Dali Wireless DW-010-7373-08 User manual

DUAL-BAND DIGITAL OPTICAL REPEATER
DW-010-7373-08
Installation and Operation Manual
Preliminary
Document: DW-ML01-010-7373-08
Revision: 0-2
Date: Feb / 2011
Dali Wireless (Canada), Inc.,
8561 Commerce Court
Burnaby, BC, V5A 4N5
http://www.daliwireless.com
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Dual-Band Digital Optical Repeater
DW-010-7373-08
Installation & Operation Manual -
Preliminary
Dali Wireless
Proprietary and Confidential
2 Rev: 0-2
Feb 2011
0
NOTICES
Trademark Acknowledgements
Dali Wireless is a registered trademark of Dali group of companies, Dali Wireless, Inc. and Dali Wireless
(Canada), Inc.
The Dali Wireless logo is a registered trademark of Dali group of companies, Dali Wireless, Inc. and Dali
Wireless (Canada), Inc.
All other trademarks shown are trademarks of their respective owners.
Copyright
©2010 Dali Wireless. All Rights Reserved. Printed in Canada.
Information in this publication is subject to change without notice. No part of this publication may be
reproduced or transmitted in any form, by photocopy, microfilm, xerography, or any other means, or
incorporated into any information retrieval system, electronic or mechanical, for any purpose, without the
express permission of Dali Wireless, Inc
Disclaimer
Dali Wireless, Inc. assumes no responsibility for errors or omissions that may appear in this publication.
Dali reserves the right to make changes this publication at any time without notice as part of our
continuing effort to improve our products.
Revision History
Revision
Date
Reason For Change
0-1
October 2010
Preliminary Release
0-2
February 2011
Minor updates
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Dual-Band Digital Optical Repeater
DW-010-7373-08
Installation & Operation Manual -
Preliminary
Dali Wireless
Proprietary and Confidential
3 Rev: 0-2
Feb 2011
0
TABLE OF CONTENTS
1Safty Precautions.............................................................................................................................................. 7
2Digital Optical Repeater Overview .................................................................................................................. 8
2.1 Features and Benefits ................................................................................................................................. 8
2.2 System Description...................................................................................................................................... 9
2.2.1 DAU Introduction ................................................................................................................................ 10
2.2.2 DRU Introduction................................................................................................................................ 13
2.2.3 Accessories ........................................................................................................................................ 17
3Product Specification..................................................................................................................................... 18
4Instalation Procedure ..................................................................................................................................... 20
4.1 Pre-Installation procedure ......................................................................................................................... 20
4.1.1 Incoming Inspection ........................................................................................................................... 20
4.2 DAU Installation ......................................................................................................................................... 20
4.2.1 DAU Mounting .................................................................................................................................... 20
4.2.2 Cables Installation .............................................................................................................................. 20
4.2.3 Optical Attenuator............................................................................................................................... 21
4.3 DRU Installation......................................................................................................................................... 22
4.3.1 DRU Mounting .................................................................................................................................... 22
4.3.2 Cables Installation .............................................................................................................................. 26
5Operation ......................................................................................................................................................... 29
5.1 Pre-Operation Procedure .......................................................................................................................... 29
5.1.1 DAU Installation Checkup .................................................................................................................. 29
5.1.2 DRU Installation Checkup .................................................................................................................. 29
5.2 System Power Up ...................................................................................................................................... 29
5.2.1 Access to M&C Software Application................................................................................................. 29
5.2.2 Setting Unit ID’s.................................................................................................................................. 31
5.2.3 Carrier Frequency and Gain Setup (Frequency Selective DOR)....................................................... 32
5.3 Gain Control............................................................................................................................................... 36
5.3.1 UL Signal Nose Level and Gain Calculation ...................................................................................... 37
5.3.2 Gain Setup.......................................................................................................................................... 38
5.3.3 Delay Measurement and Control........................................................................................................ 40
5.4 Software Upgrade Procedure .................................................................................................................... 43
