BridgeWave Communications GE60 Microwave Link User Manual Installation Operation Manual

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Document ID	568966
Application ID	5dl9tsI5vYa75enIyItNSQ==
Document Description	User Manual 2 of 2
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	186.34kB (2329236 bits)
Date Submitted	2005-08-05 00:00:00
Date Available	2005-08-05 00:00:00
Creation Date	2005-07-26 18:00:18
Producing Software	Acrobat Distiller 4.05 for Windows
Document Lastmod	2005-07-28 12:13:02
Document Title	Installation & Operation Manual
Document Creator	Microsoft Word 9.0
Document Author:	BridgeWave Communications

TM
GE60 Installation Manual
3 Installation of E60 products
3.1 General
It is recommended that installation personnel read this section in its entirety prior to
installing the BridgeWave System. During a particular phase of installation, the user may
refer directly to the applicable subsection.
The Installation section is comprised of seven subsections covering the procedures and
guidelines for installing the BridgeWave Radio System.
Subsections 3 through 3.4 contain information necessary to prepare for the
equipment installation.
Subsection 3.5 through 3.7 covers equipment installation procedures.
Subsection 3.8 and 3.9 contains information necessary for aligning the antennas.
3.2 Equipment Packing & Unpacking
The radio system equipment will arrive in two boxes—one box for the low band radio
and one box for the high band radio. Locate the correct box (low band or high band)
before beginning installation by checking the label on the outside of the box or on the
radio itself. It is recommended that the shipping cartons and packing materials be
retained in the event that it is necessary to return any equipment.
Note: Unpacked radios can be identified by the color of their labels. The blue color label
indicates a high band radio and the red color label indicates a low band radio. See Figure
3-5 for further details.
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3.3 Equipment Inventory for E60 products
Each carton is accompanied by a packing list. Verify the contents of the carton against
the packing list. Following are inventory lists for a typical system.
Qty
Description
2 ea.
2 ea.
2 ea.
2 ea.
2 ea.
1 ea.
1 ea.
2 ea.
8 ea.
AR60, FE60 orGE60 Radios (1 Low band & 1 High band)
Wall Mount Kits
AC-DC power adapters & power cords
Pole Mount Kits (required only when mounting the radio onto a pole)
Copper grounding cables
Visual alignment tool or VAT (1 provided per pair of radios)
CD-ROM containing Installation Manual (1 provided per pair of radios)
Power cables with DC power connectors attached for use with outdoor radio
DC power connectors
E60 Wall Mount Kit Parts List
Item
Description
Mount Bracket
Radio Yoke
Teflon Shim
⅜ Split Lock Washer
⅜ Flat Washer
⅜-16 x ¾ bolts
Qty.
E60 Pole Mount Kit Parts List
Item
Description
Pole Clamp
⅜-16x9in Threaded
Rod
⅜ Split Lock Washer
⅜ Flat Washer
⅜-16 Hex Nut
⅜-16 x ¾ bolts
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Qty.
14 (2 spare)
14 (2 spare)
13 (1 spare)
6 (2 spare)
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CAUTION!
Tampering with seals will void the warranty.
Notice the warranty stickers on the inner (metal) cover of the radio. The radio is sealed at
the factory. There is no need to open this cover in the field. Tampering with these seals
will void the warranty.
3.3.1 Equipment Inventory for E60X products
Each carton is accompanied by a packing list. Verify the contents of the carton against
the packing list. Following are inventory lists for a typical system.
Qty
Description
2 ea.
GE60X Radios (1 Low band & 1 High band)
2 ea.
AC-DC power adapters & power cords
2 ea.
Pole Mount Kits
1 ea.
CD-ROM containing Installation Manual (1 provided per pair of radios)
2 ea.
Power cables with DC power connectors attached for use with outdoor radio
8 ea.
DC power connectors
2 ea
Antenna and mount kits
GE60X Antenna and Mount Kit Parts List
Item
Description
Antenna
Lower Pole mount
assembly
Upper Pole mount
assembly
Antenna mounting
plate
3/8 bolts
3/8 lock washers
3/8 flat washer
3/8 nylon washer
Qty.
