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Industrial-grade, long-range wireless Ethernet.
Includes (1) indoor/outdoor tube housing with integrated 900-MHz
wireless radio assembly, (1) wireless radio (LS900A) for the other end
of the link, (2) 2.5-omnidirectional antennas, (2) power supplies, and
(1) PoE mid-span power injector.
Works with Sony IPELA Fixed IP Camera (SNC-CS50) (ordered separately).
LongSpan 900-MHz Wireless Ethernet Tube Housing Kit
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500) •
FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax
724-746-0746 • Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence,
PA 15055-1018 • Web site: www.blackbox.com • E-mail: info@blackbox.com
Customer
Support
Information
July 2009
LS900-TUBE-KIT
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FCC and IC RFI Statements
FEDERAL COMMUNICATIONS COMMISSION AND
INDUSTRY CANADA RADIO FREQUENCY INTERFERENCE STATEMENTS
This equipment generates, uses, and can radiate radio-frequency energy,
and if not installed and used properly, that is, in strict accordance with the
manufacturer’s instructions, may cause inter ference to radio communication.
It has been tested and found to comply with the limits for a Class A computing
device in accordance with the specifications in Subpart B of Part 15 of FCC rules,
which are designed to provide reasonable protection against such interference
when the equipment is operated in a commercial environment. Operation of
this equipment in a residential area is likely to cause interference, in which case
the user at his own expense will be required to take whatever measures may be
necessary to correct the interference.
Changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
This digital apparatus does not exceed the Class A limits for radio noise
emis sion from digital apparatus set out in the Radio Interference Regulation
of Industry Canada.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant
les limites applicables aux appareils numériques de la classe A prescrites dans le
Règlement sur le brouillage radioélectrique publié par Industrie Canada.
Normas Oficiales Mexicanas (NOM)
Electrical Safety Statement
INSTRUCCIONES DE SEGURIDAD
1. Todas las instrucciones de seguridad y operación deberán ser leídas antes
de que el aparato eléctrico sea operado.
2. Las instrucciones de seguridad y operación deberán ser guardadas para
referencia futura.
3. Todas las advertencias en el aparato eléctrico y en sus instrucciones de
operación deben ser respetadas.
4. Todas las instrucciones de operación y uso deben ser seguidas.
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LongSpan 900-MHz Wireless Ethernet Tube Housing Kit
5. El aparato eléctrico no deberá ser usado cerca del agua—por ejemplo,
cerca de la tina de baño, lavabo, sótano mojado o cerca de una alberca,
etc..
6. El aparato eléctrico debe ser usado únicamente con carritos o pedestales
que sean recomendados por el fabricante.
7. El aparato eléctrico debe ser montado a la pared o al techo sólo como sea
recomendado por el fabricante.
8. Servicio—El usuario no debe intentar dar servicio al equipo eléctrico más allá
lo descrito en las instrucciones de operación. Todo otro servicio deberá ser
referido a personal de servicio calificado.
9. El aparato eléctrico debe ser situado de tal manera que su posición no
interfiera su uso. La colocación del aparato eléctrico sobre una cama, sofá,
alfombra o superficie similar puede bloquea la ventilación, no se debe
colocar en libreros o gabinetes que impidan el flujo de aire por los orificios
de ventilación.
10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor
como radiadores, registros de calor, estufas u otros aparatos (incluyendo
amplificadores) que producen calor.
11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo del
tipo descrito en el instructivo de operación, o como se indique en el
aparato.
12. Precaución debe ser tomada de tal manera que la tierra fisica y la
polarización del equipo no sea eliminada.
13. Los cables de la fuente de poder deben ser guiados de tal manera que no
sean pisados ni pellizcados por objetos colocados sobre o contra ellos,
poniendo particular atención a los contactos y receptáculos donde salen
del aparato.
14. El equipo eléctrico debe ser limpiado únicamente de acuerdo a las
recomendaciones del fabricante.
15. En caso de existir, una antena externa deberá ser localizada lejos de las
lineas de energia.
16. El cable de corriente deberá ser desconectado del cuando el equipo no sea
usado por un largo periodo de tiempo.