6DOR Functionality........................................................................................................................................... 46
6.1 GUI ............................................................................................................................................................ 46
6.2 DOR Networking........................................................................................................................................ 47
6.2.1 Simulcast Function ............................................................................................................................. 48
6.2.2Flexible Simulcast Function................................................................................................................ 49
6.3 DOR Monitoring, Control and Alarm Functions ......................................................................................... 51
6.3.1 DOR Control Functions ...................................................................................................................... 51
6.3.2 DOR Monitoring Functions ................................................................................................................. 52
6.3.3 DOR Alarms ....................................................................................................................................... 52
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Dual-Band Digital Optical Repeater
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Installation & Operation Manual -
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6.4 Built-In Test Functions............................................................................................................................... 53
6.4.1 Optical Loop-Back Function ............................................................................................................... 53
6.4.2 DRU Delay Equalization Function...................................................................................................... 54
6.4.3 M&C Communication Status – Heartbeat Function ........................................................................... 54
6.5 Multi-Standard, Multi-Carrier Operation..................................................................................................... 55
7Fiber Connectors ............................................................................................................................................ 57
7.1 Fiber Connectors Review .......................................................................................................................... 57
7.1.1 SC Type Fiber Optic Connector ......................................................................................................... 57
7.1.2 FC Type Fiber Optic Connector ......................................................................................................... 57
7.1.3 LC Type Fiber Optic Connector.......................................................................................................... 57
7.1.4 ST Type Fiber Optic Connector.......................................................................................................... 58
7.2 Fiber Connector Cleaning Procedure........................................................................................................ 59
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Dual-Band Digital Optical Repeater
DW-010-7373-08
Installation & Operation Manual -
Preliminary
Dali Wireless
Proprietary and Confidential
5 Rev: 0-2
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TABLE OF TABLES
Table 2-1 DRU External Interfaces ........................................................................................................................ 11
Table 2-2 DRU External Interfaces ....................................................................................................................... 14
Table 3-1 Specification for Dali Dual-Band DOR, 850/1900 MHz, 20 + 20 W....................................................... 19
Table 5-1 UL Gain Calculation Example................................................................................................................ 37
Table 6-1 Optical Transport Data Rate Calculation .............................................................................................. 50
Table 7-1 Typical performance of ceramic Ferrule ................................................................................................. 58
TABLE OF FIGURES
Figure 2-1 Dual-Band Digital Optical Repeater ......................................................Error! Bookmark not defined.
Figure 2-2 Dali DOR System Block Diagram........................................................................................................... 9
Figure 2-3 Dali Dual-band DAU Block Diagram..................................................................................................... 10
Figure 2-4 DAU External Interfaces – Front and Back Panel ................................................................................ 12
Figure 2-5 Dali Dual-band DRU Block Diagram .................................................................................................... 13
Figure 2-6 DRU External Interfaces......................................................................................................................... 15
Figure 2-7 DRU Front and Back – X-ray view........................................................................................................ 16
Figure 4-1 SC Fixed Fiber Attenuator .................................................................................................................... 21
Figure 4-2 DRU Mounted On the Pole................................................................................................................... 22
Figure 4-3 DRU Mounted Inside the Pole .............................................................................................................. 23
Figure 4-4 DRU Mounting On the Wall .................................................................................................................. 24
Figure 4-5 DRUs Back-to-Back Mounted on the Pole ........................................................................................... 25
Figure 4-6 Outdoor Industrial SC Adapter and SC Cable Assembly Connectors.................................................. 27
Figure 4-7 AC Power Supply Wiring Diagram........................................................................................................ 28
