrestors
AC supply
PSU
Network
equipment
Ground ring
Page 6-21
Chapter 6: Installation
Installing external antennas to a connectorized ODU
7 Ground the antenna cables to the supporting structure within 0.3 meters (1 foot) of the ODU and
antennas using the Cambium grounding kit (part number 01010419001):
Antenna
RF cable
PMP/PTP 450i ground
cable
Connectorized ODU
8 Fix the antenna cables to the supporting structure using site approved methods. Ensure that no
undue strain is placed on the ODU or antenna connectors. Ensure that the cables do not flap in
the wind, as flapping cables are prone to damage and induce unwanted vibrations in the
supporting structure.
Note
A video on weatherproofing procedure can be found at:
https://www.youtube.com/watch?v=a-twPfCVq4A
Page 6-22
Chapter 6: Installation
Installing external antennas to a connectorized ODU
Assembling the PMP 450i 5.x GHz AP sector antenna and attaching to
the radio
To assemble a PMP 450i Series AP antenna, perform the following steps.
Note
Cambium recommends to assemble the antenna, attach the AP and cabling, and to
seal the RF connections before installing the unit at the deployment site.
Inventory the parts to ensure that you have them all before you begin. The full set of parts
is shown below.
Figure 55 AP antenna parts
Page 6-23
Chapter 6: Installation
Installing external antennas to a connectorized ODU
Remove top plate from the antenna as shown in Figure 56.
Figure 56 Antenna top plate
Attach the antenna plate to the AP as shown in Figure 57.
Note
Please use the four “thin neck” M6 bolts and split washers provided with
the connectorized units rather that the ones provided in the antenna kit.
Figure 57 Attaching antenna plate to the AP
Page 6-24
Chapter 6: Installation
Installing external antennas to a connectorized ODU
Attach the plate mounted AP to the antenna and tighten the (4) serrated flange nuts using
a spanner wrench
Figure 58 Attaching the plate
Connect the port A of AP to vertical and port B of AP to horizontal polarization interfaces of
the antenna with RF cable. Tighten the N type connectors to a torque setting of 1.7 Nm (1.3
lb ft).
Figure 59 Connect the port A and B to the PMP 450i AP
Page 6-25
Chapter 6: Installation
Installing external antennas to a connectorized ODU
Assemble the upper bracket by attaching the (2) 7” hex bolts to the bracket using (2)
serrated flange nuts
Figure 60 AP antenna upper bracket assembly
Attach the upper bracket to the adjustment
arms using (2) hex bolts, (2) flat washers and
(2) lock washers. Feed the bolt through the
lock washer then flat washer, then thread the
bolt into the upper bracket’s threaded
receptacle.
Page 6-26
Figure 61 AP antenna upper bracket
attached to upper adjustment arms
Chapter 6: Installation
Installing external antennas to a connectorized ODU
Attach the rear strap to the upper bracket
using (2) serrated flange nuts and (1)
retaining bracket. Do not tighten the nuts
now.
Figure 62 Rear strap connected to upper
AP antenna bracket
Attach the entire upper bracket to the
antenna using (2) hex bolts, (2) flat washers
and (2) lock washers. Feed the bolt through
the lock washer then flat washer, then thread
the bolt into the upper bracket’s threaded
receptacle.
Figure 63 Assembled upper bracket
connected to AP antenna
10
Begin assembling the lower bracket by
attaching the (2) 7” hex bolts to the bracket
using (2) serrated flange nuts
11
Attach the rear strap to the bracket using (2) serrated flange nuts and (1) retaining bracket.
Do not tighten the nuts now.
Figure 64 AP Antenna Lower Bracket
Assembly
Attach the entire lower bracket to the antenna using (2) hex bolts, (2) flat washers and (2)
lock washers.
Page 6-27
Chapter 6: Installation
Installing external antennas to a connectorized ODU
Figure 65 Lower bracket attached to AP
antenna
Page 6-28
Figure 66 Completed AP and antenna
assembly
Chapter 6: Installation
Installing external antennas to a connectorized ODU
PMP 450 Series
Assembling the PMP 450 AP antenna
To assemble a PMP 450 Series AP antenna, perform the following steps.
Note
Cambium recommends to assemble the antenna, attach the AP and cabling, and to
seal the RF connections before installing the unit at the deployment site.