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NOM Statement
17. Cuidado debe ser tomado de tal manera que objectos liquidos no sean
derramados sobre la cubierta u orificios de ventilación.
18. Servicio por personal calificado deberá ser provisto cuando:
A: El cable de poder o el contacto ha sido dañado; u
B: Objectos han caído o líquido ha sido derramado dentro del aparato; o
C: El aparato ha sido expuesto a la lluvia; o
D: El aparato parece no operar normalmente o muestra un cambio en su
desempeño; o
E: El aparato ha sido tirado o su cubierta ha sido dañada.
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LongSpan 900-MHz Wireless Ethernet Tube Housing Kit
TRADEMARKS USED IN THIS MANUAL
Black Box and the Double Diamond logo are registered trademarks of
BB Technologies, Inc.
Mac is a registered trademark of Apple Computer, Inc.
Linux is a registered trademark of Linus Torvalds.
Microsoft and Windows are registered trademarks of Microsoft Corporation.
Wi-Fi is a registered trademark of the Wi-Fi Alliance.
Any other trademarks mentioned in this manual are acknowledged to be
the property of the trademark owners.
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Table of Contents
Chapter Page
1. Specifications ................................................................................................6
2. Overview ......................................................................................................7
2.1 Introduction .........................................................................................7
2.2 What’s Included ...................................................................................7
2.3 About the Technology .........................................................................7
2.4 Typical Application ...............................................................................9
3. Components ............................................................................................... 10
3.1 Radio/Extender ..................................................................................10
3.2 Housing with Radio, Power Supply, Heater, and Blower Installed ...... 11
3.3 Tube Camera (Ordered Separately) with Housing ............................. 11
3.4 Overview of Products Combined ....................................................... 11
4. Installation .................................................................................................. 12
4.1 Connecting the Radio and Power Supply ..........................................12
4.2 Installing the Housing ........................................................................ 13
4.3 Installing a Sony SNC-CS50 Camera (Not Included)
into the Housing ................................................................................13
4.4 Wiring ................................................................................................ 15
4.5 Mounting the Housing ......................................................................17
4.6 Connecting the Standalone Radio or Radios ...................................... 19
5. Configuring the Radio ...................................................................................20
5.1 Digital Setup ......................................................................................20
5.2 Physical Setup ....................................................................................24
6. Installing and Adjusting the Antennas ........................................................25
Appendix. Troubleshooting ................................................................................29
A.1 Problems/Solutions ............................................................................29
A.2 Calling Black Box ................................................................................29
A.3 Shipping and Packaging .....................................................................29
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LongSpan 900-MHz Wireless Ethernet Tube Housing Kit
1. Specifications
Camera: Sony IPELA Fixed IP Camera (SNC-CS50), ordered separately
Distance: LS900A: 40 miles line of sight with 15-dBi antenna
Environmental: Operating temperature: -40 to +158° F (-40 to +70° C)
Radio Channels/Bandwidth: LS900A: 12 non-overlapping
with 2.0833-MHz spacing and 1.75-MHz occupied bandwidth
Radio Link Budget: LS900A: 148 dB with 15 dBi antenna
Receive Sensitivity: LS900A: -97 dBm at 10e-4 BER (-112 dBm
with 15-dBi antenna)
Speed: LS900A: RF Transmission Rate: 1.536 Mbps;
Ethernet Throughput: 935 kbps
Connectors: LS900A: (1) RJ-45 PoE 10BASE-T/100BASE-TX
Indicators: LS900A: LEDs: (1) Power, (1) Ethernet Link, (1) RF RX, (1) RF TX,
(4) Channel, (6) Link Quality
Power: LS900A, LS900PKA: From 110-VAC, 60 Hz external power adapter
or PoE injector
Size: LS900A: Each radio: 2"H x 6.7"W x 3.1"D (5 x 17 x 8 cm);
LS900-TUBE-HSE: 15.4"H x 5.7"W x 15.8"D (39 x 14.4 x 40 cm);
Maximum camera length: 10.5" (26.7 cm)
Weight: 4 lb. (1.8 kg)
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Chapter 2: Overview
2. Overview
2.1 Introduction
The Long-Span Tube Housing Kit is a complete indoor/outdoor camera/wireless
radio to wireless radio solution in a weather-proof enclosure. It helps you create a
long-range, wireless Ethernet network with up to 16 subscriber units per access
point. The kit includes (1) indoor/outdoor tube housing with integrated 900-MHz
wireless radio assembly, (1) wireless radio (LS900A) for the other end of the link,
(2) 2.5-dBi omnidirectional antennas, (2) power supplies, and (1) PoE mid-span
power injector. It works with the Sony IPELA Fixed IP Camera (SNC-CS50), which is
ordered separately. This manual contains instructions for installing the camera. You
can combine it with LS900A or LS900PKA (Integrated Radio and Directional
Antenna).