Figure 5-1 Local and Remote Access to DOR....................................................................................................... 30
Figure 5-2 GUI Configuration Screen – Setting Unit ID’s ...................................................................................... 31
Figure 5-3 GUI operation Screen – DAU Channel Settings................................................................................... 32
Figure 5-4 GUI DAU Channel Setting Window ...................................................................................................... 33
Figure 5-5 GUI Operation Screen – DRU Channel Settings.................................................................................. 34
Figure 5-6 GUI DRU Channel Setting Window...................................................................................................... 35
Figure 5-7 GUI Gain Setup 1 ................................................................................................................................. 38
Figure 5-8 Delay Measurement Process ............................................................................................................... 40
Figure 5-9 GUI Delay Compensation Setup -Manual ............................................................................................ 41
Figure 5-10 GUI Delay Compensation Setup – Automated................................................................................... 42
Figure 5-11 Software Upgrade Process – Screen 1 .............................................................................................. 43
Figure 5-12 Software Upgrade Process – Screen 2 & 3........................................................................................ 44
Figure 6-1 GUI Screen Example............................................................................................................................ 46
Figure 6-2 DOR Networking Example.................................................................................................................... 47
Figure 6-3 Fully Populated Sector 1 DAU Sub-Network........................................................................................ 48
Figure 6-4 DOR Network Topology that Supports Flexible Simulcast................................................................... 49
Figure 6-5 GUI Channel Frequency and Digital Gain setting screen .................................................................... 51
Figure 6-6 Heartbeat Function Implementation Block Diagram............................................................................. 54
Figure 6-7 CDMA + 4 GSM Carriers Output Spectrum.......................................................................................... 55
Figure 6-8 WCDMA + 4 GSM Carriers Output Spectrum ...................................................................................... 56
Figure 7-1 SC Type Fiber Optic Connector ........................................................................................................... 57
Figure 7-2 FC Type Fiber Optic Connector............................................................................................................ 57
Figure 7-3 LC Type Fiber Optic Connector............................................................................................................ 57
Figure 7-4 ST Type Fiber Optic Connector............................................................................................................ 58
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Dual-Band Digital Optical Repeater
DW-010-7373-08
Installation & Operation Manual -
Preliminary
Dali Wireless
Proprietary and Confidential
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ACRONYMS AND ABBREVIATIONS
AC Alternating Current
BTS Base Transceiver Station
CCMF Centralized Control and Monitoring Function
CCU Central Control Unit
CDMA Code Division Multiple Access
DAU Digital Access Unit
DAS Distributed Antenna System
DC Direct Current
DDC Digital Down-Converter
DL Down Link
DOR Digital Optical Repeater
DPD Digital Pre-Distortion
DRU Digital Remote Unit
DUC Digital Up-Converter
FF Feed Forward
GPS Global Positioning System
GUI Graphical User Interface
IF Intermediate Frequency
IFL Inter Facility Link
M&C Monitor and Control
MMI Man Machine Interface
NF Noise Figure
NMS Network Management System
OS Operating System
PAR Peak to Average Ratio
Tx Transmit
RF Radio Frequency
Rx Receive
UL Up Link
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Dual-Band Digital Optical Repeater
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Installation & Operation Manual -
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1 SAFETY PRECAUTIONS
IMPORTANT
All safety precautions should be read and understood prior to deploying the Dali Dual-
Band Digital Optical Repeater.
This equipment contains components that emit laser radiation which can seriously
damage the retina of the eye. Do not look into the ends of any optical fiber. Do not look
directly into the optical transceiver of any digital unit or exposure to laser radiation may
result. Place a protective cap or lid immediately over any radiating transceiver or optical
fiber connector to avoid potential damage caused by radiation exposure. This practice
also prevents dirt particles entering the openings.
Always consider and allow sufficient fiber length to permit routing or patch cords and
pigtails without severe bends. Fiber optic patch cords or pigtails may be permanently
damaged if bent or curved to a radius of less than 2 inches (50mm).
The Digital Remote Unit is powered by 115 or 230 VAC. To prevent electrical shock
when installing or maintaining the Digital Remote Unit, disconnect the wiring at the
power source before working with un-insulated wires or terminals.
Wet locations and conditions will increase the risk of electrical shock when installing or
using electrical powered equipment. To prevent electrical shock, never install or use
electrical equipment in wet locations or during lightning storms.
Static electricity can severely damage and corrupt essential circuitry within the
equipment if not handled carefully. Parts on the printed circuit boards as well as other
parts in the equipment are sensitive to electrostatic discharge. Never touch the printed
circuit boards or un-insulated conductor surfaces unless absolutely necessary. If the
printed circuit boards must be handled, always use ESD protective devices or first touch
the enclosure with your hand and then do not move your feet.
This equipment is intended to be installed only by professionally qualified and trained
personnel.
