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Nokia MetroSite EDGE Base Station
Requirements for Installation and
Operation
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Nokia Proprietary and Confidential
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Requirements for Installation and Operation
The information in this documentation is subject to change without notice and describes only
the product defined in the introduction of this documentation. This documentation is intended
for the use of Nokia's customers only for the purposes of the agreement under which the
documentation is submitted, and no part of it may be reproduced or transmitted in any form or
means without the prior written permission of Nokia. The documentation has been prepared to
be used by professional and properly trained personnel, and the customer assumes full
responsibility when using it. Nokia welcomes customer comments as part of the process of
continuous development and improvement of the documentation.
The information or statements given in this documentation concerning the suitability, capacity,
or performance of the mentioned hardware or software products cannot be considered binding
but shall be defined in the agreement made between Nokia and the customer. However, Nokia
has made all reasonable efforts to ensure that the instructions contained in the documentation
are adequate and free of material errors and omissions. Nokia will, if necessary, explain issues
which may not be covered by the documentation.
Nokia's liability for any errors in the documentation is limited to the documentary correction of
errors. NOKIA WILL NOT BE RESPONSIBLE IN ANY EVENT FOR ERRORS IN THIS
DOCUMENTATION OR FOR ANY DAMAGES, INCIDENTAL OR CONSEQUENTIAL
(INCLUDING MONETARY LOSSES), that might arise from the use of this documentation or
the information in it.
This documentation and the product it describes are considered protected by copyright
according to the applicable laws.
NOKIA logo is a registered trademark of Nokia Corporation.
Other product names mentioned in this documentation may be trademarks of their respective
companies, and they are mentioned for identification purposes only.
Copyright © Nokia Corporation 2002. All rights reserved.
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0523
FCC
Hereby, Nokia Corporation, declares that this product is in compliance with the
essential requirements and other relevant provisions of Directive: 1999/5/EC.
The product is marked with the CE marking and Notified Body number according to the
Directive 1999/5/EC
FCC §15.21 - Information to user - This product is used as an intentional radiated
equipment and any changes or modifications on the equipment without any approval
by Nokia could void the user's authority to operate the equipment.
FCC §15.105 - Information to user - 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:
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•
Reorient or relocate the receiving antenna.
•
Increase the separation 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.
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Requirements for Installation and Operation
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Contents
Contents 5
List of tables 6
List of figures 7
About this document 11
2.1
2.1.1
2.1.2
2.1.3
2.2
2.2.1
2.2.2
2.2.3
2.3
2.3.1
2.3.2
2.3.3
2.3.4
2.3.5
2.3.6
2.3.7
Environment 13
Storage 13
International standard for storage 13
Climatic conditions for storage 13
Mechanical conditions for storage 14
Transportation 15
International standard for transportation 15
Climatic conditions for transportation 15
Mechanical conditions for transportation 17
Operation 17
International standard for operation 17
Climatic conditions for operation 17
Mechanical conditions for operation 19
Ingress protection 19
Acoustic noise 19
EMC shielding 19
Safety 19
3.1
3.2
3.2.1
3.2.2
3.3
3.4
3.5
3.6
3.6.1
3.6.2
3.6.3
3.7
Installation requirements 21
Checking the site 21
Space requirements 21
Nokia MetroSite Base Station dimensions and weight 22
Clearances around BTS 22
Mounting locations and positions 24
Requirements for wall and pole installation 26
Grounding 27
Mains power 28
Power consumption 28
Acoustic sound power 30
Connectors, cables, and fuses for cable protection 31
Painting the BTS cover 32
4.1
Cabinet interfaces and cables 37
Cable entry block 38
Installation equipment 41
Index 43
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Requirements for Installation and Operation
List of tables
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Table 1.
Permitted climatic conditions for storage
Table 2.
Climatic conditions for transportation
Table 3.
Climatic conditions for operation (class 4.1, extended)
Table 4.
Wind loads and pole strength requirements
Table 5.
Permitted operating voltage fluctuation
Table 6.
Connectors, cables and recommended fuses
Table 7.
MetroSite BTS connectors
Table 8.
Transmission connectors of the Nokia MetroSite EDGE Base Station
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18
26
28
32
37
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List of figures
Figure 1.
Dimensions of the Nokia MetroSite EDGE Base Station cabinet 22
Figure 2.