Figure 3-1
CAUTION!
Tampering with seals will void the warranty.
Notice the warranty stickers on the inner (metal) cover of the radio. The radio is sealed at
the factory. There is no need to open this cover in the field. Tampering with these seals
will void the warranty.
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3.4 Installation Tools
The following tools, not provided by BridgeWave, should be used for installing the radio:
Screwdriver, slotted 0.1 inch (2.5mm) wide
Open-end wrench 11/32 (9mm)
Open-end wrench 9/16 (14mm), 2 ea.
Open-end wrench ½ inch (13mm)
Ratchet with 6 inch (15cm) extension and 9/16 inch (14mm) deep socket
Wire stripper/cutter/crimp tool (10-16 gauge)
Electrical tape
Fish tape for pulling cable
Cable tie wraps
Hand-held DVM (digital voltmeter) with standard banana plug receptacles
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3.5 Radio Mount Installation E60 products
Wall Mounting
1.
Install 4 mounting bolts in the wall at the desired location using the template
provided (see Figure 3-4 below). The bolts (normally ⅜-16) should extend 0.8 to
3.0 inches (2cm to 7.5cm) from the wall and be strong enough to secure the radio to
the wall under foreseeable environmental conditions. The environmental conditions
may include, but not limited to, wind, rain, ice, etc. Depending on the wall material
the mount is being attached to, a different size bolt may be appropriate. In this case,
bolts up to ¾ inch in diameter may be used.
2.
Secure the mount to the bolts using the appropriate sized nuts, lock washers, and
flat washers for the bolts used to mount the bracket.
Figure 3-1: Mount in ‘Wall Mount’ Configuration
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3.
Attach the radio yoke to the mount, with Teflon shim in-between, using 2 each of
the supplied ⅜-16 x ¾ bolts, ⅜ lock washers, and ⅜ flat washers. Tighten the bolts
just enough that the yoke can move back and forth without binding.
3/8 Lock Washer
3/8-16x3/4 Bolts
3/8 Flat Washer
Mounting Bracket
Teflon Shim
Radio Yoke
Pole Mounting
The pole mount kit can be used to secure the mount to a pole with diameters between 2.0
to 4.5 inches (50 to 115 mm).
1.
Attach two of the pole clamps to the mounting bracket using 4 each ⅜-16 x ¾ bolts,
⅜ lock washers, and ⅜ flat washers. Attach the threaded rods to the pole clamps
using 8 ⅜-16 nuts and 4 each ⅜ lock washers and ⅜ flat washers. Refer to Figure
3-3.
Note: The nuts on the inside of the pole clamps do not require any washers since
they are only holding the threaded rods in place and to not bare any load.
2.
Secure the mount to the pole using two pole clamps and 4 each ⅜-16 nuts, ⅜ lock
washers, and ⅜ flat washers.
3.
Attach the radio yoke as described above.
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Figure 3-2: Mount with Radio Yoke in ‘Pole Mount’ Configuration
Figure 3-3: Side view of mount in Pole Mount Configuration
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6.25 inches
(15.9 cm)
3.13 inches
(8.0 cm)
Figure 3-4: Template to drill holes on the wall for E60 radio’s “Wall Mount”
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3.5.1 Antenna Mount Installation E60X products
WARNING!
1. Read these instructions before beginning installation. Caution should be used.
Qualified persons experienced with antenna assembly and installation are required for
installation.
2. BridgeWave Communications Inc. disclaims any responsibility or liability for
damage or injury resulting from incorrect or unsafe installation practices.
3. The antenna has been formed to a very close tolerance parabolic shape. Careful
handling and assembly is required to avoid denting the reflector, which would degrade
antenna performance.
1. Attach the upper pole mount.
Confirm that the Mount is
centered as shown.
Tighten bolts Securely
Figure 3-2.1
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2. Attach the lower pole mount as shown.
Hardware: Flat washer, bushing
(inside eye), flat washer, lock
washer, bolt.
