Chapter 2
Installation
About This Chapter
This chapter describes how to install the BreezeNET DS.5800 outdoor and indoor units, as well as how to verify their correct function.
BreezeNET DS.5800 System Manual
2-2
Packing List
Verify that all of the following items are included with the unit:
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Indoor unit.
!
Outdoor unit (includes integrated antenna or antenna connector for optional connection to external antenna).
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Sun Cover with screws (with DS.5800D units only).
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Pole mounting kit for the Outdoor unit (includes two brackets and four sets of screws, nuts and washers).
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110/220 VAC Power Cord.
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30 meter Indoor-to-Outdoor cable.
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3 shielded RJ-45 connectors.
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Configuration Utility diskette.
Other Items Required for
Installation
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Indoor-to-Outdoor cable* (available in different lengths if the 30m cable included with the unit is insufficient).
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Antenna* and RF cable* (if using an external antenna).
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Ground cable with an appropriate termination.
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Ethernet cable (straight for connecting to a hub).
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Installation tools and materials, including appropriate means (e.g. a pole) for installing the outdoor unit.
!
Crimping tool for RJ-45 connectors.
Items marked with an asterisk (*) are available as options from Alvarion.
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Installation
Installation Overview
2-3
1.
Select appropriate locations for the outdoor unit, the antenna (if using an external antenna) and the Indoor unit.
2.
Mount the outdoor unit. If using an external antenna mount the antenna and connect it to the outdoor unit.
3.
Connect a ground cable from the outdoor unit to an appropriate grounding point.
4.
Connect the Indoor-to-Outdoor cable to the outdoor unit and route it to the location selected for the indoor unit. Refer to Appendix B for instructions on preparing the Indoor-to-Outdoor cable.
5.
Mount the indoor unit. Connect the Indoor-to-Outdoor cable to the indoor unit’s Radio port.
6.
Connect the indoor unit’s Ethernet port to the user’s network using an Ethernet cable.
7.
Configure the unit’s parameters.
8.
Align the antenna and verify connectivity with any other units.
NOTE:
The indoor unit should be connected to the power source only
after
it has been connected to the outdoor unit.
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BreezeNET DS.5800 System Manual
Figure 2-1: General Installation Scheme - Pole Mounting
NOTE:
Use a straight Ethernet cable to connect the indoor unit to a hub, or use a crossed cable to connect it directly to a PC’s Network Interface Card (NIC).
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Installation
Outdoor Installation
Considerations
2-5
This chapter describes various considerations to take into account when planning an outdoor installation including site selection, antenna alignment, antenna polarization, antenna seal, and cell size.
Collocating DS.5800 Outdoor Units
Up to four BU-DS.5800 units using sector antennas, at least 1 m apart can be collocated on the same building top or tower. Collocating more then four units may decrease performance depending upon the type of antenna and its direction. Each unit should be assigned to one of the non-overlapping channels: 1, 6, 11 or 14.
Site Selection Factors
When selecting a location for outdoor units and external antennas, remember to take into consideration the following guidelines:
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Minimum distance between sites.
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Maximum height above the ground.
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Maximum line of sight clearance.
Path of Clearest Propagation
A propagation path is the path that signals traverse between the antennas of any two units. The “line” between two antenna sites is an imaginary straight line, which may be drawn between the two antennas.
Any obstacles in the path of the “line” degrade the propagation path.
The best propagation path is, therefore, a clear line of sight with good clearance between the “line” and any physical obstacle.
Physical Obstacles
Any buildings or other physical structures such as trees, mountains or other geographic features higher than the antenna and situated in the path between the two sites can constitute obstructions and cause signal attenuation. Install outdoor antennas high enough to avoid any obstacles, which may block the signal.
Path Loss
Path loss is determined mainly by several factors:
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Distance between sites
– Path loss is lower and system performance better when distances between sites are shorter.
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BreezeNET DS.5800 System Manual
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Clearance
– Path loss is minimized when there exists a clear line of sight. The number, location, size, and makeup of obstacles determine their contribution to path loss.
!