This user’s manual tells you how to set up your system, and also describes how
each component of the system operates.
When you receive your kit, the radio circuit board, heater/blower, and power
supply are already installed in the tube housing. You will need to install the camera
(ordered separately) yourself—complete instructions appear in Section 4.3 of this
manual.
2.2 What’s Included
Your package should include the following items. If anything is missing or
damaged, please contact Black Box Technical Support at 724-746-5500.
• (1) indoor/outdoor tube housing with integrated 900-MHz wireless radio
assembly
• (1) wireless radio (LS900A) for other end of link
• (2) 2.5-dBi omnidirectional antennas
• (2) power supplies
• (1) PoE mid-span power injector
• This user’s manual
2.3 About the Technology
The LongSpan 900-MHz Wireless Ethernet System replaces a continuous Ethernet
cable connection to provide wireless data transmission in the unlicensed 900-MHz
frequency spectrum. For example, in a wireless Ethernet network, the end user relies
on a system of unmanned networked radios, computers, servers, and surveillance
cameras to provide data and graphics transmission.
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LongSpan 900-MHz Wireless Ethernet Tube Housing Kit
Other technologies, such as Wi-Fi®, don’t support the long-range distance
capability of the 900-MHz system. Wi-Fi delivers a large amount of data over short
distances and is great for real-time applications. Since it’s a broad-spectrum
technology that relies on a licensed band of wireless transmission, Wi-Fi is frequency
stagnant. Your grandparents or great-grandparents might have had a party-line
phone back in the 1930s. Similar to a party-line phone, Wi-Fi shares a broad-range
frequency spectrum between several users.
In contrast, the Long-Span 900-MHz Wireless Ethernet System operates over an
unlicensed wireless radio band. Several advantages for using the 900-MHz frequency
exist. First, this narrow-band frequency is ideal for low-speed, long-distance Ethernet
data transmission. Next, it’s thermally sustainable at high temperatures. And since it’s
a virtual Ethernet connection, you don’t have the hassle of installing a large wiring
infrastructure.
A LongSpan wireless Ethernet uplink runs at a speed of up to 1 Mbps. If you don’t
think that is fast enough for low-data rate applications, just consider that the uplink
speed on a typical DSL line is 38.4 kbps, well within the 1-Mbps limit for LongSpan.
The LongSpan system works in applications where the data rate requirement is
low. For example, it can be used in docking stations for a fleet of buses. At the
docking station, data can be transmitted to a media player in a digital signage
system. The data is stored in a buffer, then narrowcasted to digital screens on buses.
Other applications include providing links for an audio paging system at a golf
course, campground, campus, or mall.
The LongSpan system features:
• long-range reach (up to 40+ miles)
• robust operation
• industrial grade (operates at -40 to 160° F)
• easy installation
• fast enough speed (up to 1 Mbps)
• affordability (costs less than $2000)
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Chapter 2: Overview
2.4 Typical Application
Ethernet
RJ-45
connector
Camera
lens
Camera
installed
RJ-45
cable
Tube
housing
Power to
back of
camera
Camera
sled
Antenna
24 VDC to 24 VAC
power converter
Power in
Blower/fan
(underneath
power board)
Power board
(on top)
Radio board
Heater
Power
cable
Antenna
RF-TNC
connector
Power and data
CAT5e cable,
outdoor grade,
300 ft. (50 m)
maximum
Power over
Ethernet
injector
10BASE-T
data cable
110-VAC
power plug
Wireless radio
Figure 2-1. Application.