Confirm that the Mount is
centered as shown.
Tighten bolts securely
Figure 3-3.1 and 3-4.1
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3. Completed installation of pole mount with right hand offset for the antenna.
Note the position of the elevation
adjust hex nut.
Figure 3-5.1
4. Optional left hand antenna offset mount preparation.
Remove bolts
rotate the antenna mounting plate 180º
replace bolts
tighten bolts securely
Note the new position of the
elevation adjust hex nut.
Figure 3-6.1
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3.6 Radio Installation
1.
Place the radio in the yoke—the two up/down pivot bolts should rest in the U’s cut
in the yoke.
Note that when the radio comes from the factory, the mounting plates are in the
vertical polarization position, that is, the diamond marking on the radio (see insert
below) on the front of the radio housing is to the right when viewed from the front.
For horizontal polarization, the mounting plates should be moved so that the
diamond is at the top when viewed from the front.
Figure 3-5: Polarization diamond orientations: horizontal (left) and vertical (right)
Note: The blue color label indicates a high band radio and the red color label
indicates a low band radio
See Figure 3-5 for further explanation and visual image of horizontal vs. vertical
polarization.
CAUTION!
It is critically important during installation to ensure the radios on each side
of the link are in the same polarization (horizontal-horizontal or verticalvertical). A link that has a radio on one side of the link set in the horizontal
polarization and the other side of the link set in the vertical polarization will
not operate properly.
Further, it is also critically important that a high-band radio is paired with a
low-band radio to ensure the system will operate properly. Prior to installation
check each radio to verify one is a high-band and the other is a low-band
version. The label on the radio will indicate the band (blue for high or red for
low).
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2.
Once the radio has been placed in the yoke mount, insert the bolt in the lower
portion of the yoke to secure the radio to the yoke. Tighten both the pivot bolts and
the lower yoke bolts enough such that the radio is secured in the mount but is still
able to be moved back and forth easily.
Note: Use both flat washer & split
lock washer on lower yoke bolt
Figure 3-6: Detail of Radio in Yoke Mount and the Up/Down Pivot Bolt. Note
that the lower bolt required to secure the radio to the mount has not yet
been inserted in the picture above.
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3.6.1 Antenna and Radio installation
5. Install – Antenna
Slip antenna over pivot pin, ensuring that the elevation adjust pin is engaged with
slot in adaptor plate.
Secure the antenna
with two (2) x 3/8-16
bolts, lock washer, flat
washer and nylon
washers attach antenna
to the alignment plate.
Figure 3-7.1
Note that when the radios come from the factory, they are mounted on the back of
the antenna in the vertical polarization position, that is, the diamond marking (see
insert below) on the front of the radio housing is to the right when viewed from the
front of the radio. For horizontal polarization, the radio needs to be removed from
the antenna and rotated so the diamond is at the top when viewed from the front.
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Figure 3-8.1: Polarization diamond orientations: horizontal (right) and vertical (left)
Note: The blue color label indicates a high band radio and the red color label
indicates a low band radio
CAUTION!
It is critically important during installation to ensure the radios on each side
of the link are in the same polarization (horizontal-horizontal or verticalvertical). A link that has a radio on one side of the link set in the horizontal
polarization and the other side of the link set in the vertical polarization will
not operate properly.
Further, it is also critically important that a high-band radio is paired with a
low-band radio to ensure the system will operate properly. Prior to installation
check each radio to verify one is a high-band and the other is a low-band
version. The label on the radio will indicate the band (blue for high or red for
low).
6. Verify that the four (4) captive 3/8-16 bolts with lock and flat washer are in
place. A ½ inch open-end wrench is required to tighten them. It is important that all
four screws are tightened evenly (hand tight, 1 to 2 turns each and finally until the
lock washer is flattened)
Figure 3-9.1 Captive radio bolt detail
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7. Attach the radio to the back of the antenna and tighten the four (4) bolts.
See 6. for details.
