YDI EtherLeap Manuel utilisateur

Preliminary

Version 1.0 May 2003

EtherLeap User’s Manual

LIMITED WARRANTY

YDI Wireless (YDI) warrants that your device is free of defects in material and

workmanship for a period of one year after initial purchase. YDI will, in this period of time,

repair or replace, any YDI product returned to the factory, freight prepaid.

The YDI warranty covers repairs or replacement (at YDI’s option) of the product only. YDI

is not responsible for the cost of removal, reinstallation, or shipping to the place of repair.

YDI does not extend or modify its warranty period as a result of repair or replacement.

YDI reserves the right to void a warranty and/or make reasonable charges for repair of a

unit if the warranty seal is broken or the unit displays evidence of misuse, abuse, or

tampering.

YDI is not responsible for damage to any other equipment or property, or any other

consequential or incidental damages of any kind, whether based on contract, negligence,

or strict liability. Maximum liability shall not in any case exceed the purchase price of the

unit.

Warranties give you (the buyer) specific legal rights. You may also have other rights that

vary from state to state. This warranty is only extended to purchases made in the United

States of America or its possessions.

SPECIAL WARRANTY NOTICE

The warranty is null and void if any of the following occurs:

1. The product enclosure is opened.

2. The connections are not properly waterproofed.

3. The device is installed improperly or with incorrect connectors.

4. The round connector of the outdoor Ethernet cable provided is improperly plugged

into the rear jack of the enclosure.

5. The device or DC Power Injector are physically damaged.

6. The device is operated outside the recommended DC power specifications.

7. The device is damaged by extreme forces of nature, lightning, or ‘Acts of God.’

FCC NOTICE

This device complies with part 15 of the FCC rules. Operation is subject to the following two

conditions:

1. This device may not cause harmful interference, and

2. This device must accept any interference received, including interference that may cause

undesired operation.

* Note: The manufacturer is not responsible for any radio or TV interference caused by

unauthorized modifications to this equipment. Such modifications could void the user's

authority to operate the equipment.

These products are labeled with one of the following FCC ID numbers:

FCC ID: NM5-EL24A-11

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EtherLeap User’s Manual

TABLE OF CONTENTS

Section 1 Overview 1

1.1 Description ....................................................................................................................................1

1.2 EtherLeap Features ......................................................................................................................1

1.3 EtherLeap Kit ................................................................................................................................2

Section 2 Installation 3

2.1 Introduction ...................................................................................................................................3

2.2 DC Power Injector .........................................................................................................................3

2.3 Power Supply ................................................................................................................................3

2.4 LED ...............................................................................................................................................3

2.5 Hardware Installation ....................................................................................................................4

2.6 Making Final Adjustment to Maximize Received Signal ............................................................... 7

translated, stored in any electronic retrieval system or transmitted, in any form or by any means,

electronic, mechanical, photocopied, recorded or otherwise, without the prior written permission of YD

Wireless.

Version 1.0 Page ii May 2003

EtherLeap User’s Manual

Section 1

Overview

1.1 Description

The EtherLeapTM is a Point-to-Point Wireless Bridge that operates on the uncrowded license-free 24 GHz

band. It was specifically created for RF hostile environments where the 2.4 and 5.8 GHZ bands have too

much congestion or interference. It is designed to extend the reach of 10/100Base-T Ethernet networks

through wireless connections where installation barriers and high cost make installing additional copper

connections less desirable. It provides flexibility by being deployable in a large variety of network

architectures. EtherLeap comes pre-configured and is capable to interface seamlessly with Ethernet

networks.

EtherLeap is a Time Division Duplex (TDD) device with an over-the-air data rate of 11 Mbps. It uses

Direct Sequence Spread Spectrum (DSSS) and an adaptive data rate technology to ensure the integrity

of the link under adverse conditions. This allows for smooth changes in the data rate instead of an abrupt

loss of link.

The product can be used in a wide range of applications. It can bridge Hot Spots by providing connectivity

outside the 2.4 GHz and 5.8 GHz bands. It can also bridge Ethernet networks and connect remote

servers to LANs, managing virtually an unlimited number of client MAC addresses on each side of the

link. The unit features 128-bit WEP-Plus encryption.

The EtherLeap comes with an integrated one-foot dish antenna. Because the radio is located at the

antenna, extending the Ethernet cable will not affect the operating range.

Since EtherLeap is based on 802.11 MAC layer, it provides transparent point-to-point connectivity. It

requires only 25 watts to operate and it plugs into any layer-2 switch. These attributes make EtherLeap

ideal for disaster recovery and emergency network restoration applications.

A Windows-based Manager provides configuration and diagnostic utilities that allow you to see vital

information regarding the link between the two units. Information such as signal-to-noise ratio, signal

strength, and noise level all in dB, provides for efficient installation and aiming of the units, as well as

troubleshooting link problems.

