GeoDesy FSO Giga Next User Manual

. 6

Giga Ne

Users’ Manual

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H-1116 Budapest, Kondorfa str

-8.

Xt

1.5e

E-mail:

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Table of contents

1 Introduction ...................................................................................................................... 4

1.1 What is FSO?........................................................................................................... 4

1.2 Why is it important? ............................................................................................... 4

1.3 Optical Free-space Transmission .......................................................................... 6

1.4 Typical applications ................................................................................................ 7

2 Interfaces for the X Series ............................................................................................... 8

2.1 1000Mbps TP interface........................................................................................... 8

2.2 1000 Mbps FO interface ......................................................................................... 8

3 Sites of installation ........................................................................................................... 9

3.1 Key factors of operation ......................................................................................... 9

3.2 Preferred installation sites ..................................................................................... 9

3.3 Distance measurement .......................................................................................... 11

3.4 Direct sunshine ...................................................................................................... 11

4 Eye safety ........................................................................................................................ 12

5 The mounting bracket .................................................................................................... 13

5.1 Mounting brackets for the X Series .................................................................... 13

6 System installation ......................................................................................................... 15

6.1 On the table test .................................................................................................... 15

6.1.1 Alignment of the X se

How to use the alignment base .............................................................................. 16

Fine tuning ................................................................................................................. 17

6.1.2 GigaPinto-X setting at the installation site ........................................................ 17

6.1.3 Meanings of the LEDs ........................................................................................ 20

6.1.4 Connecting to your Network ............................................................................... 21

PoE 802.3 af connection. ........................................................................................... 21

System layout .............................................................................................................. 21

System scematics ........................................................................................................ 22

7 Management ................................................................................................................... 23

7.1 Features .................................................................................................................. 23

Connecting the management in the network .............................................................. 23

Login Screen and password ........................................................................................ 24

Head information screen ............................................................................................. 24

Status info screen ........................................................................................................ 25

Device setup ................................................................................................................ 26

IP Setup ....................................................................................................................... 27

SNMP Setup ............................................................................................................. 28

Security ...................................................................................................................... 29

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Network statistics page ........................................................................................... 29

Additional features ...................................................................................................... 30

GigaPinto-NEXT extra MGM functions .................................................................... 31

Mandatory Management Activation ........................................................................... 33

Firmware update ......................................................................................................... 34

7.2 Setting up SMP in the LB-View Box ................................................................ 36

7.2.1 SNMPc Installation ............................................................................................. 37

7.2.2 Configuration of the SNMPc Management console ........................................... 38

7.2.3 Compiling GeoDesy-FSO Mib file ..................................................................... 41

7.2.4 Using SNMP to monitor the link ........................................................................ 43

7.2.5 Generating failure ............................................................................................... 45

7.2.6 SNMP Technology.............................................................................................. 47

Trap event list ........................................................................................................... 54

8 Warranty conditions ....................................................................................................... 55

9 Privacy statement ........................................................................................................... 56

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1 Introduction

1.1 What is FSO?

FSO

is free space optics provides point-point broadband communications using

Laser Light as the transmission medium.

FSO

is a state of art data communication method which is based on a very old
communication solution. Ancient Chinese developed a protection system against the
Mongol tribes, building watchtowers within the line of site to other towers. And as
soon as the towers saw some hostile sign on the horizon they use they shield to
reflect the sun to the remote towers. In this way the area could be prepared against

the attack in a very short period of time.

In the ancient times for this communication use the mirror
as a transmitter and the sunlight was the light source, and
the receiver was the remote guard’s eye. This basic
signalling method was developed later into up
communication device which used „line coding”. This
allowed the guards to tell the number of enemy, or the
direction they are coming from.

FSO

Current
and a receptor diode (photo diode) to receive the signals
coming from the laser diode from the transmitter side. But
the basic elements are still the same: line of site between

the communication nodes, and individual line coding. It is all about performance.