Clearances around Nokia MetroSite EDGE Base Station 23
Figure 3.
Mounting of the Nokia MetroSite EDGE Base Station 25
Figure 4.
Power consumption of the Nokia MetroSite EDGE Base Station 29
Figure 5.
Range of acoustic sound power generated by Nokia MetroSite EDGE
Base Station 30
Figure 6.
Removing the top of the BTS cover 33
Figure 7.
Areas used for holding the cable cover parts during painting 34
Figure 8.
Cable entry block: cable diameters
Figure 9.
Recommended tools for installing the BTS 41
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Summary of changes
Version 1-0, 12th November 1999.
Version 2-0, 22nd June 2000:
•
Added GSM to the title and body text
•
Added CE marking
•
Added acoustic noise for 5W TRX BTS in Chapters 2.3.5, 3.6.2 and in
Figure 5
•
Increased cabinet length to 870 mm in Figures 1 and 2
•
Added horizontal mounting note in Chapter 3.3 and edited Figure 3
•
Corrected ground resistance figure in Chapter 3.5
•
Added note on dark colours in Chapter 3.7
Version 3-0, 17th May 2001:
•
Updated for EDGE
Version 3-1, July 2002
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•
ETS 300 019 1-2:1992 class 2.2 upgraded to class 2.3 following vibration
test results
•
Note added about horizontal mounting not being suitable for BTSs with the
WCUA cover
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About this document
About this document
This document introduces the requirements set by the Nokia MetroSite EDGE
Base Station for successful installation and operation. Use this document as the
source for the following information needed in the planning of an installation:
•
specification on the environmental conditions during transportation,
storage and operation
•
space requirements and other site-related installation matters
•
site grounding and power supply to the BTS
•
interface connections
•
installation tools
Read also Nokia MetroSite EDGE Base Station: Warnings and Cautions in
conjunction with this document.
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Requirements for Installation and Operation
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Environment
Environment
This chapter defines the classes of environmental conditions and the severities to
which the Nokia MetroSite EDGE Base Station can be exposed. The information
is organised into the conditions for: storage, transportation, and operation.
2.1
Storage
This section defines the environmental conditions to which the Nokia MetroSite
EDGE Base Station can be exposed to during storage.
Caution
The Nokia MetroSite EDGE Base Station must be stored in its original package
before the installation.
2.1.1
International standard for storage
According to the standard ETS 300 019-1-1:1992, the storage class for the Nokia
MetroSite EDGE Base Station is class 1.2: weather-protected, partly temperaturecontrolled storage locations.
2.1.2
Climatic conditions for storage
The possible climatic conditions under which the Nokia MetroSite EDGE Base
Station can be stored are presented in Table 1 (according to ETS 300 019-11:1992).
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Requirements for Installation and Operation
Table 1.
Permitted climatic conditions for storage
Environmental parameter
Value
Low air temperature
- 25°C
- 13°F
High air temperature
+ 55°C
+ 131°F
Low relative humidity
10%
High relative humidity
100%
Low absolute humidity
0.5 g/m3
High absolute humidity
29 g/m3
Rain intensity
none
Temperature change rate (average of 5
minutes)
0.5°C/min
Low air pressure
0.9°F/min
70 kPa
10.15 psi
High air pressure
106 kPa
15.37 psi
Solar radiation
1120 W/m2
Surrounding air movement
30 m/s
98 ft/s
2.1.3
Conditions of condensation
yes
Conditions of precipitation (rain, snow, hail,
etc.)
yes
Low rain temperature
none
Conditions of water from sources other than
rain
dripping water
Conditions of icing and frosting
yes
Mechanical conditions for storage
The Nokia MetroSite EDGE Base Station complies with the standard ETS 300
019-1-1:1992 class 1.2.
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Environment
2.2
Transportation
This section defines the environmental conditions to which the Nokia MetroSite
EDGE Base Station can be exposed during transportation.
Caution
The Nokia MetroSite EDGE Base Station must be transported in its original
package to the installation site.
Note
The Nokia MetroSite EDGE Base Station is delivered to the customer with the
ordered plug-in units pre-installed.
2.2.1
International standard for transportation
According to the standard ETS 300 019-1-2:1992, the class for the Nokia
MetroSite EDGE Base Station equipment is class 2.3. This class applies to
transportation situations where special care is taken, such as special care with
respect to handling in low temperatures.