Antenna height
– Path loss is lower when antennas are positioned higher. Antenna height is the distance from the imaginary line connecting the antennas at the two sites to ground level. Ground level in an open area is the actual ground. In dense urban areas, ground level is the average height of the buildings between the antenna sites.
Rooftop Installation
Rooftop installations offer several advantages:
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Fewer obstacles in the path.
!
Improved performance due to greater height.
Antennas for Outdoor Applications
The
BreezeNET DS.5800 series can be used in point-to-point or pointto-multipoint configurations.
Point-to-Point
The BU-DS.5800/RB-DS.5800 can be equipped with a directional antenna. The required antenna gain depends on the required range and performance.
Using the 28dBi 2 ft. parabolic antennas available from Alvarion, distances of up to 30 miles (50 km) can be achieved.
Point-to-Multipoint
Setting up a point-to-multipoint link requires the use of a base unit equipped with an omni-directional antenna (or an antenna with sufficient beamwidth to illuminate all units) and at least two remote units equipped with high-gain directional antennas.
Antenna Polarization
Antenna polarization must be the same at both ends of the link. In most applications, the preferred orientation is vertical polarization, which is best for above ground propagation. To verify antenna polarization, refer to the assembly instructions supplied with the antenna set.
Antenna Seal
When using outdoor antennas, you must seal all cable connections to prevent water or dirt from entering the connector.
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Installation
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Cell Size/Link Distance
In a multipoint environment, cell size is determined by the maximum possible distance between the BU-DS.5800 and a RB-DS.5800 unit. For open outdoor areas with an unobstructed line of sight between the BU-
DS.5800 and the RB-DS.5800 units, the suggested maximum distance is up to 11 miles (18 km), using the 90
°
sector antenna available from
Alvarion and the integrated 21dBi antenna.
Available Antennas
The following table lists several antennas suitable for BreezeNET
DS.5800 units.
Outdoor installations must have a clear line-of-sight between antennas.
Solid obstacles such as buildings or hills can prevent the establishment of a link while partial obstacles such as trees or traffic can reduce range. Extended coaxial cables can cause an increase in signal loss and a reduction in range.
NOTE:
Cable length should be minimized in order to gain maximum link budget
Table 2-1: Available Antennas
Dispersion
OMNI-8-5.8
Gain
8 dBi Establishing 360° coverage for outdoor multipoint links.
SEC5-17V-90-5.8
17 dBi
360°H/13° V
90°H/8° V
UNI-28-5.8
28.5 dBi
Medium to long range Covering ¼ of a cell (90 degree sector antenna). Tx power must be reduced to 18dBm.
Long range outdoor point-topoint links.
6°H/6° V
Dimensions
H x W x D
14" x 5/8"
Tubular
26" x 9" x 8"
24" parabolic
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BreezeNET DS.5800 System Manual
Configuring the EIRP of the System
Table 2-2: RF Power Settings
Antenna
OMNI-8-5.8
Ant. Gain Purpose
8 dBi Multipoint
SEC5-17V-90-5.8
17 dBi
UNI-28-5.8
28 dBi
Integral Antenna
21dBi
Multipoint
Point to
Point
Power Setting
24dBm
18dBm or less
24dBm
PtP or PtMP PtP = 24dBm
PtMP=15dBm or less
EIRP
32dBm
35dBm
52dBm
PtP = 45dBm
PtMP =
36dBm
Precautions
NOTE:
Outdoor units and antennas should be installed ONLY by experienced antenna installation professionals who are familiar with local building and safety codes and, wherever applicable, are licensed by the appropriate government regulatory authorities.
The system complies with the ETS 300 385 standard and is protected against secondary lightning strikes when its outdoor unit is properly grounded according to the applicable country-specific industry standards for protection against lightning. The system complies with EN 61000-4-5, test level 3 (2kV).
Failure to do so may void the BreezeNET Product Warranty and may expose the end user to legal and financial liabilities. Alvarion and its resellers or distributors are not liable for injury, damage or violation of government regulations associated with the installation of detached antennas.