GeoDesy FSO

the market.

offers

FSO

systems with the highest power budget available on

systems use a laser-diode as a light source,

1.2 Why is it important?

Because of in the ancient Chinese times, the rain, the fog, or even the cloudy
weather, could impact the operation of the whole system.

In the
solved, but development conditions still can impair
performance. To go throw the rain, the fog, or snow you
need more and more power to be seen from the remote
side. Achievable power levels are limited by a number of
factors including eye safety.

In this way there is no other choice to see more than
„training the eye”. Making the receiver more and more
sensitive to sense delight emitted from the remote side.

GeoDesy FSO

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FSO

units, comprising light source and receiver the cloud problem was

offers high transmit power and also

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very hard receiver sensitivity. These two factors combined to provide one of the best
performing

To meet the demands for every higher bandwidth,
continues to invest heavily in research and development with the newest product line
which offers Gigabit speeds being launched.

This manual describes the
transmission system.

The

GeoDesy FSO Next

laser transmission for two Mbps up to 1000 Mbps data to the air, where a clean line
of site is available. It delivers the most effective point-to-point connection between
computer networks or telephone exchanges.
No need for installing cables, no rental costs, no licensing requirements.

Ideal for urban areas or city centres, where the use of these lines are expensive.
Suitable for factories or industrial environments where high noise level can interfere
with the transmitted data. The best choice to make a connection across rivers and
other natural or artificial obstacles, where cable is not available.

The transmission technique used in the
transparent and wire-speed data transfer with virtually zero latency. Because they

use infrared light as the transmission medium,
require frequency licenses and the transmission is not effected by electro-magnetic

or radio-frequency interference. Basically the
considered as a virtual fibre in the air, which ends in real fibre optic cable at both
ends.
Our product is built using high quality components for operation in even the most
adverse conditions.

Metal housing gives robust, waterproof environment for the electronics.
The shield protects the device from direct sunlight and provides extra air isolation.

GeoDesy FSO

The
one at each end. The interface connections are housed in the outdoor unit together
with the PSU of the system.

Best practises were employed in cost engineering throughout the development of

GeoDesy FSO

FSO

systems on the market today.

GeoDesy FSO Next

product range offers cost effective reliable free space

X systems comprise two laser-heads

.

GeoDesy FSO

series of free space laser

GeoDesy FSO

GeoDesy FSO

GeoDesy FSO

(

Europe)

devices provides

system do not

link can be

Limited

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1.3 Optical Free-space Transmission

The principle used in free space laser transmission is very similar to the one is used
for fibre optic transmission. The difference is while fibre optic devices use electronics
and optics optimized for transmission to the air. Also one can observe to the
similarity in the transmission properties. No galvanic contact, no ground-loops, no
need for surge protection, noise immunity, long distances, high bandwidth.

What makes it unique – and difficult to design – is that it does not require any
transmission medium like fibre or copper, but it has to cope with the dynamically
changing parameters. For instance while the attenuation of an optical fibre is
constant, the attenuation of the atmosphere between the laser units can change
dramatically (depending on the weather conditions).
The laser-heads are usually placed on top of building, where the clean line of site is
guaranteed and the beam cannot be interrupted.

In the head the incoming signal is amplified, encoded, and then drives the laser­diode. The transmitter optics assures the proper beam shape and controls the beam
divergence. The receive optics perceives and directs the transmitter signal to the
photo diode. The diode converts it back into electrical, than it is decoded, amplified
and converted.

There are several things that can influence the quality of transmission. We can
classify those factors into three main groups.
System conditions - transmitting power, transmitter’s wavelength, beam divergence,
receiver optics diameter, receiver sensitivity, parameters of optical system and
casing. These parameters determine the system’s characteristic at a certain
distance and are controlled by system design and factory set up.

Weather conditions - molecular absorption, particle scattering and turbulence. These
elements have great effect on the operational conditions of the system. We do not
have very much influence on them; proper product selection can eliminate the
undesirable effects.

