Nokia Solutions and Networks INLITERU-01 InLite Dual Band Enhancer Remote Unit User Manual Warnings and Cautions

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Document ID	174636
Application ID	YretdUYGmHasHQU5mjcdvA==
Document Description	Warnings and Cautions
Short Term Confidential	No
Permanent Confidential	No
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Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	38.53kB (481665 bits)
Date Submitted	2001-10-17 00:00:00
Date Available	2001-10-12 00:00:00
Creation Date	2001-10-11 10:21:56
Producing Software	Acrobat PDFWriter 3.02 for Windows NT
Document Lastmod	0000-00-00 00:00:00
Document Title	Warnings and Cautions

Warnings and Cautions
D N 00204118
Issue 3-0 en
© N okia Corporat
ion
N okia P ropriet
ary and Confident
ial
1 (22)
W arnings and Caut
ions
The inform at
ion int
his docum entis subj
ectt
o change w it
houtnot
ice and describes
onl
y t
he productdefined int
he int
roduct
ion of t
his docum ent
at
ion.This docum entis
int
ended fort
he use of N okia N et
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om ers onl
y fort
he purposes of t
he
agreem entunderw hich t
he docum entis subm it
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he priorw rit
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rained personnel,and t
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The inform at
ion orst
at
em ent
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he suit
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capacit
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w are product
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lbe defined in t
he agreem entm ade bet
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im it
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F O R E R R O R S IN T H IS D O CU M E N T O R F O R A N Y D A M A G E S ,IN C ID E N T A L O R
CO N S E Q U E N TIA L (IN CL U D IN G M O N E T A R Y L O S S E S ),t
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he inform at
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This docum entand t
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N O K IA l
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Copy right© N okia Corporat
ion 2001.A l
lright
s reserved.
0523
FCC
H ereby ,N okia Corporat
ion,decl
ares t
hatt
his N okia InL it
e is in com pl
iance w it
he essent
ialrequirem ent
s and ot
herrel
evantprovisions of D irect
ive: 1999/5/E C.
The productism arked w it
ht
he CE m arking and N ot
ified Body num beraccording
ot
he D irect
ive 1999/5/E C
FCC §15.21 - Information to user -The N okia InL it
e is used as an int
ent
ional
radiat
ed equipm entand any changes orm odificat
ions on t
he equipm entw it
hout
any approvalby N okia coul
d voidt
he user'
s aut
horit
y t
o operat
et
he equipm ent
FCC §15.27 b) - Special Accessories -If a device requiring specialaccessories
is inst
al
ed by orundert
he supervision of t
he part
y m arket
ing t
he device,itis t
he
responsibil
it
y of t
hatpart
y t
o inst
al
lt
he equipm entusing t
he specialaccessories.
F orequipm entrequiring professionalinst
al
at
ion,itis notnecessary fort
he
responsibl
e part
y t
o m arkett
he specialaccessories w it
ht
he equipm ent
.H ow ever,
he need t
o use t
he specialaccessories m ustbe det
ail
ed int
he inst
ruct
ion
m anual,and itis t
he responsibil
it
y of t
he inst
al
ert
o provide and t
o inst
al
lt
he
required accessories.
2 (22)
© N okia Corporat
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FCC §15.105 - Information to user -This equipm enthas been t
est
ed and found
o com pl
y w it
ht
he l
im it
s fora Cl
ass B digit
aldevice,pursuantt
o part15 of t
he
F CC R ul
es.These l
im it
s are designed t
o provide reasonabl
e prot
ect
ion against
harm fulint
erference ina resident
ialinst
al
at
ion.This equipm entgenerat
es,uses
and can radiat
e radio frequency energy and,if notinst
al
ed and used in
accordance w it
ht
he inst
ruct
ions,m ay cause harm fulint
erference t
o radio
com m unicat
ions.H ow ever,t
here is no guarant
ee t
hatint
erference w il
lnotoccur
ina part
icul
arinst
al
at
ion.If t
his equipm entdoes cause harm fulint
erference t
radio ort
el
evision recept
ion,w hich can be det
erm ined by t
urning t
he equipm ent
off and on,t
he useris encouraged t
ot
ry t
o correctt
he int
erference by one orm ore
of t
he fol
ow ing m easures:
• R eorientorrel
ocat
et
he receiving ant
enna.