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Dual-Band Digital Optical Repeater
DW-010-7373-08
Installation & Operation Manual -
Preliminary
Dali Wireless
Proprietary and Confidential
8 Rev: 0-2
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2 DIGITAL OPTICAL REPEATER OVERVIEW
The Dali Wireless dual-band Digital Optical Repeater system provides effortless mobile coverage extension and
capacity enhancement of GSM, CDMA, WCDMA, LTE, TD-SCDMA, and WiMax wireless networks. Built on
patented Digital Pre-Distortion (DPD), Crest Factor reduction (CFR) algorithms, and patented n-way Doherty PA
configurations, Dali Repeaters offer a breakthrough in efficiency, linearity and instantaneous bandwidth. The
optical connection is entirely digital, ensuring that retransmitted signals are not degraded in any way. The system
is Software Configurable offering seamless upgrades to the system
Dali’s DOR model # DW-010-7373-08 is a dual band, 850/1900 MHz unit with 20W average output power per
band. This model number comprises a single DAU (Digital Access Unit) and single DRU (Digital Remote Unit) as
representative of the entire DAS system.
2.1 Features and Benefits
•Dual-band solution
•Industry-leading DDC/DUC algorithms enabling signal digital filtering and on-demand carrier
reconfiguration (channel selective version)
•Multi-standard capability provides evolutionary path to 4G, and supports neutral host applications
•High efficiency, high power RF modules
•High instantaneous bandwidth for multi-carrier use
•High linearity for high PAR applications like WiMax, LTE, UMB
•Scalability to support current and future growth requirements
•Single Fiber optic link (WDM system)
•Remote unit with dual optical interface enabling daisy chain connection of
multiple remote units
•Advanced Monitoring & Control capabilities enable on-demand system
reconfiguration, and remote upgrade (future ready platform able to adapt to
new standards) via intuitive GUI
•Integrated surge protection on all remote unit RF ports
DAU DRU
Figure 2-1 Dual-Band Digital Optical Repeater
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Dual-Band Digital Optical Repeater
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2.2 System Description
The Digital Optical Repeater (DOR) is comprised of a Digital Access Unit (DAU) that is RF coupled to the Base
Station, and Digital Remote Unit (DRU) located in areas that the Base Station signal cannot reach (gaps created
by natural or manmade obstacles, tunnels and subways, or inside buildings) as well simulcast in a DAS
configuration to provide optimum coverage and capacity in wireless networks.
A Single optical fiber interface, based on the CPRI standard, is used to connect the DAU with a number of DRUs,
in a star, daisy-chain (see Figure 2-2), or hybrid star/daisy-chain configuration. The DRU’s can be installed 15km
to 40km away from the DAU. Both DAU and DRU contain a Digital Processing section and an RF Processing
section.
Figure 2-2 Dali DOR System Block Diagram
For bidirectional optical communication between DAU and DRUs over single single-mode fiber cable, SFP optical
transceivers with built in WDM system are used. SFP modules are supporting data rates from 2.5 Gbps to 6.144
Gbps (dependant on the version of the DOR).
All digital signal processing, (framer/deframer, serializer/deserializer, digital down and up conversion (DDC and
DUC), crest factor reduction (CFR) and digital pre-distortion (DPD)), is performed inside Xilinx V6 FPGA.
Unit monitoring and control functionality is provided by proprietary software application that runs on Linux OS
supported by an ARM9 microprocessor. Multi-thread operation and web server access are supported by the
system.
DRU-1
SFP1
SFP2
Digital
Processing
Fiber R1
RF
Processing
1900MHz
RF
Processing
850MHz
AC-DC 110/220
to +27 VDC
110/220 VAC, 50/60 Hz
uP
Ethernet
RJ45
N
f
N
f
N
f
N
f
Tx/Rx ANT2
DL: 1930-1990 MHz
UL: 1850-1910 MHz
Tx/Rx ANT1
DL: 869-894 MHz
UL: 824-849 MHz
Rx Div. ANT1
UL: 824-849 MHz
Rx Div. ANT2
UL: 1850-1910 MHz
DRU-2
SFP1
SFP2
Digital
Processing
Fiber R2
RF
Processing
1900MHz
RF
Processing
850MHz
AC-DC 110/220
to +27 VDC
110/220 VAC, 50/60 Hz
uP
Ethernet
RJ45
N
f
N
f
N
f
N
f
Tx/Rx ANT2
DL: 1930-1990 MHz
UL: 1850-1910 MHz
Tx/Rx ANT1
DL: 869-894 MHz
UL: 824-849 MHz
Rx ANT1
UL: 824-849 MHz
Rx ANT2
UL: 1850-1910 MHz
BTS
850 MHz Band
BTS
1900 MHz Band
DAU
Digital
Processing
RF
Processing
1900MHz
RF
Processing
850MHz
DC-DC -48VDC
to 5 VDC
uP
Ethernet
RJ45
N
f
SFP1
Fiber 1
N
f
N
f
N
f
-48 VDC (-72 to -36 VDC), or
SFP2
Fiber 2
SFP3
Fiber 3
SFP4
Fiber 4
SFP5
Fiber 5
SFP6
Fiber 6
GSM
Modem
GSM
Modem
ANT
3dB ATT
3dB ATT
3dB ATT
3dB ATT
Tx/Rx
BAND2
+38dBm
Tx/Rx
BAND1
+38dBm
Rx Div.