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LongSpan 900-MHz Wireless Ethernet Tube Housing Kit
3. Components
The Long-Span 900-MHz Wireless Ethernet Tube Housing Kit components are
illustrated below.
3.1 Radio/Extender
The radio/extender board installed in the tube housing is our LS900A. It operates the same as the standlone model (see Chapter 5). Figure 3-1 shows the radio
board.
RJ-45 network
connector (links
radio board to
camera)
Power connector
Radio board
Figure 3-1. Close-up of radio board with cable connections.
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Chapter 3: Components
3.2 Housing with Radio, Power Supply, Heater, and Blower Installed
The radio arrives already installed in the tube housing. Figure 3-2 shows the
tube housing with radio installed.
Heater
Camera goes here
(not installed yet)
Radio board
Power board (blower
is underneath power
board)
Figure 3-2. Housing configuration as shipped.
3.3 Tube Camera (Ordered Separately) with Housing
The camera (not included) installs in the tube housing. Figure 4-1 shows the
tube housing with camera installed.
3.4 Overview of Products Combined
Figure 2-1 shows the complete system with all components installed.
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LongSpan 900-MHz Wireless Ethernet Tube Housing Kit
4. Installation
4.1 Connecting the Radio and Power Supply
Figure 4-1 shows the inside of the enclosure. The 900-MHz radio, power supply,
and heater/blower are already installed.
Camera
lens
Camera
installed
Ethernet
(RJ-45)
cable
Tube
housing
Power to
back of
camera
Camera
sled
Antenna
24 VDC to 24 VAC
power converter
Power in
Blower/fan
(underneath
power board)
Power board
(on top)
Radio board
Heater
Power
cable
Figure 4-1. Installation diagram, side view.
You will need to make a few simple connections between the components:
1. Connect one end of the Ethernet cable to the radio board.
2. Connect one end of the power cable to the radio board.
3. Connect the RF reverse-polarity (rubber ducky) antenna.
4. Install the camera as described in Section 4.3.
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Chapter 4: Installation
4.2 Installing the Housing
1. Remove two panhead screws on top of front and back endcaps of the housing, then lift the top over the housing to its full span position.
2. From the outside, insert a cable strain relief plug into one of the two holes
located on the bottom rear of the housing. Screw a black nylon locknut onto
the cable strain relief plug from the inside of the housing and tighten. Repeat
for the other plug.
OPTION: Omit one or both cable strain relief plugs if 1⁄2" metal conduit is used
in the cable entry holes.
4.3 Installing a Sony SNC-CS50 Camera (Not Included) into the Housing
1. To loosen the camera sled, turn the panhead screw located on the inside
ledge of the bottom half of the housing 1⁄2 turn counterclockwise. Slide the
camera sled toward the rear of the housing until the screw head is aligned
with the hole on the key slot of the camera sled. Lift and remove.
Sled screw
Camera sled
Figure 4-2. Removing the camera sled.
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LongSpan 900-MHz Wireless Ethernet Tube Housing Kit
2. Place the camera/lens on the camera sled. Align the mount hole of the
camera with the slot in the camera sled. Insert a bolt through the slot on the
bottom of the sled into the camera. Adjust the camera so that it is parallel
with the sled and tighten bolt.
3. Place the sled leg of the completed camera sled assembly into the channel on
the bottom of the housing. Adjust the camera sled until the key slot hole
aligns with the panhead screw. Make sure the camera is seated properly.
Slide the camera sled forward to the desired position. Tighten the screw to
secure the camera.
Sled screw
Camera sled
Camera
Camera lens
Antenna
connector
Power board
Tube housing
Figure 4-3. Camera installed in housing.
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Chapter 4: Installation
4.4 Wiring
1. Feed wiring/cable through the cable strain reliefs on the bottom of the housing until the desired amount of wire has entered the housing. Make wiring
connections to the camera and lens as required by the manufacturer.
Camera
(installed)
Power
connector
Power board with
wires connected
RJ-45 network connector
(links radio board to
camera)
Radio board
Figure 4-4. Wiring connections.
2. Turn the cable strain reliefs to tighen down on the wiring cable.
WARNING: A readily accessible disconnect device should be incorporated in the
fixed wiring.
