Vyyo V284+C Manuel utilisateur
A Vyyo Inc. Technical Document
V284+C
W
IRELESS
M
ODEM
U
NIT
User’s Guide
Version 1.1.5
P/N 9090-096
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Copyright and Trademark Information:
© 2005 Vyyo Inc. All rights reserved.
Vyyo Inc. reserves the right to alter the equipment specifications and descriptions in
this publication without prior notice. No part of this publication shall be deemed part
of any contract or warranty unless specifically incorporated by reference into such
contract or warranty.
The information contained herein is merely descriptive in nature, and does not
constitute a binding offer for the sale of the product described herein. Any use of
the Vyyo Inc. logo or trademarks is forbidden without prior written approval from
Vyyo Inc.
All trademarks mentioned herein are the property of their respective owners. Vyyo
Inc.’s trademarks include, but are not limited to, “Vyyo” and “Wireless liberty for all.”
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FCC Compliance Statement
NOTE: This equipment is authorized under FCC ID:PBJV284-
PLUS-C to operate in the C Block of the Upper 700 MHz Band
pursuant to Part 27 of the FCC’s rules.
In addition, this equipment has been tested and found to
comply with the limits for a Class B digital device pursuant to
Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This
equipment generates uses and can radiate radio frequency
energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio
communications. However, there is no guarantee that
interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
•Reorient or relocate the antenna.
•Increase the distance between the equipment and
receiver.
•Connect the equipment into an outlet on a circuit different
from that to which the receiver is connected.
•Consult the dealer or an experienced radio/TV technician
for help.
Warning!
Changes or modifications to this equipment not expressly approved by
Vyyo, Inc. could void the user’s authority to operate the equipment.
Warning!
This product was tested and shipped with shielded coaxial cable and
Category 5 Ethernet cable equipped with a shielded RJ-45 connector.
These cables must be used with the unit to ensure compliance.
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CONTENTS
1Overview and Purpose .....................................................1
1.1 Purpose of This User’s Guide ..........................................1
1.2 Target Audience...............................................................1
1.3 Vyyo.................................................................................1
2Modem Features and Components .................................2
2.1 Front Panel Indicators......................................................2
2.2 Rear Panel Connectors....................................................4
3Using the Modem..............................................................5
4Technical Specifications ..................................................6
5Problem Troubleshooting ................................................8
6Warranty Information........................................................10
7FCC Declaration of Conformity........................................11
8Contacting Vyyo................................................................12
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1 O
VERVIEW AND
P
URPOSE
Welcome to the User’s Guide for the Vyyo Inc. V284+C
Modem.
Figure 1-1: The Vyyo V284+C Wireless Modem Unit
1.1 Purpose of This User’s Guide
The purpose of this User’s Guide is to provide clear and
concise instructions for operating the Vyyo Inc. V284+C
modem.
1.2 Target Audience
This User’s Guide is intended for users of the V284+C
modem.
1.3 Vyyo
Vyyo Inc. provides fixed wireless broadband end-to-end
telephony and high-speed data connections to business and
residential subscribers. Vyyo Inc. technology uses point-to-
multipoint architecture to deliver circuit-switched telephony
and data over IP to commercial and private customers
throughout the world.
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2 M
ODEM
F
EATURES AND
C
OMPONENTS
The V284+C modem offers the following features:
•Point-to-multipoint broadband wireless Internet access
•Superior operations over a wide range of modulation formats
and IF bandwidths, including noisy channels
•Easy installation
•Robust RF performance
•Internal radio for UHF bands
2.1 Front Panel Indicators
Four Light Emitting Diode (L.E.D.) indicators are located at
the front of the modem.
The L.E.D.s provides information about the type and status of
modem operations, as described in Table 1.
Figure 2-1: V284+C WMU Front Panel L.E.D. Indicators
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Table 2-1: L.E.D. Status and Functions
L.E.D. Indicator Function
POWER •On = Power On
•Off = Power Off
•Flashing = Fatal Error
STATUS •On = Modem is connected to the Internet
•Off = Modem is not connected to the Internet
RF LINK When Status L.E.D. is Off:
•RF On = The downstream link is operational
•RF Off = The modem has not yet begun
downstream acquisition, the
downstream link is idle, or there is a
problem with data reception
•RF Flashing = Downstream link is being acquired
When Status L.E.D. is On:
•RF Flashing = Data is transferring in either in the
Upstream or Downstream direction
LAN&
USB •On = The LAN link is operational
•Off = The LAN link is not operational
•Flashing = Data is transferring to or from the LAN
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2.2 Rear Panel Connectors
There are three connectors located on the rear panel of the
V284+C modem.
Figure 2-2: V284+C WMU Rear Panel Connectors
Connector or Button Function
POWER Connect the 9 volt external power source here.
LAN Connect an RJ-45 Ethernet cable to this port.
The other end of the cable can be connected to
the subscriber’s computer or an Ethernet hub or
switch.
Cable Connect this F-type connector to the UHF
antenna.
Table 2-2: V284+C Rear Panel Connectors
Power LAN RF Link
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3 U
SING THE
M
ODEM
Follow the steps below to use the modem properly.
To use the modem:
1 Check that the computer with which you are using the
V284+C modem contains a working Ethernet network card,
and has the following software installed and operational:
•Microsoft Windows 95 operating system or later
•Access to the Internet
•A standard Internet browser application
•The Telnet communications utility
2 Attach your computer to the modem’s LAN port with the
included RJ-45 Ethernet cable.
3 Connect the antenna cable to the CABLE connector on the
rear of the modem.
4 Plug the 9-Volt modem power supply jack into the POWER
socket on the rear of the modem, and plug the power
supply transformer unit into a standard electrical wall outlet.
Note: As with any household electrical device, avoid the risk of accidental
electrical shock. Make sure that your hands are completely dry and that there is
no moisture on the floor or other surfaces in the immediate area of the electrical
wall outlet.
After connecting the power adapter to the modem, verify that
the three green front panel LEDs light up for approximately 2
seconds before going out.
The orange POWER LED at the left of the front panel lights
up and remains lit, indicating that the modem is powered up.
Hazard: As with any mobile transmitting equipment, avoid of getting the human
body closer than 20 Cm to the modem or the antenna.
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4 T
ECHNICAL
S
PECIFICATIONS
General
Dimensions 5.25 x 4.25 x 1.00 in. (13 x 11 x 2.5 cm)
Operating
Temperature 32 to 112° F (0 to 45° C)
Power 800 mA at 9V
Power Supply 110 - 220 VAC
LED Indicators (4) Power, Status, RF/Link, LAN/USB
Interface
Data Interface RJ45 – 10/100 baseT Ethernet full/half duplex
USB [Not currently supported]
IF Interface 75 ohm Type F Female Connector
IF
/RFCharacteristics
Downstream
Frequency Range 740 – 746 MHz Downstream Receive
Channel Bandwidth 1.75, 2, 3, 6 MHz
Modulation Format QPSK, 16 QAM, & 64 QAM
Data Rates 0.55 – 1.65 Mbps
Rx Sensitivity (dBm) BW
(MHz) 64 QAM 16 QAM QPSK
6 -75 -81 -87
3 -78 -84 -90
1.75 -81 -87 -93
IF
/RFCharacteristics
Upstream
Frequency Range 710 – 716 MHz
Channel Bandwidth 200, 400, 800, 1600,3200 kHz
Modulation Fomat QPSK & 16QAM
Data Rates (Raw) 320 kbps – 10.24 Mbps
RF Amplifier P1dB 32 dBm
Linear Output Power 27.8 dBm
Table des matières
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