Note
The typical transportation time is considered to be 30 days or less. When the total
transportation time exceeds 30 days, additional storage or packaging precautions
must be considered.
2.2.2
Climatic conditions for transportation
The climatic conditions permitted during the transportation are presented in Table
2 (according to ETS 300 019-1-2:1992).
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Requirements for Installation and Operation
Table 2.
Climatic conditions for transportation
Environmental parameter
Value
Low air temperature
-25°C
-13°F
High temperature, air in unventilated enclosures
+ 70°C
+ 158°F
High temperature, air in ventilated enclosures or
outdoor air
Temperature change air/air
+ 40°C
+ 104°F
-24°C / +30°C
-11°F / +86°F
Temperature change air/water
+40°C / +5°C
+104°F / +41°F
Relative humidity, not combined with rapid
temperature changes
Relative humidity, combined with rapid temperature
changes air/air, at high relative humidity
95% +40°C
95% 104°F
95% -25°C / +30°C
95% -13°F / +86°F
Absolute humidity, combined with rapid temperature
changes air/air, at high water content
60 g/m3 +70°C / +15°C
Low air pressure
70 kPa
60 g/m3 +158°F / +59°F
10.15 psi
Change of air pressure
none
Surrounding air movement
20 m/s
65.6 ft/s
Precipitation, rain
6 mm/min
0.24 in/min
Radiation, solar
1120 W/m2
Radiation, heat
600 W/m2
Water from sources other than rain
1 m/s
3.28 ft/s
Wetness
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Environment
2.2.3
Mechanical conditions for transportation
In respect to mechanical conditions during transportation, the Nokia MetroSite
EDGE Base Station complies with ETS 300 019 1-2:1992 class 2.3.
2.3
Operation
This section defines the environmental conditions which are possible during the
operation of the Nokia MetroSite EDGE Base Station at locations which are not
protected from direct weather influences.
Note
When surveying the prospective sites, consider the values presented in this
section.
Operating conditions are defined as stationary: the equipment is mounted on a
structure or mounting device, or it is permanently placed at a site. The Nokia
MetroSite EDGE Base Station is not intended for portable use.
2.3.1
International standard for operation
According to the standard ETS 300 019-1-4:1992, the class for Nokia MetroSite
EDGE Base Station equipment is class 4.1.
2.3.2
Climatic conditions for operation
In respect to climatic conditions during operation, the Nokia MetroSite EDGE
Base Station complies principally with class 4.1, as presented in Table 3.
However, for the temperature and humidity values, the table presents extended
operational climatic conditions, which differ from class 4.1. The weather
shielding of the Nokia MetroSite EDGE Base Station is valid when the BTS is
mounted in the recommended positions.
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Requirements for Installation and Operation
Table 3.
Climatic conditions for operation (class 4.1, extended)
Environmental
parameter
Low air temperature
Class 4.1 value
Extended value for Nokia
MetroSite EDGE Base
Station
-33°C
-40°C
-27°F
-40°F
+40°C
+50°C
+104°F
+122°F
Low relative humidity
15%
High relative humidity
100%
Low absolute humidity
0.26 g/m3
0.03 g/m3
High absolute humidity
25 g/m3
36 g/m3
Rain intensity
6 mm/min
High air temperature
0.24 in./min
Temperature change rate
(average of 5 minutes)
0.5 °C/min
Low air pressure
70 kPa
0.9 °F/min
10.15 psi
High air pressure
106 kPa
15.37 psi
Solar radiation
1120 W/m2
Heat radiation
insignificant
Surrounding air movement
50 m/s
164 ft/s
Conditions of
condensation
yes
Conditions of precipitation
(rain, snow, hail etc.)
yes
Low rain temperature
+5°C
+41°F
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Conditions of water from
sources other than rain
splashing water
Conditions of icing and
frosting
yes
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Environment
2.3.3
Mechanical conditions for operation
In respect to mechanical conditions during operation, the Nokia MetroSite EDGE
Base Station complies with ETS 300 019-1-4:1992 class 4.1.
2.3.4
Ingress protection
The electronic components inside the units of the Nokia MetroSite EDGE Base
Station are protected against the ingress of rain, snow and dust to the minimum
level of IP55 of European standard EN 60529, and level 3R of UL standard 50.
