Describes product installation and requirement procedure.
Document Version 1.0
January 2017
Document Number: -
This manual should be read and used as a guideline for properly installing and/or operating the
product. Owing to product variations across the range, any illustrations and photographs used in
this manual may not be a wholly accurate depiction of the actual products you are using.
This manual may be changed for system improvement, standardization and other technical
reasons without prior notice.
Samsung Networks documentation is available at http://www.samsungdocs.com
system, or transmitted, in any form or by any means whether, electronic, mechanical, or otherwise
without the prior written permission of SAMSUNG Electronics Co., Ltd.
No warranty of accuracy is given concerning the contents of the information contained in this
publication. To the extent permitted by law no liability (including liability to any person by reason of
negligence) will be accepted by SAMSUNG Electronics Co., Ltd., its subsidiaries or employees for
any direct or indirect loss or damage caused by omissions from or inaccuracies in this document.
SAMSUNG Electronics Co., Ltd. reserves the right to change details in this publication without notice.
SNMTC-v3-0312
Contents
Preface viii
Relevance ...................................................................... 오류! 책갈피가 정의되어 있지 않습니다.
Conventions in this Document ....................................................................................................... viii
New and Changed Information ....................................................................................................... ix
Revision History ............................................................................................................................... ix
Organization of This Document ...................................................................................................... ix
Personal and Product Safety ........................................................................................................... ix
Chapter 1Before Installation 1
System Configuration and Interface ................................................................................................ 1
Figure 3. Procedure to Install the RRU ............................................................................................................ 9
Figure 4. RRU_Wall Type Standard Installation ............................................................................................ 10
Figure 5. RRU Arrangement_Pole Type Installation ...................................................................................... 11
Figure 6. Using a Handle to transport an RRU .............................................................................................. 13
Figure 7. Unit Bracket Fixing Type ................................................................................................................. 14
Figure 8. Unit Bracket Fixing (Standard Installation) ................................................................................. 15
Figure 9. Unit Bracket Fixing (Side Installation) ......................................................................................... 16
Figure 10. Assembling the Mounting Bracket_Pole Type(1) ........................................................................... 17
Figure 11. Assembling the Mounting Bracket_Pole Type(2) ........................................................................... 18
Table 3. Parts a Tools for fixing Unit Bracket (Standard Installation)....................................................... 15
Table 4. Parts a Tools for fixing Unit Bracket (Side Installation) .............................................................. 16
Table 5. Parts a Tools for fixing Pole Mounting Bracket .............................................................................. 17
Table 6. Parts a Tools for fixing Pole Mounting Bracket Assembly_Pole Type ............................................ 21
Table 7. Leveling Using a Level .................................................................................................................... 22
Table 8. Parts a Tools for fixing RRU_Pole Type (Standard Installation)...................................................... 24
Table 9. Parts a Tools for fixing RRU_Pole Type (Side Installation) ............................................................. 26
Table 10. Tools for Marking ........................................................................................................................... 28
Table 11. Parts and Tools for Drilling & Fixing Anchor ................................................................................... 31
This chapter introduces RRU and describes items should be
understood before installation.
Chapter 2
Installing System
This chapter describes the procedures to install the RRU.
Chapter 3
Connecting Cables
This chapter describes the procedures to connect the cables
to the RRU installed.
Chapter 4
Inspect the Installation
This chapter describes the procedures of inspecting
installation status after RRU installation and cabling is
completed.
Appendix A
Acronyms
This annex describes the acronyms used in this manual.
Appendix B
Clean the Optical
Connectors
This annex describes the procedure of cleaning the optical
connector and cleaning tool.
Appendix C
Standard Torque
This annex describes the standard torque when fastening the
bolt.
New and Changed Information
This section describes information that has been changed since the previous
publication of this manual.
The product name was corrected.
Revision History
The following table lists all versions of this document.
Organization of This Document
Personal and Product Safety
This product safety information includes European directives, which you must
follow. If these do not apply in your country, please follow similar directives that
do apply in your country.
Electrical
All structural parts are grounded and all input and outputs have built-in isolation
from the network. All input and output ports that connect to external power
sources are designed to meet relevant national safety requirements.
The product contains hazardous energy levels as defined by UL 60950. Care must
be taken when maintaining this equipment as injury to personnel or damage to the
equipment could result from mistakes. Maintenance should only be carried out by
trained and competent engineers who are familiar with the relevant procedures and
instructions.
Lasers
The product is fitted with optic modules rated as Class 1 radiation-emitting devices
under IEC 60825-1.