Inventory the parts to ensure that you have them all before you begin. The full set of parts
is shown below.
Figure 67 PMP 450 AP antenna parts
Page 6-29
Chapter 6: Installation
Installing external antennas to a connectorized ODU
Begin assembling the upper bracket by attaching the (2) 7” hex bolts to the bracket using
(2) serrated flange nuts
Figure 68 AP antenna upper bracket assembly
Attach the upper bracket to the adjustment
arms using (2) hex bolts, (2) flat washers
and (2) lock washers. Feed the bolt through
the lock washer then flat washer, then
thread the bolt into the upper bracket’s
threaded receptacle.
Figure 69 AP antenna upper bracket
attached to upper adjustment arms
Page 6-30
Chapter 6: Installation
Installing external antennas to a connectorized ODU
Attach the rear strap to the upper bracket using (2) serrated flange nuts and (1) retaining
bracket. Do not tighten the nuts now.
Figure 70 Rear strap connected to upper AP antenna bracket
Attach the entire upper bracket to the
antenna using (2) hex bolts, (2) flat washers
and (2) lock washers. Feed the bolt through
the lock washer then flat washer, then
thread the bolt into the upper bracket’s
threaded receptacle.
Figure 71 Assembled upper bracket
connected to AP antenna
Page 6-31
Chapter 6: Installation
Installing external antennas to a connectorized ODU
Begin assembling the lower bracket by
attaching the (2) 7” hex bolts to the bracket
using (2) serrated flange nuts
Attach the rear strap to the bracket using (2)
serrated flange nuts and (1) retaining
bracket. Do not tighten the nuts now.
Figure 72 AP Antenna Lower Bracket
Assembly
Figure 73 Lower bracket attached to AP
antenna
Attach the entire lower bracket to the
antenna using (2) hex bolts, (2) flat washers
and (2) lock washers.
Attaching the PMP 450 AP to the antenna
To attach a PMP 450 Series AP to the antenna, perform the following steps.
Page 6-32
Chapter 6: Installation
Installing external antennas to a connectorized ODU
Note
Use shielded cable for all infrastructure connections associated with APs, SMs, and
CMMs. The environment that these modules operate in often has significant unknown
or varying RF energy. Operator experience consistently indicates that the additional
cost of shielded cables is more than compensated by predictable operation and
reduced costs for troubleshooting and support.
Attach the included bracket to the rear of
the AP using the (4) M5 x 7mm bolts
Attach the AP to the antenna by sliding the bracket onto the bolts and tighten the (4)
serrated flange nuts using a 13 mm spanner wrench.
Figure 74 Attaching bracket to the rear of
the AP
Figure 75 Lower bracket attached to AP antenna
Page 6-33
Chapter 6: Installation
Installing external antennas to a connectorized ODU
Note
If using a non-standard antenna, do not cover the equilibrium membrane vent located
on the back of the unit.
Equilibrium Membrane Vent
Figure 76 Mounted PMP 450 AP and antenna assembly, viewed from back and back
Page 6-34
Chapter 6: Installation
Installing external antennas to a connectorized ODU
Attaching the PMP 450 platform AP and antenna to the mount
point
Attach the upper bracket of the antenna to the mount point by closing the rear strap around
the pole and tightening the (2) serrated flange nuts using a 13mm spanner wrench. These
must be tightened evenly on the pol to avoid jumping/stripping threads.
Figure 77 Attaching the AP antenna upper bracket to the pole
Attach the lower bracket of the antenna to the mount point by closing the rear strap around
the pole and tightening the (2) serrated flange nuts using a 13mm spanner wrench. These
must be tightened evenly on the pole to avoid jumping/stripping threads.
Figure 78 Attaching the AP antenna lower bracket to the pole
Use a local map, compass, and/or GPS device as needed to determine the direction that one
or more APs require to each cover the 90° sector.
Page 6-35
Chapter 6: Installation
Installing external antennas to a connectorized ODU
Choose the best mounting location for your particular application.
Note
Use the embedded spectrum analyzer or a commercial analyzer to evaluate
the frequencies present in various locations. OFDM APs need not be mounted
next to each other. They can be distributed throughout a given site. However,