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LongSpan 900-MHz Wireless Ethernet Tube Housing Kit
A plug-in wall transformer is included with the housing. The transformer outputs 24 VAC. Determine where the transformers will be located, then run a set of
power wires into the cable strain relief. Use the chart below to determine the correct wire gauge needed based on the length of the run.
Table 4-1. 24-VAC wiring distances.
Wire Gauge
22 20 28 16 14 12 10
Total VA 35 44 70 112 179 285 452
Consumed
1. Run 24-VAC power through a cable strain relief (separate from the Ethernet).
Place stripped power wire ends into the power board terminals marked 24
AC (in).
2. Secure the ground wire to the screw located in the bottom rear of housing.
3. Tighten the terminal block screws, then tighten the cable strain relief.
Heater
24 VAC (IN)
24-VAC
(camera)
Blower
(black)
Blower
(red)
Figure 4-5. Terminal block connections.
4. Connect the Ethernet (RJ-45) cable from the wireless unit to the network
camera See Figure 4-1.
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Chapter 4: Installation
4.5 Mounting the Housing
To pole mount:
1. Position the bracket assembly at the desired height and location on the pole.
See Figure 4-6.
Figure 4-6. Positioning the bracket on a pole.
2. Attach the assembly to the pole using 3⁄4" mounting straps (not included).
3. Slide the mounting straps through the slots in the bracket and tighten to the
pole (see Figure 4-7).
Figure 4-7. Securing the bracket to the pole with mounting straps.
Bracket
Pole
Mounting
straps
Bracket
Pole
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LongSpan 900-MHz Wireless Ethernet Tube Housing Kit
To wall mount:
1. Remove the tilt mechanism from the bracket and attach it to the housing
mounting holes using (2) 1⁄4-20 x 1⁄2" bolts with lock washers.
2. Hold the bracket to the wall and mark the bracket mounting pattern. Using
the appropriate hardware and methods, secure the bracket to the wall.
3. After securing the bracket to the wall, take the camera housing and align the
tilt mechanism. Insert the 1⁄4-20 x 5⁄8" bolts into the holes and finger tighten.
Figure 4-8. Aligning the housing’s tilt mechanism.
4. Adjust the camera to the desired position and tighten the bolts to prevent
camera housing movement. See Figure 4-9.
Tighten
bolts
Figure 4-9. Tighten bolts.
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Chapter 4: Installation
4.6 Connecting the Standalone Radio or Radios
At the other end of the link, you will install the second (standalone) radio that’s
included with your kit. Refer to Figure 4-10 and follow the steps below.
RF-TNC
connector
Power and data
CAT5e cable,
outdoor grade,
300 ft. (50 m)
maximum
Power over
Ethernet
injector
10BASE-T
data cable
Ethernet
RJ-45
connector
110-VAC
power plug
Wireless radio
Antenna
Figure 4-10. Installing the standalone radio (Included) at the other end.
of the wireless Ethernet link.
1. Using CAT5e cable, connect the power injector (included) to the radio.
2. Using an RJ-45 CAT5e cable, attach the other end of the power injector to the
Ethernet network. Then connect the power plug to the included universal
power supply (90–264 VAC).
3. Following the instructions in Section 5.2, mount the radio to a pole or the side
of a building.
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LongSpan 900-MHz Wireless Ethernet Tube Housing Kit
5. Configuring the Radio
5.1 Digital Setup
1. The radio’s built-in browser interface enables you to configure it digitally.
2. Download the Black Box Discovery Utility from our Web site:
http://www.blackbox.com/go/LongSpan/LongSpan_Finder
This link will prompt you to either Run or Save the application. Press Run to start
it immediately; press Save to save the application before running.
NOTE: This utility only runs on Microsoft
®
Windows®, not Linux® or Mac®. If you
must use a non Windows computer for configuration, make sure your
subnet mask allows your computer to see 192.168.1.17. Connect to that
default IP address with your Web browser, continuing the setup procedure
with Step 6.
3. Run the IP Discovery Utility, ipfinder.exe and you should see a window similar to
Figure 5-1.
Figure 5-1. IP Discovery screen.
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Chapter 5: Configuring the Radio
The LS900A should appear in the list as the default address of 192.168.1.17.