D N 00204118
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•
Increase t
he separat
ion bet
w een t
he equipm entand receiver.
•
Connectt
he equipm entint
o an out
eton a circuitdifferentfrom t
hatt
o w hich
he receiveris connect
ed.
•
Consul
tt
he deal
eroran ex perienced radio/T V t
echnician forhel
p.
© N okia Corporat
ion
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ial
3 (22)
W arnings and Caut
ions
History
Date
Version
Author
Details
9 -05 -2000
D raft1
N orm an T.
Thom as
Init
ialcom pil
at
ion of docum ent
24 -10 -2000
D raft2
Ty rone W il
iam s
R evised draft
09 -01-2001
D raft3
IndiL iepa
R evised aft
ersubj
ectm at
erex pert
review
26 -01 -2001
D raft4
IndiL iepa
R evised aft
erTekm arvisitby H arri
V aananen.
29 -01 -2001
D raft5
IndiL iepa
U pdat
ed aft
erfinalreview by H arri.
9 -02 -2001
Issue 1,D raft6
IndiL iepa
F inalreview by H arri.
18 -07 -2001
Issue 2,D raft1
Tom D um ic
Incl
uded U S T y pe A pprovalinform at
ion
22 -08 -2001
Issue 2
Tom D um ic
R el
ease forP roductv1.0.1
05 -09 -2001
Issue 2,D raft1
Tom D um ic
D raftforP roductv2
10 -10 -2001
Issue 3
Tom D um ic
R el
ease forP roductv2
4 (22)
© N okia Corporat
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A boutt
his docum ent
About this document
This document details the safety precautions to be followed when working with
the Nokia InLite. Instructions in Installation, Commissioning and Maintenance
must be followed when installing the Nokia InLite and performing any
commissioning or maintenance on it. Failure to follow these instructions may be
dangerous to the installation, commissioning and maintenance personnel.
1.1
Safety guidelines
The safety guidelines are designed as follows:
•
Warnings alert the reader to dangers which may cause loss of life, physical
injury or ill health in any form. The symbol denoting a warning is presented
below.
WARNING
This is a warning!
•
Cautions are used to denote possible damage to equipment but not dangers
to personnel. The symbol denoting a caution is presented below.
Caut
ion
This is a caution!
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2.1
Warnings
Personnel
Installation, commissioning and maintenance measures concerning any Nokia
equipment may be performed only by trained and authorized personnel. The
Nokia InLite must be installed so that only the authorized personnel have access
to its sensitive parts.
WARNING
Always prevent unauthorized personnel from accessing the Nokia InLite.
2.2
Dangerous voltage
Potentially lethal voltage is present within this system. For more information on
grounding and on the power supply, refer to System Requirements for Installation
and Operation.
WARNING
Disconnect the Main Unit (MU) from the mains power supply before
removing the cable connection cover of the Power Supply Unit (PSU).
The warning label shown in Figure 1 is displayed on the power supply cover:
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110/220V A C
P A R T IN S ID E
R E M O V E T H E CO V E R O N L Y
W H E N T H E E Q U IP M E N T IS
D ISCO N N E CTE D F R O M M A IN S
F igure 1.
P ow ersuppl
y dangerous vol
age w arning l
abel
WARNING
Make sure that applicable high voltage safety precautions are taken before
attempting to work on the system with the power connected!
WARNING
Potentially lethal voltages can be induced if the equipment is not grounded
correctly. Ensure that all ground connections are secure and non-removable!