the 90° offset must be maintained. If you want to collocate these APs with
PMP 100 Series APs of the 5.4-GHz frequency band range, plan to allow at
least 25 MHz of separation between their center channels.
Secure a ground strap to the ground lug on the back of the AP.
Secure the ground strap to the pole, tower, or other trusted ground.
The bracket of the standard antenna has provision for measured down tilt. The
recommended practice is to use one of the many radio analysis and mapping tools or online tools to calculate down tilt based on antenna height above the service area.
The proper angle of tilt can be calculated as a factor of both the difference in elevation and
the distance that the link spans. Even in this case, a plumb line and a protractor can be
helpful to ensure the proper tilt. This tilt is typically minimal.
The number of degrees to offset (from vertical) the mounting hardware leg of the support
tube is equal to the angle of elevation from the lower module to the higher module ( General page of the BHM for Synchronization configuration.
If a CMM4 is connected, set the Sync Input parameter to the AutoSync or Autosync
+ Free Run selection.
Installing a PTP 450 platform BHS
To install a PTP 450 platform Series BHS, perform the following steps.
Procedure 8 Installing a BHS
Choose the best mounting location for the BHS.
Terminate the UV outside grade Category 5 Ethernet cable with an RJ-45 connector,
and connect the cable to the BHS. (See Powering the AP/SM/BH for test
configuration on Page 5-15)
Use stainless steel hose clamps or equivalent fasteners to lock the BHS into
position.
Install an surge suppressor as describe in section Mount the Surge Suppressor on
page 6-9
For coarse alignment of the BHS, use the Audible Alignment Tone feature as
follows:
a. At the BHS, connect the RJ-45 connector of the Alignment Tool Headset to the
Aux port via alignment tone adapter as shown in Figure 158 on page 8-20.
b. Listen to the alignment tone for pitch, which indicates greater signal power
(RSSI/dBm) by higher pitch.
Adjust the module slightly until you hear the highest pitch and highest volume
When you have achieved the best signal (highest pitch, loudest volume), lock the
BHS in place with the mounting hardware
Page 6-59
Chapter 6: Installation
Installing ODU
Configuring the Link
See Configuring remote access on page 7-255.
Monitoring the Link
See Monitoring the Link on page 7-256.
Page 6-60
Chapter 6: Installation
Installing the AC Power Injector
Installing the AC Power Injector
Caution
As the PSU is not waterproof, locate it away from sources of moisture, either in the
equipment building or in a ventilated moisture-proof enclosure. Do not locate the PSU
in a position where it may exceed its temperature rating.
Caution
Do not plug any device other than a PMP/PTP 450i ODU into the ODU port of the PSU.
Other devices may be damaged due to the non-standard techniques employed to
inject DC power into the Ethernet connection between the PSU and the ODU.
Do not plug any device other than a Cambium PMP/PTP 450 platform PSU into the
PSU port of the ODU. Plugging any other device into the PSU port of the ODU may
damage the ODU and device.
Installing the AC Power Injector
Follow this procedure to install the AC Power Injector:
Form a drip loop on the PSU end of the LPU to PSU drop cable. The drip loop ensures that
any moisture that runs down the cable cannot enter the PSU.
(a) Place the AC Power Injector on a horizontal surface. Plug the LPU to PSU drop cable into
the PSU port labeled ODU. (b) When the system is ready for network connection, connect the
network Cat5e cable to the LAN port of the PSU:
(a)
(b)
Page 6-61
Chapter 6: Installation
Installing CMM4
Installing CMM4
Note
For instructions on CMM3 (CMMmicro) or CMM4 installation, including the outdoor
temperature range in which it is acceptable to install the unit, tools required,
mounting and cabling instructions, and connectivity verification, please see the
PMP Synchronization Solutions User Guide located on the Cambium website.
The Cluster Management Module 4 (CMM4) provides power, sync, and network connectivity for up
to eight APs, backhauls, and Ethernet terrestrial feeds in a variety of configurations. The CMM4
provides