If it does not, click “Search” to regenerate the list. If it still does not appear,
either you might have a connection issue and need to re-examine the cabling,
or you might have a firewall issue on your computer.
4. Double-click the item in the list that refers to the radio being configured. You
will see a second window similar to Figure 5-2.
Figure 5-2. Radio IP Configuration screen.
The information on the left in Figure 5-2 is the current status of the radio; the
boxes on the right allow you to change it. Make sure that the radio’s IP address
is in the same subnet as your computer. For example, if the subnet mask is
255.255.255.0 (a class C network), the first three number groups of the IP
address must match. Choose your desired parameters and click “Apply.”
5. Write down the IP address and password you just chose, then click “Go to
Device Web Page.” Your default Web browser will launch with the device IP
address in the browser address bar. Or, you may launch the browser on your
own and enter the Web page address manually: http://[the IP address you just
set].
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LongSpan 900-MHz Wireless Ethernet Tube Housing Kit
6. The browser page that loads first shows the current device information and QoS
statistics and provides a login at the upper right. Log in using the password you
just specified (or “password” if you kept the default). If the login is successful,
you will see the Admin page similar to Figure 5-3.
Figure 5-3. Admin page.
7. This page has sections similar to the login page showing radio statistics and
device information plus it adds several new sections. The Device Settings section
allows you to set the network information and choose an RF frequency channel.
The default is to allow the radio to choose its own frequency based on
minimizing interference. If you set a fixed channel, make sure the AP and all SUs
use the same one. References to DIP switches on this and the next Web page
refer to switches inside the radio that are used in the legacy method of
configuration. You may ignore the DIP switches when using the Web browser
method.
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Chapter 5: Configuring the Radio
If you scroll down in the Admin browser page, you will come to three more
sections:
• A graphical spectrum analyzer display that may help you select radio channels
that avoid interference.
• A section you will use to update the radio’s firmware.
• An advanced links section with a warning that it’s for advanced users only.
Despite the warning, you will need to click the “Advanced Admin” button to
set the device type, ID, and encryption key. You will then see a page similar to
Figure 5-4.
Figure 5-4. Advanced admin page.
8. On the Advanced Admin page, set the parameters as follows:
• Choose Device Type: Access Point or Subscriber Unit.
• For an AP, enter the number of SUs that will be communicating with it.
• For SUs, assign unique ID numbers in numeric order from 1 to 63.
• Click the box labeled “Enabled User Specified Keys.”
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• Choose an 8-digit hex (0–9 and A–F) Network Name that will be common
among the AP and the SUs and enter it. The hyphen is required.
• Choose a 32-digit hex Encryption Key and enter it. Again, the hyphens are
required. This key must match between the AP and the SU. Write down the key.
After entering the parameters, click the “Apply” button to save them to the
radio.
9. When all the radios are keyed and operating, connect them to your network
and Ethernet devices as desired and cycle the radio’s power to begin normal
operation. You can manage the SUs via a browser over the wireless network.
NOTE: Do not plug actively linked radios into the same switch because this will
corrupt its routing table and may cause network problems just as if you
plugged a CAT5 cable directly between two ports of a switch.
5.2 Physical Setup
1. Before mounting the radio in its final location, follow the digital setup
instructions in Section 5.1.
2. Mount the radio securely. Maximize lightning resistance by providing a strong
DC ground connection to the metal housing.
3. Connect the radio’s TNC RF connector to a suitable antenna. A simple omnidirectional dipole unit is included—you can use this antenna for testing and for
relatively undemanding applications. If your application requires greater distance
and/or a wider range of direction, choose either the LongSpan Long-Distance
900-MHz Directional 15-dBi Yagi antenna (LS900-15Y) or the LongSpan
Medium-Range 900-MHz Omnidirectional 5-dBi antenna (LS900-5M).
4. The unit receives power via an Ethernet cable, so you can place the power
supply in a convenient location. The included Power over Ethernet injector (PoE)
enables you to add DC power to unused wires in the cable. Decide where to
place the PoE based on its proximity to AC power at some point along the
desired path of the Ethernet cable. Plug the included power supply into an
appropriate electrical outlet and into the PoE. Connect an Ethernet cable
between your network and the “DATA IN” port on the PoE. Connect a second
cable from the “P + DATA OUT” port on the PoE and the radio. The radio has a
cable clamping device that allows an RJ-45 plug on the cable to pass through it.