WARNING
A current plug with ground connection is not sufficient as it can be pulled off.
Therefore, the grounding should be fixed.
WARNING
Connect the MU to the main grounding busbar of the site! Electrical currents
from power and communication cables is dangerous.
WARNING
Ensure that the ground connection is established before an AC power outlet
is connected to the MU! Ensure that the ground connection is removed only
8 (22)
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after the AC power outlet is disconnected!
WARNING
Do not rely on the power switch alone to isolate a supply. Unplug the power
supply cable from the mains socket if possible.
2.3
Weight
WARNING
The MU weighs 16.5 kg (33 lb.) without the cover and mounting frame.
The three types of Remote Unit (RU) vary in weight between 1.7 kg (3.8 lb)
and 11 kg (24.25 lb).
The Centralised Power Supply Unit (CPSU) weighs 12.5 kg (27.5 lb).
2.4
Safety and precautions for lasers
The optical transmitter used in the laser which is used in the Nokia InLite system
contains an optical transmitter which has a power level classification of 3A as
defined in EN 60825 (norm). This classification is not considered to be a health
hazard.
When working with the optical connectors, check that the DL laser on the LU is
switched off.
WARNING
Never look directly at the internal optic connector exit of the transmitter
apparatus when it is switched on. The wavelength of the laser is not visible to
the human eye, which means that long-term damage will not immediately be
known.
The symbol shown in Figure 2 denotes an aperture which is the source of invisible
radiation.
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F igure 2.
S ource of invisibl
e radiat
ion w arning l
abel
The symbol shown in Figure 3 denotes a source of laser radiation.
L A S E R R A D IA T IO N
D O N O T S T A R E IN TO T H E BE A M O R V IE W
D IR E CTL Y W ITH O P T ICAL IN S T R U M E N T S
-CL A S S 3A L A S E R P R O D U CT
F igure 3.
L aserradiat
ion w arning l
abel(Cl
ass 3A )
N ot
The LU is classified as a Class 1 laser product. The RU is classified as a Class 3A
laser product.
2.5
Electromagnetic fields and RF power
The antenna connected to the RU generates electromagnetic radiation, which can
exceed safety levels very close to the antennas. Observe the general guidelines
presented in Section 2.5.1, and apply the minimum distance calculation formula
presented in Section 2.5.2.
10 (22)
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2.5.1
General guidelines
WARNING
The antenna generates electromagnetic radiation which can exceed safety
levels when a person is working in very close proximity to the antennas.
Observe the minimum distance precautions shown in Table 1 when working
in close proximity to an antenna operating at full power.
WARNING
Do not install the MU, RUs or the antennas in areas where there is a potential
risk for interference with inadequately shielded medical equipment such as
hearing aids, life support devices or other electrically or magnetically
sensitive devices.
WARNING
When installing the MU, RUs or its antennas, the emission of other antennas
nearby has to be known beforehand so that ambient emissions can be
managed properly.
2.5.2
Formula for minimum safety distances
This section presents the formula for calculating the minimum safety distances
using the specifications of the particular antenna.
m in
(G -L )
10 10 P
4 S
F igure 4.
F orm ul
a forcal
cul
at
ing m inim um safet
y dist
ance (rm in)
The equatio in Figure includes the following factors:
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•
G is the antenna gain (in dB) compared to isotropically radiating antenna
•
P is the power measured at the antenna port of RU (W)
•
L is the total loss (in dB) between the antenna port of RU and the antenna
input
•
S is the maximum allowed power density in air (W/m 2)
© N okia Corporat
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2.5.3
Safety distance calculation examples
Table describes how the minimum distances for controlled and uncontrolled
environments are calculated.
Limit
M inim um D ist
ance inCont
rol
ed
E nvironm ent
s*
Description
The m inim um dist
ances are cal
cul
at
ed
using t
he reference l
evel
s forpow er
densit
y as present
ed int
he CE N E L E C
prest
andard;f/40 W /m 2,int
he
frequency range 400 t
o 2000 M H z ,
averaged overany 6 m in.t
im e int
erval.