Figure 3-10.1 Attaching the radio to the back of the antenna
8.Adjust azimuth (Side to Side)
1. Loosen the 4
Azimuth lock bolts
3. Secure the 4
Azimuth lock bolts
(tighten until lock
washers are flatend)
2. Adjust eyebolt
length using a 9/16
open-end wrench to
required location
Figure 3-11.1 Azimuth alignment detail
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Caution! It is very important that the azimuth bolts are tightened before any elevation
adjustment is done. The very narrow beamwidth of this antenna (0.6º) makes it necessary
to completely tighten the bolts of the azimuth adjustment while adjusting the elevation
and vice versa.
8. Adjust elevation (up - down)
2. Rotate Elevation
adjust hex nut as
required to set
correct elevation.
1. Loosen (2)
antenna
mounting bolts
3. Tighten all bolts
after the elevation
is set.
Figure 3-12.1 Elevation adjustment
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3.7 Cable Installation
Fiber Cabling
1.
Install a duplex multi-mode fiber from the radio to the network termination
equipment (switch or router with 1000Base-SX port). The cable should be looped
around the inside of the enclosure to provide strain-relief. Do not connect the fibers
to the radio’s fiber ports at this time.
The connectors on the radio end of the fiber require simplex LC connectors; the
connectors on the switch/router end should mate to the network equipment.
Note: The simplex LC connectors for the radio need to be inserted individually
through the slip-fit connectors on the radio, as there is not sufficient room for
both to fit through at the same time.
2.
Connect fibers at the network equipment. It is important not to connect the fibers
to the radio until after aligning the radio as the radio performs an automatic
calibration once the fiber is inserted into the radio and this calibration will not
operate properly if the radio is not properly aligned.
Power Cabling
1.
Select indoor location, with easy cable routing to the radio, for the AC power
adaptor. Normally it is convenient, but not required, to place the adaptor near the
network termination equipment.
2.
Ensure the DC wire used is 12-gauge type and no longer than 250 meters.
3.
Connect the provided DC Connectors onto the 12-guage wire using a
splicing/crimping tool. It may be necessary to trim a few strands from the ends of
thicker stranded cables to more easily fit the crimp connectors.
4.
Install the DC power cable and attach to the AC adaptor using the supplied crimp
connectors. Do not connect the power jack to the radio at this time.
5.
IMPORTANT: Be sure to first connect the DC power crimp connectors before
inserting the power plug into the power jack in the radio. Minor electrical sparks
may be noticed if the sequence above is not followed; however, these sparks will
not cause any harm to the radio or people.
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Figure 3-7: Front view of fiber and power cable installed on a vertically polarized E60 unit.
Figure 3-8: Inside view of fiber and power cable connected E60 or E60X unit
Note: The fiber cable is inserted through the straight through fitting on the left and the
power cable is inserted through the fitting on the right. Both the cables have been looped
around the inside of the enclosure to minimize tension on the cables when connected to
the radio and to maintain proper bend-radius of the fiber cable.
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Ground Cabling
The preferred method for grounding the radio unit is to ground the mast (or wall-mount
bracket) to a ground source, since this provides the largest grounding surface contact
possible. If this is not possible, then use the following procedure:
1.
Attach the lug of the copper ground cable provided with the radio to one of the two
#8 holes at the bottom of the radio using a #8-32 bolt, #8 lock washer and #8 flat
washers.
2.
Connect other end of the ground cable to a nearby ground location.
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3.8 Antenna Alignment E60 systems
1. Place the radio in the mounting bracket, make sure both bolts slide to the bottom of
the cutouts.
2. Tighten mounting bolts just enough to allow radio to pivot up/down and right/left
with minimal effort. DO NOT CONNECT EITHER THE DC OR FIBER
CABLES TO THE RADIO AT THIS POINT! Tilt the radio so that it is roughly
points towards the other end of the link.
3. Insert the Visual Alignment Tool (VAT) into one of the 4 holes in the front (antenna)
face of the radio. The VAT is used to precisely orient (align) the radio in the correct
direction. Select the hole that allows the most convenient viewing of the other end of
the link. The best viewing is achieved with your eye ~13 inches (~33cm) from the
VAT mirror. Move the radio such that it is aimed at the point tangent to the top of the
red indicator when all three indicators (green/red/green) are in a line with equal gaps
between the indicators.