Environmental conditions - building movements, direct sunlight, refractive surfaces.
These are also key factors related to the installation sites and can be controlled by
appropriate site survey and system installation

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. 6

Typical applications

GeoDesy FSO

s. The system is protocol transparent, thus other applications also can be taken into

consideration. Appropriate interface converters are needed and system bandwidth

Here we collected some circumstance

is the most adequate

Areas with natural or artificial obstacles

Where only leased lines are available with

limited speed, and high rental cost. With

links you can establish on line

Where high bandwidth is required. ISP’s can offer

speed links to their customers or trunks can be

established between ISP’s instead of expensive leased lines.

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is used to interconnect LAN

ployment of the

Where cable is actually not an alternative, like across

rivers or railways or in rugged terrain.

Where you have noisy environment with high EMI or

dings, airport objects can be

Corporate

LA

ISP

1.4

Most typically the

must be matched for that.

FSO

Those are:

Next

as a cost effective solution.

Urban areas

product are

s, where the de

-

GeoDesy

GeoDesy FSO
LAN-to-LAN connections.

Industrial areas

ISP connections

high-

RFI. Factory buil
connected through laser link.

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H-1116 Budapest, Kondorfa str

-8.

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2 Interfaces for the X Series

2.1 1000Mbps TP interface

The

GeoDesy FSO X PoE

and cost-effective solution for interconnecting Local Area Networks. By utilizing
standard Category 5e cable and using standard IEEE802.3af interface the
deployment of the system is easier than ever before. The transparent and wire
speed data transfer together with virtually zero latency assures the easy integration
of the system in all environments.

X PoE

The
installation distance between the head and the network device is 100m. The
distance on a back to back site is maximum 5 meters, between the heads without
signal regeneration.

The

X PoE

the power required for operation and the data. The system requires IEEE 802.3af
Power over Ethernet switch or power injector. The power consumption suits to the
standards described in the standard. Also provides fast and easy connection for the
management system for more details please see the chapters below. The system is

certified

systems should be considered as repeaters in the network. So the

systems connecting to the network with two RJ 45 cable which provides

Class 1M product

series products are designed to provide easy-to-use

, this way 100% eye safe.

2.2 1000 Mbps FO interface

As a new feature the GeoDesy FSO Giga Next POE system is ready to be upgraded
with Single or Multi mode SC fiber interface with SX or LX option.

The power is provided via the same cable as in the case of the TP interface
systems.

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3 Sites of installation

3.1 Key factors of operation

There are four key issues that the site survey has to shed light on. Proper system
operation cannot be guaranteed without satisfying all of the four requirements.

Clear line of sight

of any obstacles. It not only means that one has to see the other side, but other
possible sources of disturbance should also be taken into consideration. For
example there might be turbulence above the roofs and other constructions, and this
can cause fraction or scattering of the beam or snow accumulation on roofs too
close to the beam can influence or even interrupt communication.

Solid mount surface

the beam is limited, it is extremely important to mount the unit on a stable structure
with the possible smallest movement. This way the receiver of the remote unit
cannot get out of the beam due to the movement of the opposite head.

East-West orientation

filters to protect the receiver diode from the effect of undesired light sources, direct
sunshine can cause saturation of the diode. This prevents the system from working
properly for several minutes a day at certain times of the year. In most cases this
effect can be avoided by careful selection of the mounting spot.

In order to comply with the requirements of the successful installation - including the
discussed four key factors and other criteria - the following matters should be taken
into consideration.

- The entire optical path between the two ends must be free

- is the key for long-term operation. Since the diameter of

- although the receiver optics are equipped with optical

3.2 Preferred installation sites

All buildings and constructions have a certain movement of their own. It’s
determined by the structure and material of the building. Metal structures can shift or
twist due to temperature changes. Wooden construction can expand or shrink with
any changes in humidity. Give preference to concrete or brick buildings. On the
other hand high structures like towers, skyscrapers or poles are always subject to
movement. Mount the support frame to walls of the building or near corners, as they
are the most stable spots. Use appropriate consoles for wall mounting. If a stand is
used on the top of
building, secure it directly to the ceiling or to the concrete cornice wherever is
possible. Do not fix stands to insulating materials as they can slowly sink under the
weight of the unit and with temperature changes. Big chimneys and smokestacks
may look stable, but as their inner temperature varies they can also move. Vibration
caused by heavy traffic, trains and elevators etc. may slowly move the system out of
its specified direction. Another important consideration is to provide enough space

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Preferred installation

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for alignment and to have the potential for future maintenance. Consider that the
support frame is usually heavy, so the selected spot should be easily accessible.

