Comba Telecom RH 8132 User Manual
USER MANUAL FOR RH-8132
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Comba Telecom Ltd.
USER MANUAL FOR RH-8132
The information contained herein is the responsibility of and is approved by the
following, to whom all enquiries should be directed in the first instance:
This is an unpublished work the copyright in which vests in Comba International
("Comba"). All rights reserved.
The information contained herein is confidential and the property of Comba and
is supplied without liability for errors or omissions. No part may be reproduced,
disclosed or used except as authorised by contract or other written permission.
The copyright and the foregoing restriction on reproduction and use extend to all
media in which the information may be embodied.
USER MANUAL FOR RH-8132
0.1 CONTENTS
Section Page
0.1 CONTENTS ........................................................................................................................... 3
0.2 INDEX TO FIGURES AND TABLES ..................................................................................... 4
0.3 HISTORY ............................................................................................................................... 5
0.4 GLOSSARY OF TERMS ....................................................................................................... 6
0.5 SAFETY NOTICES AND ADMONISHMENTS ...................................................................... 7
1 GENERAL INFORMATION ................................................................................................... 8
2 EQUIPMENT DESCRIPTION.............................................................................................. 11
2.1 EQUIPMENT LAYOUT ........................................................................................................ 11
2.2 KIT OF PARTS .................................................................................................................... 12
3 INSTALLATION ................................................................................................................... 13
3.1 WARNINGS AND ALERTS ................................................................................................. 13
3.2 SITE PLANNING CONSIDERATIONS ................................................................................ 14
3.2.1 REPEATER INSTALLATION CHECKLIST ......................................................................... 15
3.3 INSTALLATION PROCEDURES ........................................................................................ 16
3.3.1 GOODS INWARDS INSPECTION ...................................................................................... 16
3.3.2 TOOLS ................................................................................................................................. 16
3.3.3 PREPARATION ................................................................................................................... 16
3.3.4 DAU MOUNTING RACK ..................................................................................................... 16
3.3.5 CABINET MOUNTING OF DAU .......................................................................................... 17
3.3.6 DRU WALL MOUNTING ..................................................................................................... 18
3.3.7 DRIP-LOOP ......................................................................................................................... 18
3.4 EQUIPMENT CONNECTORS ............................................................................................ 19
3.4.1 DAU CONNECTORS .......................................................................................................... 19
3.4.2 DRU CONNECTORS .......................................................................................................... 20
3.5 EQUIPMENT CONNECTION .............................................................................................. 21
3.5.1 GROUNDING CONNECTION ............................................................................................. 21
3.5.2 LI-ION BATTERY CONNECTION ....................................................................................... 21
3.5.3 OPTICAL CONNECTION .................................................................................................... 22
3.5.4 ETHERNET CONNECTION ................................................................................................ 22
3.5.5 CONNECTION TO PC ........................................................................................................ 22
3.5.6 EXTERNAL ALARM CONNECTION ................................................................................... 22
4 COMMISSIONING ............................................................................................................... 23
4.1 PRE-COMMISSIONING TASKS ......................................................................................... 23
4.2 COMMISSIONING PROCEDURES .................................................................................... 23
5 MAINTENANCE .................................................................................................................. 24
6 APPENDICES...................................................................................................................... 25
6.1 APPENDIX A: TOOLS FOR INSTALLATION AND MAINTENANCE ................................. 25
6.2 APPENDIX B: RMA (RETURN MATERIAL AUTHORIZATION) FORM ............................. 26
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USER MANUAL FOR RH-8132
0.2 INDEX TO FIGURES AND TABLES
Figure 1: Front, Side and Bottom Views of DAU Enclosure .........................................................................9
Figure 2: Front, Side and Bottom Views of the DRU Enclosure ................................................................ 10
Figure 3: Equipment Internal Layout of DAU ............................................................................................. 11
Figure 4: Equipment Internal Layout of DRU ............................................................................................. 12
Figure 5: Cabinet Mounting of DAU ........................................................................................................... 17
Figure 6: Wall Mounting Overview ............................................................................................................. 18
Figure 7: DAU Connectors ......................................................................................................................... 19
Figure 8: RH-8132 DRU Bottom Panel ...................................................................................................... 20
Figure 9: Pins Allocation for “EXT_ALM” Port ........................................................................................... 22
Table 1: DAU KOP ..................................................................................................................................... 12
Table 2: DRU KOP ..................................................................................................................................... 12
Table 3: Pin Definition of “EXT_ALM” Port ................................................................................................ 22
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USER MANUAL FOR RH-8132
0.3 HISTORY
Change No. ENU Details Of Change
1 1-0-0 RH-8132 user manual first created in June 2012 and referred to
its Chinese manual RH8132-1001YH.