This is in agreem entw it
h ot
her
guidel
ines (IE E E /A N S I,IR P A ,N C R P ,
F CC)orst
rict
er.
M inim um D ist
ance inU ncont
rol
ed
E nvironm ent
s*
The m inim um dist
ances are cal
cul
at
ed
using t
he reference l
evel
s forpow er
densit
y as present
ed int
he CE N E L E C
prest
andard;f/200 W /m 2,int
he
frequency range 400 t
o 2000 M H z ,
averaged overany 6 m in.t
im e int
erval.
This is in agreem entw it
h ot
her
guidel
ines (IE E E /A N S I,IR P A ,N C R P ,
F CC)orst
rict
er.
* Cont
rol
ed environm ent
s refert
ol
ocat
ions w here t
here is ex posure t
persons aw are of t
he pot
ent
ialex posure.U ncont
rol
ed environm ent
s refert
ocat
ions w here t
here is ex posure t
o persons notaw are of t
he pot
ent
ial
ex posure and w ho have no cont
roloverit
Tabl
e 1.
D escript
ion fordist
ance cal
cul
at
ions incont
rol
ed and uncont
rol
ed
environm ent
Using the formula for minimum safety distances and the appropriate information
for each factor, safety distances can be calculated as in the following calculations
(Table 2) related to a particular environment.
N ot
Some of the sample distances in Table 2 are still not available, but will be
available with the full release of the UM.
12 (22)
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Factor
Unit
F requency
f [M H z ]
M ax im um T X pow er
800
800
900
1800
900
1800
P out[W ]
0.015
0.015
M inim um l
osses: cabl
L [dB]
M ax im um ant
enna gain (dependenton
userchoices)
G [dB]
10
10
M ax im um num berof TR X s/ant
enna
(dependenton userchoices)
P ow erD ensit
y /Cont
rol
ed environm ent
S [W /m 2]
22.50
45
P ow erD ensit
y /U ncont
rol
ed
environm ent
S [W /m 2]
4.5
Controlled environment
rm in [m ]
0.02 m
0.014 m
Uncontrolled environment
rm in [m ]
0.04 m
0.03 m
1900
1900
* C E N E L E C prest
andard E N V 50166-2
Tabl
e 2.
2.6
S afet
y dist
ance cal
cul
at
ion sam pl
Test equipment
WARNING
Before connecting test equipment to TRX ports or RU antenna ports, check
that 5 VDC voltage does not damage the equipment.
If there is a risk of damage, use a Bias-T between the test equipment and the
aforementioned ports to prevent damage.
The warning symbol shown in Figure 5 denotes a voltage warning.
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5V D C
F igure 5.
2.7
V ol
age w arning sy m bol
TRX input power
WARNING
The power input from a BTS/TRX connected to the MU must not exceed 33
dBm (2 W).
The warning label shown in Figure 6 denotes the input power warning.
14 (22)
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TR X 1
TRX 2
BTS1
TR X 3
TRX 4
W A R N IN G
+5V D C on connect
ors
M A X IN P U T P O W E R
+33 dBm (2W )
TR X 5
TRX 6
BT S 2
TR X 7
TRX 8
F igure 6.
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Inputpow erw arning sy m bol
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Caut
ions
Cautions
3.1
Handling of MU, RUs and the CPSU
3.1.1
Storage and transportation
Caut
ion
During storage and transportation, the MU, RUs and the CPSU (if used) must
remain in the original packaging to:
•
Avoid mechanical damage
•
Maintain traceability
•
Protect the units against static electricity (ESD precaution).
Caut
ion
Handle the MU, RUs and the CPSU (if used) with care. Do not drop the product
or the package containing it.