2.3.5
Acoustic noise
The maximum acoustic noise generated by the Nokia MetroSite EDGE Base
Station is 61 dBA. The acoustic noise is measured according to ISO 3744. The
noise type is sound power.
2.3.6
EMC shielding
The chassis and the units of the Nokia MetroSite EDGE Base Station together
provide the electromagnetic compatibility (EMC) shielding. The EMC shielding
complies with the standards listed in Nokia MetroSite EDGE Base Station:
Product Description.
2.3.7
Safety
The MetroSite BTS cabinet fulfils the relevant safety requirements: EN 60215,
EN 60950 and UL 1950.
For more specific information refer to Nokia MetroSite EDGE Base Station:
Product Description.
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Installation requirements
Installation requirements
This chapter specifies the preparatory requirements for the installation of the
Nokia MetroSite EDGE Base Station.
3.1
Checking the site
The cabinet installation phase requires that the site is properly surveyed and
prepared, and that all the required external services are correctly installed. The
site survey must identify any special requirements for the installation.
The site must meet the following requirements before an installation can be
started:
3.2
1.
The site is accessible and safe for working.
2.
The safety distance calculations presented in Nokia MetroSite EDGE Base
Station: Warnings and Cautions are being applied.
3.
When radio link transmission is used, the rule for line-of-sight to the far
end radios is being applied.
4.
The external connections for the cabinet are in place: a site grounding
point, mains power (AC or DC, according to the site) with an appropriate
disconnect device, and a transmission connection point.
5.
All required documentation is available. For example, site-specific
installation instructions.
6.
The correct BTS delivery package and accessories have been brought to the
site. Refer to Nokia MetroSite EDGE Base Station: Installation for details.
Space requirements
The Nokia MetroSite EDGE Base Station can be mounted on a wall or pole. This
section presents the general issues that must be considered when choosing the
installation space.
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Requirements for Installation and Operation
3.2.1
Nokia MetroSite Base Station dimensions and weight
Figure 1 presents the external dimensions of the Nokia MetroSite EDGE Base
Station.
870 mm
(34.25 in)
114 mm
(4.49 in)
310 mm
(12.20 in)
Figure 1.
215 mm
(8.46 in)
Dimensions of the Nokia MetroSite EDGE Base Station cabinet
The Nokia MetroSite EDGE Base Station with four TRXs installed weighs
approximately 40 kg (88.4 lb). The mounting rack weighs approximately 2 kg
(4.4 lb). The dimensions and weights of the plug-in units can be found in Nokia
MetroSite EDGE Base Station: Product Description.
3.2.2
Clearances around BTS
The required clearances around the Nokia MetroSite EDGE Base Station are
shown in Figure 2.
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Installation requirements
Min
50 (2.0)
260
(10.2)
260
(10.2)
245 (9.65)
NOTE: DIMENSIONS mm (inch)
Top view
260
(10.2)
235 (9.3)
235 (9.3)
235 (9.3)
100 (3.94)
100 (3.94)
100 (3.94)
300 (11.9)
300 (11.9)
480 (18.9)
1270mm (50 in)
870mm (34,25 in)
Front view
300 (11.9)
310 (12.2)
Figure 2.
Clearances around Nokia MetroSite EDGE Base Station
The packing cardboard in the BTS transportation package includes a marked-out
template for defining the clearances around the BTS and for marking the drilling
holes needed for wall mounting. Use the template for defining how much space
is required:
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Requirements for Installation and Operation
•
to remove units from the BTS when it is installed on a wall or pole
•
to remove and replace the cover when the BTS is installed on a wall or a
pole
•
for cables and for cooling under the BTS
Refer to wall mounting instructions in Nokia MetroSite EDGE Base Station:
Installation for more information on using the cardboard template.
3.3
Mounting locations and positions
The Nokia MetroSite EDGE Base Station can be mounted on a wall or on a pole.
Both indoor and outdoor applications are possible. The Nokia MetroSite EDGE
Base Station can also be mounted horizontally in the position shown in Figure 3,
item B. No other horizontal positions are permitted.
The space in which the Nokia MetroSite EDGE Base Station is located must have
proper ventilation.
Note
Horizontal mounting is not recommended for all site conditions. Nokia MetroSite
EDGE BTSs fitted with the WCUA type cover are not suitable for horizonatal
mounting. Contact your Nokia representative for more information.
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Installation requirements
Incline by 2 - 3
A) Vertical mounting
º
B) Horizontal mounting
Figure 3.