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USER MANUAL FOR RH-8132
0.4 GLOSSARY OF TERMS
ALC Automatic Level Control
ATT Attenuation
BTS Base Transceiver Station
CSA Cross Sectional Area
DAU Digital Access Control Unit
dB Decibel
dBm Decibels relative to 1 milliwatt
DL Downlink
DPX Duplexer
DT Donor Terminal
DRU Digital Remote RF Unit
E/O, O/E Electrical/Optical, Optical/Electrical
FSK Frequency Shift Keying
FOU Fiber Optical Unit
GSM Global Standard for Mobile Communication
Hz Hertz
ID Identification
LNA Low Noise Amplifier
MCU Main Control Unit
MHz Megahertz
MT Mobile Terminal
MTBF Mean Time Between Failures
NF Noise Figure
OMC Operation & Maintenance Center
OMT Operation & Maintenance Terminal
OP Optical Fiber
PA Power Amplifier
PLL Phase Locked Loop
PSU Power Supply Unit
RF Radio Frequency
RFU Radio Frequency Unit
RX Receive
SMA Sub-Miniature “A” Connector
SIU Slide-In-Unit
TX Transmit
UL Uplink
VAC Volts Alternating Current
VSWR Voltage Standing Wave Ratio
WDM Wavelength Division Multiplexer
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USER MANUAL FOR RH-8132
0.5 SAFETY NOTICES AND ADMONISHMENTS
This document contains safety notices in accordance with appropriate standards. In the interests of
conformity with the territory standards for the country concerned, the equivalent territorial admonishments
are also shown.
Any installation, adjustment, maintenance and repair of the equipment must only be carried out by trained,
authorized personnel. At all times, personnel must comply with any safety notices and instructions.
Specific hazards are indicated by symbol labels on or near the affected parts of the equipment. The
labels conform to international standards, are triangular in shape, and are coloured black on a yellow
background. An informative text label may accompany the symbol label.
Hazard labeling is supplemented by safety notices in the appropriate equipment manual. These notices
contain additional information on the nature of the hazard and may also specify precautions.
Warning:
These draw the attention of personnel to hazards that may cause death or injury to the operator or others.
Examples of use are cases of high voltage, laser emission, toxic substances, point of high temperature,
etc.
Alert:
These draw the attention of personnel to hazards that may cause damage to the equipment. An example
of use is the case of static electricity hazard.
Caution notices may also be used in the handbook to draw attention to matters that do not constitute a
risk of causing damage to the equipment but where there is a possibility of seriously impairing its
performance, e.g. by mishandling or gross maladjustment. Warnings and Cautions within the main text
do not incorporate labels and may be in shortened form.
Caution:
The user is cautioned that changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device
does not cause harmful interference.
NOTE:
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference when the equipment is operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance
with
the instruction manual, may cause harmful interference to radio communications. Operation of this
equipment in a residential area is likely to cause harmful interference in which case the user will be
required to correct the interference at his own expense.
To comply with FCC RF exposure requirements, the device and the antenna for this device must be
installed to ensure a minimum separation distance of 3.94 meters or more from a person's body. Other
operating configurations should be avoided.
End of Section
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USER MANUAL FOR RH-8132
1 GENERAL INFORMATION
The RH-8132 850MHz CDMA and UMTS Dual Mode Fiber Optic Repeater (hereinafter called “RH-8132”)
can be used in a point-to-point or point-to-multipoint distributed antenna system to provide effective
coverage enhancement. It uses fiber transmission and is suitable for applications where large signal
coverage is required, such as citywide enhancement, highways, canyons, campuses, underground
tunnels, airports, convention centres, etc.
This system consists of Digital Access Unit (DAU) and Digital Remote RF Unit (DRU).
The low loss of optical fiber makes it suitable for long distance transmission. This system can support
optical transmission of up to 10dB signal transmission loss. There is no isolation problem as in standard
off-air repeaters, which means customer can select the service antenna flexibly according to the real
situation, such as directional or Omni-directional antenna.
Remote configuration and surveillance is possible through Comba’s OMC remote control and monitoring
system.
Characteristics of RH-8132 are as follows:
• Supports 7.5 MHz of CDMA subband ( 870.5~877.5/825~832.5 MHz) and 5 MHz of WCDMA
subband ( 877.5~882.5/832.5~837.5 MHz).
• Flexible network configuration as star, daisy chain and mixed configuration.
• Automatic and manual time delay adjustment effectively avoids same frequency interference in chain
configuration.
• Optional redundancy design for PSU and PA module.
• Supports remote firmware upgrade via fibre.
• Local Operation and Maintenance Terminal (OMT): operating status and parameters can be set or
monitored by OMT PC locally. And the point-to-point setting and inquiry between DAU and DRU is
realizable through optical fiber, which makes it convenient for on-site configuration.
• Operation Maintenance Center (OMC): system working parameters and communication configuration
can be set or inquired remotely through the ethenet cable.
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USER MANUAL FOR RH-8132
The figures below show the equipment enclosure layout of RH-8132 DAU and DRU.
482
88
360
OP1 OP2 OP3 OP4
RS-232 BTS_ALM
Figure 1: Front, Side and Bottom Views of DAU Enclosure
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