Manual Handling
Care should be taken when handling equipment. Give due consideration to the
weight of the equipment, the physical capability of the individual(s) handling the
equipment, and movements such as twisting, bending and stooping, which could
lead to skeletal and muscular injuries.
Installation
Installation must be carried out by trained and competent engineers only. All
relevant safety measures must be taken to ensure equipment is not connected to
live power and transmission sources during installation. Equipment must be
correctly installed in order to meet the relevant safety standards and approval
conditions.
The cable between the power distribution point and the installed equipment must
have a cross-sectional area of 1.5 mm2.
Maintenance
Maintenance must only be carried out by a suitably trained and competent
technician. All safety instructions must be carefully observed at all times.
Equipment covers should not be removed while live power and transmission is
connected unless in a controlled environment by trained technicians.
Environment
The product must be operated in an environment within the specified relative
humidity and ambient temperature ranges.
Grounding
To comply with UL 60950, the equipment must be connected to a safety
grounding point via a permanent connection. Grounding points are located on the
product for this purpose. Always connect the ground cable before fitting other
cables. The product must remain grounded continuously unless all connections to
the power supply and data network are all removed.
DC : ± 20kA (Line to Line, Line to PE)
RET : ± 3kA (All core to PE)
ANT : ± 20kA (Core to PE)
ESD
Contact Discharge : ± 8kV
Air Discharge : ± 15kV
Safety
UL 60950-1 2nd Ed.
RF
FCC Title 47 CFR Part 90
Health
OET Bulletin 65
The table below lists the main specifications of the RFD01F-26A.
Table 1. Specifications
Chapter 1 Before Installation
40 W × 2 T (2 sector mode: 40 W x (2T2R + 2T2R))
Cautions for Installation
Observe the following safety instructions when installing the system:
Installation shall be in accordance with the applicable local electric codes.
The equipment shall be located in restricted access locations.
Post warning signs in areas where high-voltage cables are installed.
Post ‘off limit’ signs in areas where accidents are most expected.
With guardrails or fences, block open areas such as connecting parts, roof, and
scaffold.
While Installing
The system power must be cut off before installing.
Be careful not to damage or scratch the boards mounted on the system and the
cables among the boards when the system is transported or installed.
Make sure the power switch of power supply is off when installing the system.
Installing the system with power switch on may cause system damage or fatal
human injury when cables are not correctly connected.
Make sure that worker wears protection gloves and goggles to prevent damage
from debris while drilling holes in a wall or ceiling.
Do not wear accessories such as watches and rings in order to prevent electrical
shock.
Never allow foreign substances to be inserted into unused ports by covering them
with a waterproof cap.
To prevent foreign substances, outdoor air and moisture from entering the cable inlet
(including cable gland and conduit), finish it as follows:
- Unused inlet
Use the hole finishing materials including dust cap and rubber packing.
- Cable-installed inlet
After cable installation, block any space in the inlet with tape, compressed
sponge, rubber packing, and silicon.
Apply a torque range
: 10~50 lbf.in.(30~150 kgf·cm)
For fastening M6 Hex. Bolt
Apply a torque range
: 100~400 lbf·in (100~500 kgf·cm)
For fastening M10 Hex. Bolt/Nut
For fastening DIN Type
Connector
5
Adjustable Torque Wrench
Apply a torque range
: 10~50 lbf.in.(30~150 kgf·cm)
For fastening Optic Cable
Adapter
6
Torque Wrench Spanner Head
Hexagon Head: 0.39 in.(10 mm)
For fastening M6 Hex. Bolt
After Installing
Remove any debris produced during the work and clean up the installation site.
In the system, the laser beam light runs through the optical cable. Handle the
optical cables with care as the laser beam can seriously damage the worker’s eyes.
Make sure that worker does not damage installed cables while cleaning the system.
While cleaning the power supply device, take caution that the device does not come
in contact with foreign objects that may cause power failure.
Installation Tools
The basic tools for installation are listed in the table below. The additional tools
required for each site need to be identified and prepared during a site survey before
starting installation.
The required installation tools may vary depending on the conditions at the site.
In addition to the basic tools, a protractor, GPS receiver, ladder, safety equipment, cleaning
tools, and so on should also be prepared in consideration of the site conditions.
This paragraph describes the work to unpack cabinets and other components and
transport them to the place to be installed.
Bringing in Items
Bring in items, taking care of the followings:
When carrying a system, fasten the system firmly to the transport vehicle or
carrier to prevent a damage to the system for a vibration or shock.