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Chapter 6: Installing and Adjusting the Antennas
You can then tighten the cable clamping device around the cable to provide a
weatherproof seal.
6. Installing and Adjusting the Antennas
Before you install your wireless antenna, follow a few basic rules. All antennas
have a polarity. The antenna could have horizontal polarity or vertical polarity.
Figure 6-1 illustrates the difference between the two polarizations with a 2.5-dBi
antenna and an 11-dBi antenna.
Vertical polarization
2.5-dBi antenna
11-dBi antenna
Tube housing
Horizontal polarization
2.5-dBi antenna
Tube housing
11-dBi antenna
Figure 6-1. Antenna diagram #1.
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LongSpan 900-MHz Wireless Ethernet Tube Housing Kit
Figure 6-2 shows some correct and incorrect methods of aligning the antennas.
The 2.5-dBi antenna is considered omnidirectional. They are designed so the radio
wave will project out from the sides of the antennas. The radio wave patterns will
resemble a doughnut. Because of this pattern, never try to point the ends of the
antennas directly toward one another or directly away from one another.
WRONG! Do not aim the 2.5-dBi
antennas directly at each other.
RIGHT
RIGHT
Figure 6-2. Antenna diagram #2.
2.5-dBi
omnidirectional
antenna
2.5-dBi
omnidirectional
antenna
2.5-dBi
omnidirectional
antenna
2.5-dBi
omnidirectional
antenna
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Chapter 6: Installing and Adjusting the Antennas
WRONG
RIGHT
Figure 6-3. Antenna diagram #3.
The 11-dBi antennas are directional. They are designed so the radio wave will
project directly out the front of the antenna. Because of this, you should always
point the 11 dBi antennas direcly at each other and never point them away from
each other. For a maximum range point-to-point (one unit), we recommend using
the auto-channel selection mode and a maximum gain of 11 dBi.
2.5-dBi
omnidirectional
antenna
2.5-dBi
omnidirectional
antenna
2.5-dBi
omnidirectional
antenna
2.5-dBi
omnidirectional
antenna
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LongSpan 900-MHz Wireless Ethernet Tube Housing Kit
RIGHT
RIGHT
WRONG
WRONG
Figure 6-4. Antenna diagram #4.
11-dBi
antenna
11-dBi
antenna
11-dBi
antenna
11-dBi
antenna
11-dBi
antenna
11-dBi
antenna
11-dBi
antenna
11-dBi
antenna
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Appendix: Troubleshooting
Appendix. Troubleshooting
A.1 Problems/Solutions
Problem: No power LED.
Solution: Check the power connections.
Problem: No radio link.
Solution: The radio is looking for its matched partner. If both units are powered
on and the Power LEDs are active, they may be too far away to create the radio
connection. Try other locations to get the best range when they are oriented to
point directly at each other with antenna elements oriented in the same plane (i.e.,
vertically or horizontally).
Problem: Radio link on but quality indicator is low.
Solution: The units may be too far away from each other to create a good radio
connection. Try other locations that may have a less obstructed path, or try reorienting the antennas.
Problem: Ethernet LED is not lit.
Solution: Check your network connections.
A.2 Calling Black Box
If you determine that your Long-Span Tube Housing Kit is malfunctioning, do not
attempt to alter or repair the unit. It contains no user-serviceable parts. Contact
Black Box Technical Support at 724-746-5500.
Before you do, make a record of the history of the problem. We will be able to
provide more efficient and accurate assistance if you have a complete description,
including:
• the nature and duration of the problem.
• when the problem occurs.
• the components involved in the problem.
• any particular application that, when used, appears to create the problem or
make it worse.
A.3 Shipping and Packaging
If you need to transport or ship your Long-Span Tube Housing Kit:
• Package it carefully. We recommend that you use the original container.
• If you are returning the unit, make sure you include everything you received
with it. Before you ship for return or repair, contact Black Box to get a Return
Authorization (RA) number.
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