Pay attention to Avoid (*)

sites

Concrete wall Behind window Soft materials
Brick wall Old constructs Chimneys
Microwave towers Wooden constructs
Metal masts or Frames
Hidden heat isolations,

like Styrofoam

(*)
In cases where installations are listed under “AVOID” cannot be avoided than special mounting
accessories to be designed and special installations must be used.

It is not only the building that has to be solid, but the support structure too. Antenna
poles and security camera holders are not suitable for the

GeoDesy FSO

units.

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3.3 Distance measurement

Because the units were designed, and calibrated for certain distance operations the
higher distance will decrease the availability. GeoDesy FSO pre-calibrates and pre­tests every unit shipped to the customer. To ensure that the unit you are about to

buy fits to the needs, the first step
is to measure the distance. The
best way to measure it is by GPS
(Global Positioning
System), these units
are accurate enough to
determine the distance
between two points.
For more details
please refer to the
GPS manufacturer
handbook. Also there are several
other ways to measure the
distance. If you know the exact

address you can use mapping software like MapPoint or Auto route.

3.4 Direct sunshine

To prevent the sun shining directly
into the receiver optics, first one
has to determine the orientation of
the link. Try to avoid East-West
orientation wherever it is possible.
Examine both sides of the link at
sunset and sunrise and find a
position where the sun cannot get
behind any of the heads. Be aware
that the path of the sun is changing
throughout the year.

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. 6

There are no two installation spots of the same kind, the buildings or structures, the

available space and the accessibility of the place will be different

Nevertheless, as a general rule it is very important to select the installation site so

that nobody can look directly into the transmitter. For this reason place the head

either so high (on the side wall of the building) or so close to the ed

(on a parapet on the rooftop) that no person can approach it accidentally and can

get into the beam path. Set up barriers if necessary and put warning signs at

The laser heads are provided with all labels and hazard war

laser standard. There are warning labels on both the left and right side of the

protective cover next to the optical window and there is a warning and an informative

label on the rear side of the laser head.

INVISIBLE LASER RADIATION

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48VDC IEEE 802.3af compilant

Manufactured by: GeoDesy FSO 1162 Budapest,

-

www.GeoDesy FSO.com

ge of the building

nings required by the

4 Eye safety

prominent places.

in each case.

7440 Fax.:[phone]

DO NOT VIEW DIRECTLY WITH

OPTICAL INSTRUMENTS

CLASS 1M LASER PRODUCT

Type : LB X-0200-E1000TP/FO
S/ : LBH-«s/n»

Input Power : ­Laser : 1M
Wavelength : 785nm

Kondorfa u. 6-8, HUNGARY, Tel.:+36-1-453

GeoDesy Kft.
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5 The mounting bracket

In the following chapter you will find detailed description of the bracket fastenings.

5.1 Mounting brackets for the X Series

GeoDesy FSO

for X series units. A simple fixing technique of this bracket can be seen on the
following figure, required tools are as follows:

- drilling machine

- 10 mm wrench

provides the mounting bracket and all the necessary components

Bracket sizes:

Length: 463mm
Leg Width: 263mm
Head Width: 130mm
Drill size: 10mm wall drilling

Installation steps:

• Place the bracket on the wall

• Mark the wall with a permanent marker

• Use your 10mm wall drill to drill all of the holes into the wall

• Clean the holes

• Place the wall-plugs into the holes (please note that some times you need to

use hammer to put the wall-plugs into the hole, if you have to please be
careful not to break the wall-plug )
Place the bracket to the wall an line it up to the holes