When carrying system, use a lift to prevent accidents. However, if the system
must be carried by people, enough people are required to carry the system.
Before moving the system, check the storage place for the system and remove
obstacles in advance.
While moving system, the system should not be shocked physically and
damaged caused by dust, moisture, and static electricity.
Unpacking Items
The procedure to unpack items is as follows:
The packing items must be packed until they reach the installation place.
The items are classified in accordance with each job specification and stored
on a place that does not interfere with working.
Unpacked systems must be installed immediately. If not installed immediately,
the systems must be stored in the installation place temporarily.
Unpack only external packing, leaving the internal packing in unpacked status.
Unpack the inner packaging after each system is placed on its installation
location.
Scrap by-products (packaging waste) in accordance with the rule. Do not
There are two ways to fix a unit bracket to the RRU. One is fixing a unit mounting
bracket to the rear side of RRU (Standard installation). The other is fixing a unit
bracket to the side of RRU (Side installation).
These are the same for the wall type and pole type installation procedures.
To mount the system on a wall, perform the leveling test by referring to System
Leveling to check the positions are marked to be horizontal or vertical before
drilling. If the result shows they are not horizontal or vertical, modify the marking
positions.
When the position where the system will be placed is determined, place the system on that
position and then mark the positions where anchor bolts will be fixed. This will reduce
marking error range.
If it is level, the bubble of the
spirit level is positioned at the
130mm
3 Place a bracket assembly on the fixing location.
4 Check the level status using a level and adjust the level of bracket assembly.
5 Mark the anchor holes on a wall.
Figure 23. Example of Marking_Use the Mounting bracket
6 Drill anchor holes at the marked locations on a wall.
The procedure for cable connections is as follows:
Figure 31. Cable Connection Procedure
When cutting the cable after installation, make sure that the connector is
disconnected. Installation of the cable with the connector connected to the system
may cause contact failure or damage to the connector assembled to the system and
the cable due to cable tension or the operator’s mistakes.
The sequence of cable cutting and installation of the cable workflow can be changed
depending on the field situation such as ‘cutting after installing’ or ‘installing after cutting’.
Cable Path Inspection
When installing a cable that connects between the rectifier, Main Ground Bar
(MGB), and backhaul device, and so on within the system, the cable path, length
and the cable installation method, and so on must be inspected.
Follow these guidelines when inspecting the cabling path.
A minimum cable length must be selected provided that it does not affect the
The cable must be placed in a location where it will not be damaged by
In areas where the cable may be damaged by external factors, ensure that
Cable Cutting
Measure the exact distance, carefully checking the route, and cut the cable using a
cutting tool.
Follow these guidelines when cutting the cable.
Cut the cable to the length determined in the Cable Path Inspection step.
Use a dedicated cable cutting tool.
Cut the cable at right angles.
Be careful to keep the cable away from any moisture, iron, lead, dust, or other
Remove any foreign material attached to the cable using solvent and a brush.
external factors (power line, flooding, footpaths, and so on).
measures are taken to prevent damage to the cable (cable tray, ducts, flexible
pipe, and so on).
foreign material when cutting.
Cable Installation
Cable installation involves running the cable along the cabling path to the target
connector of the system or an auxiliary device after cable path inspection and cable
cutting have been completed.
Follow these guidelines when installing a cable:
Be careful not to damage the cable.
If the cable is damaged, cut out the damaged section before installing, or
replace the cable.
Run the cable so that it is not tangled. In particular, when installing a cable
from a horizontal section to a vertical section, be careful not to reverse the
upper and lower lines of the cable.
Always use the maximum curvature radius possible, and make sure that the
minimum curvature radius specification is complied with.
If the cable needs to be protected, use for example, a PVC channel, spiral
sleeve, flexible pipe, cable rack, and so on.
Install the DC power cable and data transmission cable away from the AC
Unloaded Condition (Installed)
: 20 times of cable external diameter
Loaded Condition (During
Installation)
: 40 times of cable external
diameter
3
Optical Cable (Outdoor)
Unloaded Condition (Installed)
: 10 times of cable external diameter
Loaded Condition
(During Installation)
: 20 times of cable external
diameter
4
UTP/FTP/S-FTP Cable
4 times of the cable external diameter
5
1/2 in. Feeder Line (Flexible)
4.92 in.(125 mm)
※ If the allowed cable bend radius is specified by the manufacturer, comply with the bend radius specified.