Sync over Power over Ethernet and integrated surge suppression on the controller board for
up to 8 APs or BHs. Both a custom 30 VDC power scheme and a custom 56 VDC power scheme
are available. Neither is the same as the later IEEE Standard 802.3af, and neither is compatible
with it.

Managed switching using a hardened EtherWAN switch (1090CKHH models). The CMM4 ships
with a 14-port EtherWAN switch and is also available without a switch. The CMM4 originally
shipped with a 9-port EtherWAN switch.

Surge suppression on the controller board for the incoming 30V DC and 56V DC power lines
and GPS coax cable.

Auto-negotiation on the Ethernet ports. Ports will auto-negotiate to match inputs that are either
100Base-T or 10Base-T, and either full duplex or half duplex, when the connected device is set
to auto-negotiate. Alternatively, these parameters are settable.

An always-on NTP (Network Time Protocol) server that can provide date and time to any radio
that can reach the CMM’s management IP address.

CNUT can be used to upgrade the CMM-4 software.
PMP/PTP 450 platform can use the CMM4’s EtherWan switch for their network connectivity.
Note
The 56V of a CMM4 needs to go through the adapter cable (part number
N000045L001A) as shown in Figure 24 on page 2-36.
The CMM4 56V power adapter cable can be prepared by swapping pins 5 and 7.
See CMM4 56V power adapter cable pinout on page 2-36 for power adapter cable
pinout.
Page 6-62
Chapter 6: Installation
Installing CMM4
Figure 98 CMM4 cabled to support PMP/PTP 450 platform
To PMP/PTP 450
platform Radio
Page 6-63
Chapter 6: Installation
Supplemental installation information
Supplemental installation information
This section contains detailed installation procedures that are not included in the above topics,
such as how to strip cables, create grounding points and weatherproof connectors.
Stripping drop cable
When preparing drop cable for connection to the PMP/PTP 450 platform ODU or LPU, use the
following measurements:
When preparing drop cable for connection to the PMP/PTP 450 platform PSU (without a cable
gland), use the following measurements:
Page 6-64
Chapter 6: Installation
Supplemental installation information
Creating a drop cable grounding point
Use this procedure to connect the screen of the main drop cable to the metal of the supporting
structure using the cable grounding kit (Cambium part number 01010419001).
To identify suitable grounding points, refer to Drop cable grounding points on page 3-14.
Remove 60 mm (2.5 inches) of the drop cable outer sheath.
Cut 38mm (1.5 inches) of rubber tape (self-amalgamating) and fit to the ground cable lug.
Wrap the tape completely around the lug and cable.
Fold the ground wire strap around the drop cable screen and fit cable ties.
Page 6-65
Chapter 6: Installation
Supplemental installation information
Tighten the cable ties with pliers. Cut the surplus from the cable ties.
Cut a 38mm (1.5 inches) section of self-amalgamating tape and wrap it completely around the
joint between the drop and ground cables.
Use the remainder of the self-amalgamating tape to wrap the complete assembly. Press the
tape edges together so that there are no gaps.
Page 6-66
Chapter 6: Installation
Supplemental installation information
Wrap a layer of PVC tape from bottom to top, starting from 25 mm (1 inch) below and
finishing 25 mm (1 inch) above the edge of the self-amalgamating tape, overlapping at half
width.
Repeat with a further four layers of PVC tape, always overlapping at half width. Wrap the
layers in alternate directions (top to bottom, then bottom to top). The edges of each layer
should be 25mm (1 inch) above (A) and 25 mm (1 inch) below (B) the previous layer.
Prepare the metal grounding point of the supporting structure to provide a good electrical
contact with the grounding cable clamp. Remove paint, grease or dirt, if present. Apply antioxidant compound liberally between the two metals.
10 Clamp the bottom lug of the grounding cable to the supporting structure using site approved
methods. Use a two-hole lug secured with fasteners in both holes. This provides better
protection than a single-hole lug.
Page 6-67
Chapter 6: Installation
Supplemental installation information
Attaching and weatherproofing an N type connector
The following procedure should be used to weatherproof the N type connectors fitted to the
connectorized ODU (AP/SM/BH) and antenna. This procedure must be followed to ensure that
there is no moisture ingress at the radio ports. Failure to properly seal N-type antenna connectors
can result in poor link performance or complete loss of radio communication.
Note
Cambium recommends to assemble the antenna, attach the ODU and cabling, and to
seal the RF connections before installing the unit at the deployment site.
Note
N type connectors should be tightened using a torque wrench, set to 15 lb in or 1.7
Nm. If a torque wrench is not available, N type connectors may be finger tightened.
Use this procedure to weatherproof the N type connectors fitted to the connectorized ODU and
external antenna (if recommended by the antenna manufacturer).
Ensure the connection is tight. A torque wrench should be used if available:
Wrap the connection with a layer of 19 mm (0.75 inch) PVC tape, starting 25 mm (1 inch)
below the connector body. Overlap the tape to half-width and extend the wrapping to the
body of the LPU. Avoid making creases or wrinkles:
Page 6-68
Chapter 6: Installation
Supplemental installation information
Smooth the tape edges:
Cut a 125mm (5 inches) length of rubber tape (self-amalgamating):
Expand the width of the tape by stretching it so that it will wrap completely around the
connector and cable:
Press the tape edges together so that there are no gaps. The tape should extend 25 mm
(1 inch) beyond the PVC tape:
Page 6-69
Chapter 6: Installation
Supplemental installation information
Wrap a layer of 50 mm (2 inch) PVC tape from bottom to top, starting from 25 mm (1 inch)
below the edge of the self-amalgamating tape, overlapping at half width.
Repeat with a further four layers of 19 mm (0.75 inch) PVC tape, always overlapping at half
width. Wrap the layers in alternate directions:

Second layer: top to bottom.

Third layer: bottom to top.

Fourth layer: top to bottom.

Fifth layer: bottom to top.
The bottom edge of each layer should be 25 mm (1 inch) below the previous layer.
Check the completed weatherproof connection:
Note
A video of this procedure can be found at:
https://www.youtube.com/watch?v=a-twPfCVq4A
Page 6-70

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