The EtherLeap operates with a 48 VDC Adapter. All devices located inside the box get their power from a

DC Power Injector which puts DC power onto the outdoor rated Ethernet cable (Power Over Ethernet, or

POE). Ethernet cables must be ordered separately.

1.2 EtherLeap Features

Key Features

• Operates on the clear 24 GHz license-free band

• Provides connectivity even when the 2.4 and 5.8 GHz bands have congestion or interference

• Easy to install and configure

• Antenna integrated into single outdoor unit

• 13 user selectable radio channels available

• Bridges two LANs together transparently

• Plugs directly into an Ethernet Switch or Router

• Uses Power Over Ethernet (POE)

• Over 2 Watts EIRP transmit power with integrated antenna

• Line of sight range up to 5 miles or more possible with integrated antenna

• Up to 4.5 Mbps actual throughput

• FCC Part 15 Certified for license-free operation on the US 24GHz band

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EtherLeap User’s Manual

• Can be configured and monitored remotely from anywhere in the network

• Operating temperature range: -20°C to +60°C (excluding solar loading)

1.3 EtherLeap Kit

Each EtherLeap kit includes the following (refer to Figure 1.1):

• Two outdoor radios with integrated antennas and mounting hardware

• Two Cat 5 DC Power Injectors

• Two 110/240 VAC to 48 VDC power supplies (unit operates from 20 to 60 VDC)

• CD-ROM with Manager software

• User’s Manual

Two YDI outdoor Ethernet cables must be ordered separately. Available lengths are 50, 100, 200, or 300

foot.

The latest software and User’s Manuals can also be found at:

http://www.ydi.com/support/downloads.php,and

http://www.ydi.com/support/documents.php.

Figure 1.1 – Components of an EtherLeap Link

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EtherLeap User’s Manual

Section 2

Installation

2.1 Introduction

Please review the entire manual before powering up or deploying any EtherLeap.

The EtherLeap comes pre-configured from factory for point-to-point layer-2 bridging operation.

NOTE: It is strongly recommended that you configure and test the units prior to deploying them in the

field. Set up a “mini-network” that resembles your actual configuration as close as possible.

By using such a mock-up, troubleshooting potential problems will be much easier than if you

already installed the equipment in the field. Read through this entire Section 2 to understand

how to install the hardware. To configure the EtherLeap , read Section 3.

2.2 DC Power Injector

The Cat 5 DC Power Injector is not in a waterproof enclosure and must be protected from the weather. It

can be permanently mounted to a surface using the double stick tape found on the back of it.

2.3 Power Supply

The Ether Leap kit comes with a 110/220 VAC to 48 VDC power supply that has a standard barrel plug

[center pin positive (+) tip and outer ring negative (-)].

2.4 LED

One red LED is present on the back of the EtherLeap (see Figure 2.1):

• The red LED stays on when the unit is operating correctly

• The red LED flashes when there is a fault

Figure 2.1 – EtherLeap LED

Red LED

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EtherLeap User’s Manual

2.5 Hardware Installation

NOTE: All connectors must be properly water-proofed with all-weather electrical tape, Permagum, or

equivalent. Do not use Silicon glue.

The EtherLeap unit is installed by using an “X”-shaped adaptor bracket that is secured to the pole with a

pole mounting bracket and a pole clamp. Figure 2.2 shows the components provided to mount the

EtherLeap unit.

Figure 2.2 – EtherLeap Mounting Components

Mounting Hardware

Pole Clamp

Pole Mounting

Bracket

daptor (“X”)

Bracket

1. Fit the adaptor bracket (A) to the four M5 studs protruding from the back of the EtherLeap unit, by

aligning the four mounting studs on the back of the unit with the adaptor bracket holes and securing to

the unit using four M5 nuts, flat washers, and lock washers, as shown in Figure 2.3. Tighten hardware

(four places). Torque to 5.7 N-m (4.2 lb-ft). Note the position of the serrated edge of bracket (A).

2. Attach the pole mounting bracket (B) to adaptor bracket (A) by using one M8 x 40L bolt, flat washers,

lock washer, and nut, as shown in Fig 2.3. Tighten hardware (one place). Torque to 24 N-m

(17.7 lb-ft). IMPORTANT: Ensure that the serrated edges on both brackets are facing each other.

Figure 2.3 – Detail Showing Assembly of Pole Mounting Bracket to Unit

Serrated

Edges

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EtherLeap User’s Manual

3. Fasten the EtherLeap unit to the pole using pole clamp (C) and two M8 x 70L bolts, lock washer, and

flat washer, as shown in Fig 2.4 (you may need to use two M8 x 40L bolts if you are fastening the

EtherLeap to a 1.75” diameter pole). Tighten hardware (two places). Torque to 24 N-m (17.7 lb-ft).

The pole mounting bracket (B) will accept pole diameters between 1.75” to 3” OD. The EtherLeap unit

can be mounted to larger pole diameters by discarding pole clamp (C) and replacing it with metal

straps (not included) fastened through slots located on the pole mounting bracket (B).