Compliance with Radio Regulations
Regulations regarding maximum antenna gains vary from country to country. It is the responsibility of the end user to operate within the limits of these regulations as well as to ensure that the professional installer is aware of these regulations.
Violation of government regulations exposes the end user to legal and financial liabilities. Alvarion, its resellers and distributors shall not be liable for expense or damage incurred as a result of installations that exceed local transmit power limitations.
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Installation
Installing the Outdoor Unit
2-9
The outdoor unit can be secured to the pole using one of the following options:
!
Special brackets sets (supplied with each unit). There are two pairs of screw holes on the units, allowing the use of the brackets with various pole widths.
!
U-bolts - size A (inner installation holes, up to 2" pole).
!
U-bolt - size B (outside installation holes, up to 3" pole).
!
Metal bands (9/16” wide, minimum 12” long).
Figure 2-2 shows the locations of the holes, grooves and screw holes on the back of the unit.
Figure 2-3 illustrates the method of installing a unit on a pole using the supplied brackets.
NOTE:
Make sure to install the unit with the bottom panel (the panel with the signal strength bar and LEDs) facing downward.
Figure 2-2: Holes/Grooves/Screw Holes
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BreezeNET DS.5800 System Manual
Figure 2-3: 3” Pole Mounting Installation Using the Supplied Brackets
NOTE:
When inserting the open-ended screws, make sure to insert them with the grooves pointing outwards; these grooves are intended to allow fastening of the screws with a screwdriver.
Connecting the Ground and
Antenna Cables
The Ground terminal (marked ) is located on the bottom panel of the outdoor unit. The Antenna RF connector (marked ) is located on the top panel of the BU-DS.5800D outdoor unit.
1.
Connect one end of the grounding cable to the Ground terminal and connect the other end to a good ground connection.
2.
For DS.5800D units, connect an RF cable between the antenna connector and the antenna.
Connecting the Indoor-to-Outdoor
Cable
1.
Remove the two screws holding the waterproof seal to the outdoor unit and remove the waterproof seal.
2.
Unscrew the top nut from the waterproof seal.
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Installation
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Figure 2-4: The Waterproof Seal
3.
Route a straight, uncrimped Ethernet cable (8-wire, 24 AWG) through both the top nut and the waterproof seal.
NOTE:
The 8-wire cable should be shielded.
4.
Insert and crimp the RJ-45 connector. Refer to Appendix B for instructions on preparing the RJ-45 cable connector.
5.
Connect the Ethernet cable to the Outdoor unit RJ-45 connector.
6.
Replace the waterproof seal and then the top nut. Make sure that the external jack of the cable is well inside the waterproof seal to guarantee a good seal.
7.
Route the cable to the location selected for the Indoor unit.
Installing the Sun Cover (DS.5800D
Units Only)
With DS.5800D units, a plastic Sun Cover is provided to protect the unit from direct sunlight. It is mounted to the front of the unit using four standard screws (included).
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Installing the Indoor Unit
Route the Indoor-to-Outdoor cable into the building so that it conveniently reaches the indoor unit while avoiding interference sources. It is recommended that the cable be a little longer then necessary. The cable is supplied open ended so it can be conveniently threaded as shown into the building.
1.
Remove the wall-mounting bracket clipped to the back of the indoor unit and mount it on a wall as shown in Figure 2-5. Mount the indoor unit on the mounting bracket.
2.
Assemble an RJ-45 connector with a protective cover on the indoor side of the Indoor-to-Outdoor cable. Refer to Appendix B for instructions on preparing the RJ-45 cable connector.
3.
Connect the Indoor-to-Outdoor cable to the Radio connector, located on the top panel of the indoor unit shown in Figure 2-7. The Indoorto-Outdoor cable should be connected to the unit before the unit is connected to the mains power.
Figure 2-5: Wall Mounting the Indoor Unit
NOTE:
The color codes of the power cable are: brown = phase ~ blue = neutral 0 yellow/green = grounding
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Installation
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4.