Mounting of the Nokia MetroSite EDGE Base Station
Note
If there is a risk that lumps of snow or pieces of ice can fall onto the BTS (from
the antenna or microwave radio pole, for example), an effective roof must be
mounted to shield the BTS.
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Requirements for Installation and Operation
3.4
Requirements for wall and pole installation
The installation wall or pole must be inspected by qualified personnel before
mounting the BTS. This is to ensure that the mounting is strong enough to bear
the weight of the BTS (maximum 40 kg / 88.2 lb) in its operating environment.
Pole mounting kit
An optional pole mounting kit is required for pole installations. This kit is ordered
separately if required. The pole diameter can be between 60 and 300 mm (2.36
and 11.81 in.). Refer to Nokia MetroSite EDGE Base Station: Installation for
detailed information on pole mounting of the BTS.
Anchor screws
Anchor screws are used for attaching the Nokia MetroSite EDGE Base Station to
the wall. These screws are not included in the delivery.
The anchor screws must be M6 size, stainless steel, and with the minimum
breaking strength (Rm) of 800 N/mm2. An appropriate mounting counterpart for
the anchor screw (such as an anchor plug) must be selected according to the screw
and the mounting base material. If the anchor screws are of a type other than
metric, they must be selected to meet the strength requirements mentioned above.
Wind load
For pole mounting, a pole strong enough to withstand stormy conditions must be
selected. Table 4 shows the loads imposed on the pole (with a BTS attached to it)
for two possible wind velocities.
Table 4.
Wind loads and pole strength requirements
Wind velocity
Load imposed on
the pole
40 m/s
410 N
89 mph
50 m/s
640 N
112 mph
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Installation requirements
3.5
Grounding
To protect the Nokia MetroSite EDGE Base Station from damaging over voltages
through antenna equipment, communication cables, or power supply lines,
grounding cabling must be planned and installed before installation of the base
station. To avoid interference, it is recommended that large grounding systems be
designed case-specifically.
A electrical plug with a ground connection is not sufficient for the Nokia
MetroSite EDGE Base Station. Grounding must have a fixed, non-removable
connection.
Note
Regulations issued by local authorities must be followed when planning the
grounding of a BTS site!
In general, grounding is planned according to the following requirements:
•
The grounding cable is connected to the grounding point inside the BTS
cabinet.
All Nokia MetroSite EDGE Base Stations are equipped with two
grounding point alternatives: a cable clamp location and a grounding stud.
Selection is made in accordance with local regulations.
•
The minimum cross-section of the grounding cable’s copper (Cu)
conductor is 16 mm2 (5 AWG) in outdoor installations. In indoor
installations, the minimum cross-section of the copper conductor is 2.5
mm2 (12 AWG).
•
The maximum cross-section of the grounding cable’s copper conductor is
35 mm2 (2 AWG).
•
The maximum value for ground resistance is 10 mΩ.
•
The grounding cable must be connected to a main grounding bus bar.
•
The routing of the grounding cable must be as direct as possible.
Unnecessary loops should be avoided.
•
The external antenna feeders must also be grounded if the antennas are
exposed to the risk of lightning.
Note
A grounding cable can be ordered from Nokia.
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Requirements for Installation and Operation
3.6
Mains power
WARNING
The power switch on the power supply unit (PSU) of the Nokia MetroSite
EDGE Base Station does not disconnect it from the power network (AC or
DC), but leaves it in a stand-by mode. The switch has two positions: ON and
stand-by. A separate main switch on the site is considered to be the
disconnect device for safety and service purposes.
Follow the national legislation when working with the power supply. The
Nokia MetroSite EDGE Base Station must be permanently wired to a
disconnect device (such as a circuit breaker) in accordance with your current
local and national wiring standards.
All ground connections must be secure and non-removable.
All power cabling must meet the requirements of the appropriate national
standard.
The Nokia MetroSite EDGE Base Station has four power supply options: 230
VAC, 110 VAC, -48 VDC and +24 VDC. The permitted voltage fluctuation for
the different options is presented in Table 5.
Table 5.
Permitted operating voltage fluctuation
Nominal operating
voltage
Permitted operating
voltage fluctuation
230 VAC
±20%
110 VAC
±20%
-48 VDC
+50%, -25%
+24 VDC
±20%
It is recommended that the AC mains be protected with a lightning and transient
overvoltage protector (mains wire-in protector). This protection is not included in
the Nokia MetroSite EDGE Base Station.