Figure 2.4 – Attaching the EtherLeap Unit to the Pole

Slots for optional

metal straps

4. Ensuring that there is no DC power applied to the DC Power Injector, plug the round connector of the

outdoor Ethernet cable (ordered separately) into the rear jack, making sure the notch is correctly

aligned with the tab on the jack as shown in Figures 2.5 and 2.6. Then turn the round locking nut

clockwise as you push in until it securely fastens onto the jack. Please verify that the round

connector is properly plugged into the rear jack of the EtherLeap unit prior to connecting DC

power because it is possible to push it in the wrong way if enough force is used. If DC power is

applied and the connector is not properly plugged, damage to the electronics of the unit or the

connector itself may occur which will not be covered by the factory warranty.

If DC Power is applied while you are attempting to insert the round

connector into the jack, it is possible that, as you rotate the plug in an

effort to find the key, DC power pins will momentarily touch the Ethernet

pins. If this happens the Ethernet circuitry on the board will blow.

Any damage caused by this action will not be covered by the factory

warranty and will be a billable repair.

WARNING

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EtherLeap User’s Manual

Figure 2.5 – Connecting the Outdoor Figure 2.6 – Plugging the Outdoor

Ethernet Cable to an EtherLeap Ethernet Cable

Plug Round Connector of the

Outdoor Ethernet Cable Here

5. Attach the other end of the outdoor Ethernet cable to the Cat 5 DC Power Injector at port RJ-45

labeled “To ANT.”

6. Connect the Ethernet cable labeled “To PC or ROUTER” from the Cat 5 DC Power Injector to your

computer or PC. If you connect to a router, switch or hub, make sure you plug the cable into the

Uplink/WAN port, otherwise a cross-over cable or adapter will be needed.

7. Install a #6 AWG insulated ground cable (not provided) to the ground connector on the back of the

radio as shown in Figure 2.7. Use an M5 x 12L thread-forming screw, and an M5 flat washer and lock

washer to fasten the earth lug. Torque to 5.7 N-m (4.2 lb-ft). This provides maximum protection

against lightning.

8. Plug the AC Adapter into an AC outlet and connect it to the “DC Power” jack on the Cat 5 DC Power

Injector.

9. Perform antenna alignment procedures at both sites. Proper antenna alignment is crucial for the

correct operation of the EtherLeap system and should only be accomplished by experienced

professionals. After that your installation is complete.

Figure 2.7 – Detail Showing Ground Cable Connection

(this provides maximum lightning protection)

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EtherLeap User’s Manual

2.6 Making Final Adjustment to Maximize Received Signal

The purpose of these steps is to adjust the Line-of-Sight of the EtherLeap unit to maximize the main lobe

signal level. During this process, the second EtherLeap unit at the far end of the link must also be at the

same stage of the installation procedure and powered ON.

1. Connect the near end EtherLeap unit to a laptop computer with a network card installed and then run

the signal strength screens off an appropriate Manager program. The Manager program will display

two Received Signal Strength Indicator (RSSI) bar graphs, one for the near end unit and one for the

far end unit. The main goal now is to peak the RSSI signals at both ends of the link.

2. Using the Azimuth adjustment bolts (see Figure 2.8), adjust the azimuth until the RSSI readings for

both ends of the link peak. Start with azimuth adjustment on the far end of the link first. It is

recommended that, in order to ensure the true maximum, you should adjust through the maximum

RSSI reading until the reading clearly drops and continues to drop to lower level side-lobes. Adjust

back until the maximum is attained again. Then repeat for the near end of the link.

3. Using the Elevation adjustment bolt (see Figure 2.8), adjust the elevation until the RSSI readings for

both ends of the link peak. Start with elevation adjustment on the far end of the link first. It is

recommended that, in order to ensure the true maximum, you should adjust through the maximum

RSSI reading until the reading clearly drops and continues to drop to lower level side-lobes. Adjust

back until the maximum is again attained. Then repeat for the near end of the link.

4. Repeat steps 2 and 3 above to guarantee optimum alignment for maximum signal strength.

CAUTION: It is possible to obtain a false peak RSSI reading from the signal of a side-lobe. Up to three

different side-lobes on either side of the main lobe may give false peak alignment readings.

For this reason, it is important that a wide sweep in both azimuth and elevation is made in

order to identify these false peak RSSI readings so to zero in on the true peak alignment

reading due to the main antenna beam.

5. Tighten the two Azimuth adjustment bolts while observing the RSSI reading to ensure the azimuth

alignment does not change while tightening. Torque the two M8 galvanized hex bolts to 24 N-m

(17.7 lb-ft).

6. Tighten the Elevation adjustment bolt while observing the RSSI reading to ensure the elevation

alignment does not change while tightening. Torque the M8 galvanized hex bolt to 24 N-m (17.7 lb-ft).

7. Test the Link. Prior to placing the link in service for network traffic, the link should be tested using

standard network procedures.

Version 1.0 Page 7 May 2003

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