Figure 3-9: View of VAT installed in the left hand side-mounting hole
4. Tilt the radio up/down and right/left so that the radio at the other end of the link is
positioned at the top of the red indicator. See example on the next page.
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R a d io a t fa r e n d o f lin k
T h e a lig n m e n t a id s n e e d to b e in a s tra ig h t lin e .
T a rg e t, o th e r ra d io , is p la c e d a t to p o f m id d le a id .
R ig h t
Radio at far end of link
Aiming Too low
Wrong
5. Ensure fiber cables are still disconnected!
6. Connect DC power to the radio.
7. Verify that the Power LED is lit. If the Power LED is not lit, use voltmeter to verify
correct voltage and polarity at radio. To reverse the power polarity, unplug the
power jack and swap the crimp connectors for the two conductors.
8. Repeat steps 1 through 7 on other side of the link.
9. Verify Link Up LED’s are lit on both radios.
10. Slightly rotate each radio up/down and left/right to find the maximum RSL voltage
reading. [If it was not possible to use the VAT to visually align the radios, then the
radios must be rotated at least ten degrees on each side of the visually-perceived
alignment center to ensure that the true maximum RSL voltage is found; note that the
width of the center beam is only 1.4 degrees and the first side-lobe beam is only 2.5
degrees off from center.] Set the radio in the position that results in the highest RSL
voltage reading. See Section 3.9 to determine the proper use of the supplied test
cable in order to read the RSL voltage.
Note: Verify that the RSL voltage falls within the expected range based on the
graph in Appendix A.
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11. Begin to tighten the mounting bolts. It is important to tighten the bolts in the
following order. First start with the bolts that control the left/right movement of the
radio. These are the bolts on the yoke portion of the mount behind the radio. Start by
tightening the bolt closest to the pole or wall. Once this is tightened, move to the bolt
directly in front of the bolt you just tightened and slowly tighten this bolt. While
tightening the bolts be careful that the radio does not move during the process. As
these bolts are tightened up/down movement of the radio may occur due to the seating
of the mounting bracket and radio yoke. Check the RSL voltage reading to ensure it is
still at its maximum level, and adjust vertical tilt if required. Next, tighten the bolts
that allow the up/down movement of the radio. First tighten the lower bolts on both
sides of the yoke bracket. Once the lower bolts are tightened on both sides of the
radio, tighten the upper bolts.
12. Connect the fiber cable to one of the radios at a time. The fibers should already be
connected to active network equipment.
13. Verify the Fiber LED’s on each radio are lit solid.
Note: The fiber integrity indication on the network equipment could show up or
down independent of the link status. Ones the radio link is up and network
equipment connected on both sides of the link the network equipment will
indicate fiber integrity.
14. Once the fiber is connected to the radio, the radio will begin an internal link
calibration. During this time the Link Up LED will blink for approximately 30
seconds.
15. Wait until the Link Up LED will be lit solid on both radios.
16. Verify the Link Quality voltage is 3.3V (i.e., error free). Repeat steps 10-12 for the
second radio.
Note: When a radio is power cycled, it will re-execute the calibration process.
After this time, the link should be functioning. This automatic calibration process
is also activated if the link is down for more than 50 seconds. Also, if using a loop
back fiber connector at one end of the link for test purposes, note that the radio
connected to actual network equipment must complete auto calibration prior to
connecting the loop back cable at the other end.
17. Remove the VAT from the radio, replace the back plastic cover and use a wrench
to tighten the back cover nut to the point where the back cover stops (i.e., when it hits
the metal ring on the back metal plate). The installation is now complete.
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3.8.1 Turning on an E60X system
1. Finish the installation as described in Chapter 3.6 and 3.7
2. Ensure fiber cables are still disconnected!
3. Connect DC power to the radio.
4. Verify that the Power LED is lit. If the Power LED is not lit, use voltmeter to verify
correct voltage and polarity at radio. To reverse the power polarity, unplug the
power jack and swap the crimp connectors for the two conductors.