3.6.1
Power consumption
The power consumption of the Nokia MetroSite EDGE Base Station is dependent
on the following factors:
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Installation requirements
•
BTS configuration
•
ambient temperature
•
direction of the temperature change
The power consumption is higher when the ambient temperature is decreasing
and the heating power of the BTS is increasing. When the ambient temperature
rises, the heating power reduces. Consequently, the power consumption of the
Nokia MetroSite EDGE Base Station at a given temperature varies according to
the direction of temperature change. Figure 4 presents the power consumption
values at different ambient temperatures for three BTS configurations.
Power/W
700
4 x 5W GSM/EDGE TRXs + 2 Flexihoppers
600
500
400
300
-40
-30
-20
-10
+10
+20
+30
+40
Temperature C
-40
-22
-4
+14
+32
+50
+68
+86
+104
Temperature F
Ambient temperature rising
Ambient temperature falling
Figure 4.
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Power consumption of the Nokia MetroSite EDGE Base Station
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Requirements for Installation and Operation
3.6.2
Acoustic sound power
The fan unit of the Nokia MetroSite EDGE Base Station generates acoustic noise.
The level of acoustic sound power is dependent on the following factors:
•
ambient temperature
•
rate of the temperature change
•
output power
The acoustic sound power level is higher when the ambient temperature is
changing rapidly. See Figure 5 for the range of acoustic sound power levels at
different ambient temperatures.
Acoustic sound power
dB(A)
60
5W TRX
55
50
45
40
35
Fan off
30
25
TAmb
-50
-58
-40
-40
-30
-22
Figure 5.
30 (44)
-20 -10
0 +10 +20 +30 +40 +50 +60
+32
+50 +68 +86 +104 +122 +140
-4 +14
Range of acoustic sound power generated by Nokia MetroSite
EDGE Base Station
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Installation requirements
3.6.3
Connectors, cables, and fuses for cable protection
Note
Prefabricated mains power cables can be ordered from Nokia.
Note
If you use the prefabricated mains power cable supplied by Nokia, make sure that
the power distribution box (mains power supply) is located no further than 10
metres from the BTS’s power supply unit.
Table 6 presents the requirements for power supply cables and the recommended
mains fuses.
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Requirements for Installation and Operation
Table 6.
Connectors, cables and recommended fuses
Power
supply
type
Connector
type at the
end of cable
AC supply
230 V
IEC 320
(female)
Recommended
fuse for cable
protection
Cable
Multicore cable 3 x 0.75 to
1.5 mm
(18 /2 to 15 /2
AWG)
10A for 1.5 mm2 (151/2
AWG)
6A for 0.75 mm2 (181/2
AWG)
AC supply
110 V
IEC 320
(female) with
notch
Multicore cable 3 x 1.5
DC supply 48 V
Anderson
Power Pole
Multicore cable 3 x 2.5
mm2
(151/2
AWG)
mm or 3 single wires 2.5
to 4.0 mm2 (13 to 11
AWG)
DC supply
+24 V
Anderson
Power Pole
10 A
Multicore cable 3 x 2.5
mm2 or 3 single wires 2.5
to 4.0 mm2 (13 to 11
AWG)
No recommendation,
refer to local
regulations
No recommendation,
refer to local
regulations
Note
In general, the fuses for cable protection must be rated according to the national
electrical safety regulations.
For information on the pin configurations for the different BTS power supply
connector types, refer to Nokia MetroSite EDGE Base Station: Product
Description.
3.7
Painting the BTS cover
If desired, the BTS cover can be painted to blend into the surrounding
environment, although some dark colours with high absorptivity may be
restricted because of heat retention.
For painting the cover, Nokia recommends a primer-topcoat combination of
Beckers TD 130 primer and Beckers TH 141 surface paint. Other paints suitable
for polycarbonate surfaces may also be used.
32 (44)
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Installation requirements
Caution
Do not use any paints that contains alkalis, esters, ketones, or aromatic,
chlorinated, or fluorinated hydrocarbons. These chemicals may damage the cover
and paint containing them can only be used if approved by the manufacturer for
painting polycarbonate objects.