3.1.2
Weight
Caut
ion
Persons in charge of the transportation and installation of the MU and RUs must
note that a fully equipped MU (without the cover and mounting frame) weighs
16.5 kg (33 lb.) and the three types of RUs vary in weight between 1.7 kg (3.8 lb)
and 11 kg (24.25 lb).
If a CPSU is used, its weight is 12.5 kg (27.5 lb).
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3.1.3
Handling the MU
Caut
ion
Do not lift the MU by the splice cassette box because the cassette or the cassette
box may break.
Caut
ion
Take care not to damage the door switch of the MU when lifting the MU.
3.1.4
Installation of the MU, CPSU and the RUs
Caut
ion
Installation of the MU and CPSU above a height of 2 meters is not recommended
due to the difficulties of installing and maintaining the units above this height.
Personnel who are installing the MU, CPSU and the RUs should be informed
about the possible risks and safety measures when elevated. The use of an air
platform for installations of RUs at height is recommended.
3.1.5
Grounding
The MU may receive damaging overvoltages through the RF jumper cable from
the BTS or via power supply lines.
Caut
ion
Sufficient protective grounding is required. A current power plug with ground
connection is not sufficient: the grounding of the MU must be based on a fixed
grounding cable.
3.1.6
Electrostatic discharge protection
Caut
ion
Always wear a close-fitting antistatic wrist strap around your uncovered wrist
when handling the plug-in units of the MU!
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Caut
ions
The MU contains Electrostatic Sensitive Devices (ESD) label and stud, which
means that they may be permanently damaged by electrostatic discharges
encountered in routine handling, testing and transportation. The MU is labelled
with an electrostatic sensitive device symbol as shown in Figure 7.
F igure 7.
El
ect
rost
at
ic sensit
ive device l
abel
Electrostatic discharges are caused by direct contact or by an electrostatic field. If
a charged body approaches an electrically conducting surface, the acquired
potential is discharged. An equalizing current can then flow in the associated
circuitry and generate permanently damaging voltages by induction. The human
body should be grounded at the same potential as the component or equipment
being handled. A wrist strap creates an equipotential electrical connection
between the object and the human.
The MU has a grounding point (ESD stud) to which a wrist strap must be
connected, as seen in Figure 8.
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E S D st
ud
W ristst
rap
F igure 8.
3.2
W ristst
rap grounding connect
ion
Nokia InLite power supply
Caut
ion
To protect the MU, RU and CPSU from overvoltages, the use of a transient
overvoltage circuit breaker is recommended.
20 (22)
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ions
3.2.1
MU
3.2.1.1
MU AC power supply
Caut
ion
Ensure the correct polarity. Incorrect polarity causes damage to the equipment.
Caut
ion
The MU power switch does not disconnect the equipment from the power
network.
The separate main switch on the site is considered a disconnect device for safety
and service purposes. Alternatively, the power supply cable can be unplugged
from the mains socket.
Caut
ion
Do not connect AC power until you have verified that the line voltage is correct!
The correct power supply is 110 VAC or 220 VAC.
3.2.1.2
Grounding of MU AC power supply
Caut
ion
Ensure that the MU is connected to a grounded power outlet!
3.2.1.3
PSU
Caut
ion
Double pole/neutral fusing.
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3.2.2
RU
RUs using -48 VDC require a CPSU.
Caut
ion
RUs can be used with 110 VAC or 220 VAC or -48 VDC. However the 110/220
VAC and -48 VDC supplies are connected via different connectors. The required
type of RU (110/220 VAC or -48 VDC) must be specified at the time of ordering.
22 (22)
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MIME Type                       : application/pdf
PDF Version                     : 1.2
Linearized                      : No
Page Count                      : 22
Creator                         : 
Create Date                     : 2001:10:11 10:21:56
Title                           : Warnings and Cautions
Author                          : 
Producer                        : Acrobat PDFWriter 3.02 for Windows NT
Subject                         : Nokia InLite

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