BAND1
-90dBm
Rx Div.
BAND2
-90dBm
High Power
30dB ATT
High Power
30dB ATT
Low Power
30dB ATT
Low Power
30dB ATT
+43dBm
-95dBm
+43dBm
-95dBm
-95dBm
-95dBm
DL Gain: 40dB +10/-20 dB
UL Gain: 40dB +10/-20 dB
DL/UL ATT: 35 dB total
+3dBm
-55dBm
+3dBm
-55dBm
-55dBm
-55dBm
+43dBm
-95dBm
+43dBm
-95dBm
-95dBm
-95dBm
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Dali’s patented n-way modified Doherty Power Amplifier (PA) topology is used as the final amplifier stage (DRU),
providing leading edge efficiency and linearity. Linearity of the PA is further enhanced by application of CFR and
DPD algorithms.
2.2.1 DAU Introduction
The Dali DAU is (at one end) RF interfaced to the Base Station, and on the other side connected to multiple
Digital Remote Units (DRU’s) in a star or star/daisy-chain network via single fiber optic cable.
The Dali DAU provides up to 6 fiber optic links to remote units, hence supporting 6 spoke star or star/daisy-chain
network. A fiber optic interface protocol is based on the CPRI V4.1 standard. Dali DOR supports CPRI line bit
rates up to 6.144 Mbps (CPRI option 6). Switching from one to another CPRI line bit rate option is as easy as
replacing pluggable SFP optical transceivers.
Figure 2-3 shows the block diagram of the Dali dual-band, 850/1900 MHz DAU (version with UL diversity
presented).
Figure 2-3 Dali Dual-band DAU Block Diagram
The DAU Monitoring & Control can be performed locally using an Ethernet (or RS-232) interface, or remotely
using wired (Ethernet) or wireless (modem) access, via Dali’s Graphical User Interface (GUI).
Framer/
Deframer
FPGA
SerDes
SerDes
Fiber 1
SFP1
SFP5
Main
CPU
DL2 (Tx)
1930-1990 MHz
UL2 (Rx) Main
1850-1910 MHz
DC-DC -48VDC to 5 VDC
-48 VDC (-72 to -36 VDC), or
+5.4 VDC
GSM
Modem
GSM
Modem
ANT
Dali DAU
DNC 2
UPC 2
DUC1
DDC2
DUC2
SerDes
SerDes
SerDes
SerDes
SFP2
SFP3
SFP4
SFP6
Fiber 2
Fiber 3
Fiber 4
Fiber 5
Fiber 6
ADC
DAC
RF Processing Digital Processing
DL1 (Tx)
869-894 MHz
UL1 (Rx) Main
824-849 MHz
UPC 1
ADC
DAC
DDC1
DNC 1
Ethernet1
UPC 2D
DAC
DUC2D
UL2 (Rx) Diversity
1850-1910 MHz
UPC 1D
DAC
UL1 (Rx) Diversity
824-849 MHz
DUC1
Pd
Pd
Pd
Pd
Pd
Pd
Router
Ethernet2
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Installation & Operation Manual -
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2.2.1.1 DAU External Interfaces
The DAU external (user) interfaces are located on the front and the back of the 19” rack mount chassis and are
shown in Figure 2-4.
Table 2-1 provides description of the DRU external interfaces.
Table 2-1 DAU External Interfaces
Ref.