After connecting the outdoor unit to the indoor unit using the Indoorto-Outdoor cable, connect the power cord to the unit’s AC socket, located on the bottom panel shown in Figure 2-6. Connect the other end of the power cord to the AC mains after verifying that the unit is rated for the voltage in the country of use; the AC rating is indicated on the bottom panel of the Indoor unit.
Figure 2-6: Indoor Unit Bottom Panel
5.
Verify that the yellow POWER LED located on the top panel is lit, indicating that the unit is supplying power to the radio port.
Figure 2-7: Indoor Unit Top Panel
6.
Connect the 10BaseT connector to the network. The cable connection should be straight Ethernet if connecting the Indoor unit to a Hub and a crossed cable if connecting it directly to a PC Network Interface
Card (NIC).
NOTE:
The length of the Ethernet cable connecting the indoor unit to the user's equipment, together with the length of the Indoor-to-Outdoor cable, should not exceed 90 meters.
Configuring Parameters
Before aligning the antenna, certain key parameters must be configured to enable connectivity with linked units.
See “BreezeCONFIG DS Modes” on page 3-4 for more information.
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BreezeNET DS.5800 System Manual
Antenna Alignment
Usually, low gain antennas do not require alignment due to their very wide radiation pattern. High gain antennas, including the integral antenna of DS.5800 units, have a narrow beamwidth necessitating an alignment procedure in order to optimize the link.
Check the antenna alignment by using the RSSI bar on the bottom panel of the RB-DS.5800 unit.
To align the antenna:
1.
Confirm that the units at both ends of the link are receiving power.
2.
Synchronize the units by aligning the antennas at the central and remote sites until maximum signal quality is obtained. Check the signal quality RSSI bar on the bottom panel of the RB-DS.5800. The first LED lights red to indicate that the unit is working. The remaining nine LEDs light green to indicate the signal strength. The stronger the signal, the more LEDs are lit. Rotate the antenna to the left or right until you reach the point of maximum RSSI reading.
Make sure that at all times the front of the antenna faces the general direction of the BU-DS.5800.
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Installation
Verifying Correct Operation
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Name Description
POWER
Power indication
LINK
Verifying Correct Operation of the
Indoor Unit
To verify proper operation, check the LED indicators located on the top panel of the indoor unit as shown in Figure 2-7, and as described in
Table 2-3.
Table 2-3: Indoor Unit LEDs
Self Test and Ethernet
Link indication
Functionality
Green
- 48VDC is present on the Radio RJ45 port.
Off
- No power is supplied to the Radio RJ45 port.
The LINK LED indicates end-to-end connection between the outdoor unit and the
Ethernet connection to the indoor unit.
Off –
No Ethernet connectivity has been detected between the outdoor unit and the device connected to the indoor unit.
Orange–
Self-test passed and Ethernet connection is confirmed by the Outdoor unit
(Ethernet integrity check passed).
Verifying Correct Operation of the
Outdoor Unit
To verify proper operation, check the LED indicators located on the bottom panel of the outdoor unit.
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Table 2-4: Outdoor Unit LEDs
Name
WLAN
Description
Wireless Link Indicator
DC Power
Self Test and Power indication
ETH
RSSI BAR
Ethernet activity/ connectivity indication
Functionality
Blinking Green
– Data received or transmitted on the wireless link. Blinking rate is slower when there is less wireless traffic.
Green
– Power is available and self test passed.
Red –
Self test failed. Firmware did not load successfully.
OFF
–Ethernet connectivity is OK.
No traffic activity detected on the port.
Blinking Green
–Ethernet connectivity is OK, with traffic on the port.
Red
– No Ethernet connectivity. When this state occurs, check the Ethernet cable and
Indoor-to-Outdoor cable connections.
RB-DS.5800:
Received Signal Strength
Indication
BU-DS.5800:
Number of associated
RB-DS.5800 units
What to do if the Self Test fails
If the Self-Test failed (DC Power LED light remains red), try the following:
!
Reset unit (Disconnect/reconnect the power).
!
Check the Indoor-to-Outdoor cable.
!
Reset to factory defaults (see page 47).
!
Contact technical support.
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