5. Repeat steps 1 through 4 on other side of the link.
6. Verify Link Up LED’s are lit on both radios.
7. Slightly rotate each antenna up/down and left/right to find the maximum RSL voltage
reading. To ensure that the antennas are not aligned on a side-lobe, they must be
rotated at least ten degrees on each side of the visually-perceived alignment center to
ensure that the true maximum RSL voltage is found; note that the width of the center
beam is only 0.6 degrees and the first side-lobe beam is only 1.5 degrees off from
center. Set the antenna in the position that results in the highest RSL voltage reading.
See Section 3.9 to determine the proper use of the supplied test cable in order to
read the RSL voltage.
Note: Verify that the RSL voltage falls within the expected range based on the
graph in Appendix A.
8. Ensure all bolts are tightened securely and the RSL voltage remains unchanged
during tightening. Keep in mind that it is very important that the azimuth bolts are
tightened before any adjustment on the elevation is done. The very narrow beamwidth
of this antenna (0.6º) makes it necessary to completely tighten the bolts of the
azimuth adjustment while adjusting the elevation and vice versa.
9. Connect the fiber cable to one of the radios at a time. The fibers should already be
connected to active network equipment.
10. Verify the Fiber LED’s on each radio are illuminated solid.
Note: The fiber integrity indication on the network equipment could show up or
down independent of the link status. Once the radio link is up and network
equipment connected on both sides of the link, the network equipment will
indicate fiber integrity.
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11. Once the fiber is connected to the radio, the radio will begin an internal link
calibration. During this time the Link Up LED will blink for approximately 30
seconds.
12. Wait until the Link Up LED is lit solid on both radios.
13. Verify the Link Quality voltage is 3.3V (i.e., error free). Repeat steps 10-12 for the
second radio.
Note: When a radio is power cycled and it’s fiber cable disconnected, it will reexecute the calibration process. After this time, the link should be functioning.
This automatic calibration process is also activated if the link is down for more
than 5 minutes. Also, if using a loop back fiber connector at one end of the link
for test purposes, note that the radio connected to actual network equipment must
complete auto calibration prior to connecting the loop back cable at the other
end.
14. Remove the test cable from the radio, replace the rear plastic cover and use a wrench
to tighten the back cover nut to the point where the back cover stops (i.e., when it hits
the metal ring on the back metal plate). The installation is now complete.
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Auto Calibration States
State
Unit powered up no
fiber connected
Unit powered up and
fiber cable connected
Normal operation
mode
Forced Recalibration
Description
Unit will be in alignment mode, there will be no automatic
calibration event started until the fiber is connected
The radio will perform a single calibration scan and will then go
into normal operation mode, regardless of the results of the
scan. (Link up or down status has no influence on the scan)
Disconnecting and reconnecting the fiber cables will not cause a
recalibration. A recalibration will only happen if the link is
down for more then 50 seconds.
Power cycling the radio will start the auto calibration routine if
the fiber cables are connected. If the fiber cables are
disconnected the radio will go back into alignment mode.
3.9 Test Cable
The alignment procedure is optimized through the use of the provided test cable. This
test cable is designed for use with a digital voltmeter (not provided) to read the Link
Quality and Receive Signal Level (RSL) voltage generated by the radio’s receiver.
1.
To read the RSL value of the radio, insert GND (ground) and RSL banana plugs
into the voltmeter. Note the RSL voltage. The voltage may be fluctuating; in this
case, note the maximum value seen.
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Figure 3-10: Top view of test cable provided to check Link Quality & Receive Signal level
2.
To read the Link Quality value of the radio, insert GND (ground) and QUAL
banana plugs into the voltmeter. Note the Link Quality voltage. After the radios
have performed an auto calibration the quality voltage should read 3.3v if the link is
aligned on the main antenna beam and there are no obstructions (i.e., trees,
buildings, etc…) in the path, the link distance is within the operating parameters of
the radio (see Section 2.4 above), and it is not raining heavily.