Designation
Connector Type
Description
1
ALARM
Red LED
Red blinking: Minor Alarm
Red solid: Major Alarm
2
OL
Green LED
Optical Link continuity
Green: OK
LED OFF: Problem
3
RUN
Green LED
Unit operation
Green blinking: OK
LED OFF: Problem
4
RF IN
Green LED
Input RF signal
Green: OK
LED OFF: No signal
5
POWER
DC Switch
I : Power ON
O: Power OFF
6
E1
RJ45 female connector
Communication interface for
local or remote access to DOR
network
7
E2
RJ45 female connector
Communication interface for
local or remote access to DOR
network
8
SI
3 pin circular connector
RS-232 Serial Interface access
9
GND
Ground stud
Interface for grounding unit
10
850 Tx/Rx
N-type female 50 ohm
Duplexed Band 1 RF interface
– DL and UL signals from/to
Base Station
11
1900 TX/Rx
N-type female 50 ohm
Duplexed Band 2 RF interface
– DL and UL signals from/to
Base Station
12
700 Tx/Rx
N-type female 50 ohm
Duplexed Band 3 RF interface
– DL and UL signals from/to
Base Station
13
AWS Tx/Rx
N-type female 50 ohm
Duplexed Band 4 RF interface
– DL and UL signals from/to
Base Station
14
48VDC
2 pin DC power
connector
DC interface for power
cord/wires
15
F1
SC/APC simplex optical
connector
single mode optical fiber
interface #1
16
F2
SC/APC simplex optical
connector
single mode optical fiber
interface #2
17
F3
SC/APC simplex optical
single mode optical fiber
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connector
interface #3
18
F4
SC/APC simplex optical
connector
single mode optical fiber
interface #4
19
F5
SC/APC simplex optical
connector
single mode optical fiber
interface #5
20
F6
SC/APC simplex optical
connector
single mode optical fiber
interface #6
21
SYNC
Green LED
Blinking Green: Massage
received
22
RX
Green LED
Blinking Green: Rx
Communication
23
TX
Green LED
Blinking Green: Tx
Communication
24
VCC
Green LED
Solid Green: Power ON
25
MODEM
SMA female 50 ohm
RF interface for Modem
Antenna
Figure 2-4 DAU External Interfaces – Front and Back Panel
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2.2.2 DRU Introduction
The Dali DRU is located close to the antenna, and hence helps reduce coaxial feedline RF losses, leading to
increased system efficiency, reduced cooling requirements and small physical size.
The DRU is connected to the DAU via a fiber optic link, and can be installed 15km to 40km away from the DAU.
The DRU contains two optical interfaces, supported by independent optical transceivers, enabling daisy-chain
connection of multiple DRUs to reduce total fiber deployment cost and enhance architecture flexibility.
Figure 2-5 shows DRU block diagram (version with UL diversity presented).
Figure 2-5 Dali Dual-band DRU Block Diagram
The DRU Monitoring & Control function can be performed locally using an Ethernet (or RS-232) interface, or
remotely via the DAU when M&C signals are communicated over the fiber optic link.
The remote unit enclosure is sealed to the environment. Heat generated by the electronic components is
conducted to a rear heat sink and to the front lid. To increase efficiency of the heat sink, two external, long life,
environmentally sealed fans are provided on the top of the unit. Fans are controlled and monitored by remote unit
main processor. In a case of fan failure alarm will be generated and reported through the GUI.
SFP1
SFP2
Framer/
Deframer
FPGA
SerDes
SerDes
DDC2
DUC2
CFR
DPD
FB_2
CPU
Tx/Rx ANT2
DL: 1930-1990 MHz
UL: 1850-1910 MHz
AC-DC 110/220 to +27 VDC
110/220 VAC, 50/60 Hz
+5 VDC
DC-DC
+27 to +5 VDC
Dali DRU
+27 VDC
DNC2
DNC FB
ADC
ADC
UPC2
DAC
Fiber 1
Fiber 2
RF Processing
Digital Processing
AMP2
DNC1
UPC1
AMP1
DUC1
DDC1
DAC
ADC
Tx/Rx ANT1
DL: 869-894 MHz
UL: 824-849 MHz
FB_1
Ethernet
LNA1
LNA2
Rx ANT1
UL: 824-849 MHz
DNC1D
ADC
LNA
1D
DDC1D
DDC2D
Rx ANT2
UL: 1850-1910 MHz
DNC2D
LNA
2D
ADC
Pd
Pd
Pd
Pd
Pd
Pd
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2.2.2.1 DRU External Interfaces
The DRU external (user) interfaces are located on the bottom of the unit and shown in Figure 2-6.