Table 16. Recommended Minimum Allowed Cable bend Radius
Cable Binding
Cable binding involves fixing and arranging an installed cable using binding
thread, cable ties, binding wire, and ram clamps, and so on.
Follow these guidelines when binding a cable.
Be careful not to damage the cable during binding.
Use appropriate cable binding tools according to the target location (indoor or
outdoor, and so on) and the type of the cable (power supply cable, optical
cable, feeder line, and so on).
Do not let the cutting section of a cable tie and binding line, and so on be
exposed to the outside. This may cause damage to cables or personal injury.
Make sure that the cutting sections of cable ties and binding lines, and so on
are not exposed to the outside.
Cut off the remainder of the cable thread by leaving about 50 mm of extra
length to prevent the knot from easily getting untied.
If there is a danger that contact failure may occur in a connector connection
due to tension, bind the cable at the closest location to the connector.
Connector Attachment
Connector attachment involves assembling a connector to an installed cable or to a
device on the site.
Follow these guidelines when attaching a connector.
Make sure operator is fully aware of the connector assembly method before
assembling a connector. Assemble the connector in accordance with its pin
map.
Each connector has a hook to prevent its core positions from being changed.
Check the corresponding grooves before connecting a connector to another
connector.
Use a heat shrink tube at a connector connection for cables that are installed
outdoor, such as feeder lines, to prevent water leakage and corrosion from
occurring at the part exposed to the outside.
Connect each cable of the connector assembly in a straight line.
Be careful when connecting a cable so that contact failure does not occur at a
connector connection due to tension.
Identification Tag Attachment
Identification tag attachment involves attaching a marker cable tie, nameplate, and
label, and so on to the both ends of a cable (connections to a connector) to identify
its use and cabling path.
Follow these guidelines when attaching an identification tag.
When installing a cable outdoor, use relief engraving and coated labels, and so
on to prevent the markings from being erased.
Since the form and attachment method for identification tags are different for
each provider, consult with the provider before attaching them.
When connecting the cables, always connect the ground cable first. If worker
contacts the equipment, connect a cable or perform maintenance without
connecting the ground cable, the system can be damaged or a worker may be
injured due to static electricity and short circuit.
When performing cable work for the system, proceed with the ground work before
any other work to prevent errors occurring due to static electricity and other reasons.
When installing, take care not to overlap or tangle the cables; also, consider future expansion.
Install the DC power cable and data transmission cable away from the AC power cable to
prevent electromagnetic induction.
Make sure the work is done by personnel properly trained for the cabling job.
The inlet hole finishing method of external equipment must be progressed after consultation
with operation company in case of the cable connected to external equipment. (Optic
distribution box, etc)
- The Cable: Hybrid(Power) Cable, Hybrid(Optical) Cable
Grounding is the process of operating an electronic system (for example. power
supplying system, communication system, and control system) stably from a
lightning, transient-current, transient-voltage and electric noise and of preventing
injury from electric shock.
Ground equipment minimizes the electrical potential of the electronic device to
that of the ground, which is zero electrical potential, so that it can prevent the
device from occurring electrification.
Connect the ground cable first. In cabling, the connection of cables without the
connection to the ground cable may cause damage of the equipment or bodily
injury to personnel.
The purposes of the ground construction are as follows:
To prevent human life and the system from over-current, over-voltage, and
To provide a discharge path for surge voltage generated by lightning and
lightning
power switch
To protect the system from static electricity
To eliminate or minimize the high-frequency potential in the system housing
To provide a conductor for the balance and stability of high-frequency current
To stabilize the potential of the circuit against the ground
1 Make sure that operator has the following items:
Table 18. Parts and Tools for Grounding
For the pressure terminal or the cable, the UL Listed products or equivalent should be used.
Ex) Manufacturer-Panduit
RRU: AWG8 Pressure Terminal(LCD8-14A-L)
2 Install a ground cable from the TGB to the RRU ground terminal.
Figure 33. Ground Cable Connection (1)
3 Align the pressure terminal to the mounting hole of the RRU ground terminal.
4 Firmly fix the pressure terminal onto the RRU ground terminal using Hex.
The power supply device consists of the following elements:
Figure 35. Power Equipment Elements
Since power is applied to the system where the power cable is connected by
manipulating the circuit breaker of the rectifier, be sure to check the rectifier’s
breaker is turned off (open) before connecting the power cable to the power
connector. If the system is installed while the circuit breaker is on, the worker may
be critically injured as soon as the cable is connected in the wrong way.
Handling the power cable incorrectly may damage the rack or cause an electric
short-circuit through the cable. Ensure the power switch on the rectifier or the system
is turned off before handling the power.
