Vyyo V284+C Manuale utente

A Vyyo Inc. Technical Document

V284+C

IRELESS

ODEM

NIT

User’s Guide

Version 1.1.5

P/N 9090-096

ö V284+C WMU User’s

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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.

iii

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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

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

EATURES AND

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

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

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

/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

/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

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