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4 Operation of E60, E60X radios & configuration of network
equipment
The E60 product line has been designed such that it requires no user configuration.
During normal operation, the following conditions should exist at the radio:
The power LED should be lit—solid green;
The fiber LED should be lit—solid green;
The Link Up LED should be lit—solid green; and
The Link Quality BER voltage should be 3.3v, although dips in voltage
are acceptable during periods of precipitation.
Figure 4-1: Link Up, Fiber and Pwr (Power) LED’s indicating link is up and operating
The E60(X) radios them self do not require periodic maintenance. However, each end of
the link should be periodically inspected for visible damage or excessive accumulation of
dirt on the antenna’s radome (the front cover of the radio).
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4.1 Configuring Network Equipment
The networking equipment that is connected to an E60 product should first be checked to
ensure it operates properly over a wired connection. Once this has been confirmed this
will save troubleshooting steps after the radio is installed and connected to the network
equipment.
We strongly recommend the network equipment on both sides of the link be configured
as follows:
1000Mbps full-duplex
No port auto negotiation and no flow control
Port configured not to enter error-disable state due to link up/down
transitions (since these may occur during periods of heavy rain)
4.2 Check port statistics on the network equipment
In the event the network equipment connected to the GE60 offers the capability below,
we recommend you verify the following on the network equipment:
Link integrity
There are no receive errors on the link
Network traffic is flowing in both directions.
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TM
GE60 Installation Manual
5 Troubleshooting
The following table provides a summary of possible problems you might encounter while
installing a BridgeWave GE60 link, along with possible causes and their solutions.
Problem
No power to radio
Possible Cause
Wrong polarity of supply
voltage
The supply voltage measured
at the radio (when
connected) is below 15Vdc
Fiber light lit at radio
but not on network
equipment
Radio link is down and/or
fiber not connected between
remote radio and network
equipment.
TX and RX fiber swapped
Error in the configuration of
the Networking equipment
One or both of the fibers
have been damaged
Can not establish the
wireless link
Units are not properly
aligned
Obstacle in link
580-00507, rev 1
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Resolution
Use a DMV to determine the
polarity and voltage on the DC
cable. (See page12)
The cable run is too long or the
cable gauge is too small.
Shorten the length of the cable
or use larger gauge cable. (See
page 12)
This is normal behavior.
Complete end-to-end
installation and re-check.
Try swapping the TX and RX
fibers at one/both ends of the
connection
Verify the configuration of the
network equipment:
Port is turned on and set to
1000Mbps Full Duplex and auto
negotiation is turned off.
Use a loopback connector at the
radio to verify the radio is OK,
repeat at the networking
equipment. Visually inspect the
fiber cable.
Use the VAT device as
described in the manual. (See
page 27 –28)
Verify the Line of Sight
conditions and check for
required clearance (See page 8
for clearance distances).
TM
GE60 Installation Manual
RSL voltage lower
then expected
Incorrect calculation of link
distance
Antennas aligned on side
lobes
Antennas set to different
polarizations
Installed two high or low
band radios in one link
Low link quality
voltage
Link exceeds maximum
specified range
Fibers are not connected
Antennas are not aligned for
maximum RSL
Auto calibration not
completed
Interference
580-00507, rev 1
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Verify that the calculation tool
used and the GPS used both use
the same annotation system
(degree hours minutes seconds
or degree with a decimal value)
Use Visual Alignment Tool to
verify direction of antennas.
Verify that both radios are set to
the same polarization. (see page
22)
Verify that one end of the link is
high and the other end is a low
band radio (see page 22)
Verify that maximum path
length has not been exceeded
Connect fiber and let radio
perform it’s auto calibration
routine (see page 29)
Use the Visual Alignment Tool
to verify antenna alignment.
Power cycle units to force auto
calibration cycles. (see page 29)
Check for possible interference
by turning off the radio at the
other end of the link and verify
the RSL voltage on the local
site drops below 0.2V

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Creator                         : BridgeWave Communications
Description                     : GE60
Title                           : Installation & Operation Manual

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