•

• Put the screws into the wall-plug through the hole on the leg of the bracket

(please see the figure above)

• Tighten up the screws

Packet list for the bracket:

3pcs 8x110 screw for bracket fixing

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3pcs 8x100 plastic wall-plug for bracket fixing

2pcs M6x90 bolt Head fixing
3pcs M6x25 screw Head fixing
3pcs M6 bolt head fixing
6pcs 6mm spacer bracket and head fixing
6pcs 6mm spring spacer bracket and head fixing

Mounting Hole Patterns

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6 System installation

6.1 On the table test

Warning!

this distance even the reflected laser beam can be dangerous to your eyes.
Operating the system on much shorter distance than presumed originally can cause
saturation or even permanent damage to the receiver. Always use optical
attenuators for this kind of test.
The on-the-table test needs careful planning and careful use during the test period.
The units should be placed at about 2 m distance from each other with optical
windows facing one another. Put an appropriate optical attenuator (Attenuating foil
or cardboard with several small holes) between the heads. Make all the necessary
connection as described below to connect your network equipment (computer or
protocol analyzer) to the heads and power up the units. Turn ON the Outdoor
Interconnection Units and check if the power LED is ON on the head.
You should be able to align the units without any tool and get full received level on
the signal strength LED’s. Make sure that the “Saturation” indicator is OFF. Adjust
your attenuators if necessary to avoid saturation of the receivers.

Please note that at this short distance, specially the longer distance links can reflect
to the remote site or even to the same head. If you experience full receiving level,
with no traffic throughput, in that case try to move the heads slightly units out of the
reflection zone.

Please also take in consideration that the laser beam is concentrated and in such a
short distance can harm your eyes, every time you test the units on short distance,
do it with extra care. Never look into the sighting device if the remote laser is turned
on. We strongly suggest to double check the power connection before you turn on
the device. Handle the power connection with extra care. Safety first.

After obtaining the desired received level, check the data connection between
devices. Using computers or appropriate testing devices.
On the table tests are perfect for troubleshooting (If there is a transmission problem,
check the status of the connecting devices (e.g. Link signal or cable polarity) and
cables.) in a controlled area. If you experience some problems during the test,
please try to test the connected equipments with a direct connection.

Do not look either into the transmitter or the receiver optics because at

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6.1.1 Alignment of the X series

The first step after the unit was placed to

Power

Local level

RX OK TP-LK FO-LK R-V/TP

the bracket, and turns the units facing
each other.

On the back of the receiver

Remote level

you can find the LEDs for the local
received level and the remote received level. This help will be very
useful because as soon as you have received – which is very easy to
achieve – you can see the effect of your local sides movement to the
other side. For further information please check the Meanings of the
LEDs chapter.

How to use the alignment base

1. Loose the Coarse locker on the
horizontal as well as on the
vertical side with a 10mm
spanner

2. Move the head left - right up

down you should use the built in
telescope to lit up a few LEDs on
the remote end.

3. When you have lined the unit up

to a rough position lock the
coarse locker with a 10mm
spanner.

epeat step 1-4 on the remote

4. R

end.

5. On the bottom of the unit you
can find fine tuning screws one for horizontal and one for vertical.

6. No tightening is needed on any other screw than the coarse locker.

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Fine tuning

1. Site A start moving the
laserhead with the
horizontal fine adjustment
screw by looking at the
Remote end received
level

2. Using the fine adjustment
screws, lighten as many
LEDs as possible

3. Repeat step 1-2 on Site B.

f necessary try step 1-2

4. I

on both sites again.

6.1.2 GigaPinto-X setting at the installation site

The installation of the GigaPinto-X is as described above with the only difference
that the two transmitters can be moved separately. (use only if there is no
connection between the two heads or they need adjustment). During installation the
motor control has to be switched off. It can be switched off by making an unfinished
booting.
Transmitter setting screws can be approached after removing the 4 screws on the
front of the head. See image:

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