The fasteners for power cable must be tightly secured to prevent electrical accidents.
The heat-resistant temperature of the power cable should be 90°C or more.
Install the power cable to the power port of the system by considering the radius of
curvature of its cable specification and then cut the cable. If operator installs the
cable after cutting, there may be length difference among the core wires at the end of
the cable because of cable curvature. This may result in poor contact after the cable
is connected to the power port.
Install a circuit breaker to a rectifier (or power distributor) for the stable power. The capacity
of circuit breaker is 20 A or 25A. (Use UL Listed circuit breakers.)
9 Fix the back shell not to rotate, rotate install zig and fix it with a torque
wrench.
Figure 43. Power Connector Assembly (8)
Before tightened the back shell, the cable can’t be tightened by the nut. The torque wrench used to assemble the power connector should be a product with
In the system, the laser beam light runs through the optical cable.
The exposure of the laser beam on worker’s eye may cause serious injury so that it
should be handled with care.
Remove the dust cap of the optical connector before connecting.
- Before connecting the optical cable, check if the ferrule of the connector is soiled.
Be careful to keep the cutting section away from dust or foreign material. If the cable
is soiled with foreign material, do not blow to remove them.
- Make sure to clean the connector in accordance with the cleaning directions in
Annex.
- Do not touch the ferrule at the end of optical cable because it is easy to be damaged.
Attach the identification tag to the both ends of the antenna.
Materials
Use the material of aluminum coated by vinyl for the identification tag.
Fixing method
Antenna side: Attach the tag to the feeder line using binding strings
through the two holes on the tag.
Equipment Side: Cover up the feeder line with the tag and fix it using
Connection Part of System External
Interface Connector
Antenna
①
②
Checking RF Cable Connection
After connecting the RF cables, perform the continuity test and feeder cable return
loss to check if the RF cable is changed and measure VSWR of antenna and RF
cable.
Measure all cables of section ①~②. The measured VSWR should be the
specification value or less. If the VSWR exceeds the specification value,
disassemble the connector and measure each section separately.
If the VSWR value for minimum cable bend radius and length of RF cable is not
applied, system may not work properly because RF signals cannot transmit or
receive smoothly. So, the VSWR value for minimum cable bend radius and length
of RF cable must be checked and applied.
When measuring VSWR, if operator opens the antenna port when the transmission
output is not completely off, a spike signal may flow into the reception path, which
may cause damage to LNA. Make sure the transmission output is completely off
when measuring VSWR.
When RF cable connection integrated RET signal and DC power is applied using
ANT0 port of RRU, RET cable should be installed separated from RF cable to RF
Antenna.
Depending on the supplier or manufacturer of antenna/arrestor the connector type may be
different. Also, the detail specifications of a connector may be different depending on cable
type even for the same connector type. Therefore, check the detail specifications of a
connector before preparing parts.
Ex) DIN Type-Male: for 1/2 in. Feeder line, for 7/8 in. Feeder Line
RF Cable Identification Tag Installation
Attach the identification tape in the below table to the RF cable.
Equipment damage such as Dent,
scratch and crack, and so on
Placement of equipment
and mechanical parts
Maintenance and horizontal/vertical
placement
Leveling condition of
equipment and
mechanical parts
Horizontal/vertical status
Validity of status and
specifications of fastening
bolt/nut/washer, and so on
Checking fasteners omission
Compliance with assembly order of
fasteners
Compliance with fastening torque value
Insulation status
Checking electrical contact between
Inspection Plan
Create an inspection sheet per system and select an inspector to set an inspection
schedule per site.
On-site Inspection and Inspection Checklist
The on-site inspection is to perform inspection visually or using instruments for
each specification, standard, and installation status, and so on based on the
inspection checklist actually at a site where the system is installed.
The inspector must record the results onto the inspection checklist during or after
filed inspection.
Sharing Inspection Results and Taking Corrective Actions
The inspector must share the inspection results (inspection checklist/corrective
actions) with an installation operator and, the installation operator must take the
corrective actions if necessary after reviewing the requirements.
Checking the Results of Corrective Actions
The inspector must check if the corrective actions are properly taken. If they are
not sufficient, the inspector must ask the installation operator to take the corrective
actions again.
Sharing the Results of Corrective Actions and Preparing Preventive Plan
After the corrective actions are all completed, the inspector must share the results
with the installation operator and relevant departments and prepare a preventive
plan to prevent the same or similar problems from re-occurring.