The selected paint must be UV and weather resistant, and suitable for
temperatures ranging from -40°C to +50°C (-40°F to 122°F). For environmental
conditions, refer to ETS 300 019-1-4:1992 class 4.1.
Painting the BTS cover
1.
Remove the BTS cover as instructed in Nokia MetroSite EDGE Base
Station: Maintenance.
2.
Before painting, detach the cable cover and remove the cable cover
support. The cover top can also be detached from the cover by unscrewing
the Torx T20 screws (see Figure 6).
Figure 6.
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Removing the top of the BTS cover
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Nokia Proprietary and Confidential
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Requirements for Installation and Operation
3.
Remove any stains and dust from the surface of the cover with an alcoholic
or acidic wash, or with water and a mild washing agent. Do not use washing
agents that contain alkalis, esters, ketones, or aromatic, chlorinated, or
fluorinated hydrocarbons.
4.
Rinse with water to remove any residue of cleaning chemicals.
5.
Dry the cover parts by blowing ionized air on them to remove electrostatic
charges and dust particles.
6.
Place a support under the cover and the cover top so that you do not have
to touch the parts during painting.
7.
Use a clamp or hook for holding the cable cover and the cable cover
support during painting. See Figure 7 for areas on which to place the clamp.
Figure 7.
34 (44)
Areas used for holding the cable cover parts during painting
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Installation requirements
8.
Spray paint over the outside surface of the cover. Spraying should be done
at room temperature with relative air humidity of 50-65%.
Note
The maximum thickness of the paint should not exceed 100 µm.
9.
Dry the parts either in an oven or let the paint dry at room temperature
according to the paint manufacturer’s drying instructions.
Note
The temperature of the drying oven must not exceed 90°C (194°F).
10.
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When the paint is dry, attach the cover top to the cover. Tighten the screws
to 1.6 Nm (1.18 lb ft).
© Nokia Corporation
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Requirements for Installation and Operation
36 (44)
© Nokia Corporation
Nokia Proprietary and Confidential
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Cabinet interfaces and cables
Cabinet interfaces and cables
This chapter describes the external interfaces and interconnecting cables
(excluding the grounding and power supply cables) for the Nokia MetroSite
EDGE Base Station. For information on the pin configurations of the relevant
connectors, refer to Nokia MetroSite EDGE Base Station: Product Description.
Note
Antenna line cables, the LMP cable, Abis cables and Flexbus cables can be
ordered from Nokia.
The MetroSite BTS interface connectors and cables are described in Tables 7 and
8.
Table 7.
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MetroSite BTS connectors
Interface
connector
Number of
connectors
Connector
type
Cable type/diameter
Antenna
connector
1 for each TRX
N-type
1/4” or 3/8” RF cable
External
Alarms and
Controls
1 (10 alarm
inputs, 4 control
outputs)
26-pin mini D
(female)
13-pair 28 AWG, 106 Ω
Flexible SCSI-2 Cable type
CL2/FT1
Extension
connectors
50-pin mini D
(female)
N/A
Q1 interface
TQ
2-pair telecom cable, max. 6
mm
Local
Management
Port
BQ, RS- 232 (at
the BTS end)
2-pair telecom cable. For
more information, refer to
Nokia MetroSite EDGE Base
Station: Commissioning.
© Nokia Corporation
Nokia Proprietary and Confidential
D9 female (at
the PC end)
Draft
37 (44)
Requirements for Installation and Operation
Table 8.
Transmission connectors of the Nokia MetroSite EDGE Base
Station
Transmission
unit type
Number of
connectors
FC E1/T1
FXC RRI
Connector type
Cable
Two coaxial BT43
connectors (75 Ω)
Coaxial for 75 Ω
connector
one balanced TQ
connector (100/120
Ω)
twisted pair for 100/120 Ω
connector.
TNC 50 Ω
Coaxial Flexbus RG-223
(max. length 140 m),
coaxial Flexbus RG-214
(max. length 300 m).
Max. allowed attenuation
for E1 20 dB; for T1 26 dB
For more information,
refer to Nokia MetroSite
EDGE Base Station:
Product Description.
FXC E1 75 Ω
FXC E1/T1
120/100 Ω
version
4.1
Coaxial BT43
connectors
Coaxial
Balanced TQ
connectors
Twisted pair
Max. allowed attenuation
20 dB
Max. allowed attenuation
for E1 20 dB, for T1 26 dB
Cable entry block
The size of the cable entry holes must be considered when planning the cabling
of the Nokia MetroSite EDGE Base Station. The holes can accommodate various
cable diameters, as shown in Figure 8.
38 (44)
© Nokia Corporation
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Cabinet interfaces and cables
7-10 (.28-.39), 2 pcs
Extension cables
8-12.5 (.31-.49), 4 pcs
Antenna feeders
10-15 (.39-.59), 1 pc
Power supply cable
4.5-7 (.18-.28), 14 pcs
- Grounding cable, 1 pc
- Transmission cables, max 8 pcs
- External alarms and controls
Figure 8.
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NOTE: DIMENSIONS mm (inch)
Cable entry block: cable diameters
© Nokia Corporation
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Requirements for Installation and Operation
40 (44)
© Nokia Corporation
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Installation equipment
Installation equipment
This section specifies the equipment that is recommended for the installation of
the Nokia MetroSite EDGE Base Station. This equipment is not included in the
BTS delivery.
Torque driver (0-6 Nm/0-5 ft-lb) with:
- T10 Torx bit with min. 60 mm shaft
for unit retaining screws
(1.5 Nm/1.11 ft-lb)
- 4 mm Allen bit with min. 60 mm shaft:
A) for BTS fixing screws
(5.5 Nm/4.06 ft-lb)
B) for fixing cable entry
block screws
C) for fixing grounding cable
(5.5 Nm/4.06 ft-lb)
Torque socket spanner/wrench
(5-20 Nm/3-14 ft-lb) with:
- 6 mm Allen bit
A) for bolts of pole bracket
version 1 (12 Nm/8.85 ft-lb)
B) with 80 mm extension for L-beam
offset screws (12 Nm/8.85 ft-lb)
- 8 mm hexagon socket with
min. 80 mm extension
A) for worm screw on pole bracket
version 2 (10 Nm/7.37 ft-lb)
B) for fixing the grounding nut
(5.5 Nm/4.06 ft-lb)
Torque key
- for diversity cables (1 Nm/.74 ft-lb)
Side-cutting pliers
- for cutting the cable ties
Figure 9.
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Recommended tools for installing the BTS
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Requirements for Installation and Operation
Additional equipment includes:
•
LMP cable for connecting the manager PC to the BTS
•
antistatic wrist strap
•
spirit level for checking the horizontal level of the BTS
•
tape measure
•
cable ties for securing the cable routing out of the BTS
•
crimping tool for fitting a crimp terminal to the grounding cable
Note
A set of tools needed for assembling the cable connectors is available from Nokia.
42 (44)
•
cable stripper for preparing the grounding cable
•
ladder (depending on the installation height from the ground)
•
10 mm spanner for removing the grounding bridge on the transmission unit
(optional)
•
T20 Torx torque driver for removing and tightening the BTS cover top
retaining screws (optional)
•
centre punch for marking drill hole locations when mounting the BTS on a
wall (optional)
© Nokia Corporation
Nokia Proprietary and Confidential
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Index
acoustic noise
19,
installation equipment 41
installation space 21
interface connectors 37
30
cable diameters 37, 39
cable protection 31
cables
antenna feeders 38
extension 38
external alarms and controls
grounding 38
power supply 38
transmission 38
types 37
checking the site 21
clearances 22
connector types 37
mains power 28
mounting
locations 24
positions 24
requirements for
38
26
operation
climatic conditions 17
international standard for 17
mechanical conditions 19
safety requirements for 19
diameters, cables
dimensions
BTS 22
37,
39
packing cardboard 24
painting the BTS cover 33
power consumption 28
power supply options 28
electromagnetic compatibility (EMC) shielding
environmental conditions
operation 17
storage 13
transportation 15
equipment for installation 41
19
fuses
31
grounding 27
grounding cable 27
grounding conductor 27
grounding points 27
ingress protection 19
installation
requirements for 21
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©Nokia Corporation
Nokia Proprietary and Confidential
requirements for installation
21
site survey 21
space requirements 21
stand-by mode 28
storage
climatic conditions 13
international standard for 13
mechanical conditions 14
The cable entry block is made of a flexible
material.cable entry block 38
tools 41
transportation
climatic conditions 15
international standard for 15
mechanical conditions 17
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Requirements for Installation and Operation
ventilation
24
weight
BTS 22
mounting rack
44 (44)
22
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