Table 2-2 provides description of the DRU external interfaces.
Table 2-2 DRU External Interfaces
Ref.
Designation
Connector Type
Description
1
O1
Sealed SC/APC simplex
optical connector
Single mode optical fiber
interface supporting up to 6
Gbps data transfer (depends on
DOR version)
2
O2
Sealed SC/APC simplex
optical connector
Second single mode optical
fiber
interface that supports
daisy-chain of DRUs
3
E1
Sealed RJ45 female
connector
Communication interface for
local access to DOR network
4
Tx/Rx1
N-type female 50 ohm
Duplexed Band 1 RF interface
– DL and UL
signals to/from
antenna
6
Tx/Rx2
N-type female 50 ohm
Duplexed Band 2 RF interface
–
DL and UL signals to/from
antenna
8
L1
3 color LED
Green blinking: Status OK
Red blinking: Minor RF Alarm
Red solid: Major RF Alarm
Orange: Special condition
(VSWR Alarm)
L2
3 color LED
Green blinking: Status OK
Red blinking: Minor Optic Alarm
Red solid: Major Optic Alarm
Orange: Special condition
(clean optical interface)
9
AC IN
Sealed 3 pin AC power
connector
AC interface for power cord
10
GND
Ground stud
Interface for grounding unit
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Dual-Band Digital Optical Repeater
DW-010-7373-08
Installation & Operation Manual -
Preliminary
Dali Wireless
Proprietary and Confidential
15 Rev: 0-2
Feb 2011
0
Figure 2-6 DRU External Interfaces
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Dual-Band Digital Optical Repeater
DW-010-7373-08
Installation & Operation Manual -
Preliminary
Dali Wireless
Proprietary and Confidential
16 Rev: 0-2
Feb 2011
0
2.2.2.2 DRU Mechanical Description
The DRU mechanical assembly is comprised of an environmentally sealed chassis and variety of active and
passive electronic modules housed inside. The DRU is designed for implementation in outdoor and indoor
applications.
Heat produced by the active components is dissipated using a forced air cooling system comprised of the heat
sink located at the back of the unit and two long-life, environmentally hardened fans located at the top of the unit.
Figure 2-7 with see-through view shows position of the electronic components, fans and the heat sink.
Unit size (WxHxD) is: 241x838x152 mm (9.5”x33”x6”).
Figure 2-7 DRU Front and Back – X-ray view
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Dual-Band Digital Optical Repeater
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2.2.3 Accessories
2.2.3.1 2x2 Optical Switch
In applications that include daisy-chain of DRUs, if one of the remote units fails, the units that are downstream will
lose the signal and be out of service.
To prevent this type of network failure it is necessary to incorporate component that will bypass the failed unit and
ensure continuity of the signal flow between to the rest of the remote units, which are part of a daisy-chain
network.
An externally or internally mounted 2x2 optical switch is available separately as an accessory for the remote unit.
In a case of internally mounted optical switch, replacement of the failed unit will introduce minor service
interruption (time required to insert bypass optical patch cable).
Externally mounted optical switch ensures seamless swap of the failed remote unit. It is mounted as an extension
to remote unit optical interface connectors, or on a side of the unit.
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Dual-Band Digital Optical Repeater
DW-010-7373-08
Installation & Operation Manual -
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3 PRODUCT SPECIFICATION
The technical Specification for Dali DOR Model DW-010-7373-08 is presented in Table 3-1.
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Dual-Band Digital Optical Repeater
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Installation & Operation Manual -
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Table 3-1 Specification for Dali Dual-Band DOR, 850/1900 MHz, 20 + 20 W
Ref.
Parameter
Specification
DW-010-7373-08
Optical
1
Wavelength
1310 nm and 1550 nm
2
Optical Output Power
-9 to 0 dBm
3
Maximum Optical Loss
10 dB (10 km) to 25 dB (40 km)
4
Connector
SC/APC
5
Optical Fiber
Single SMF
RF
6
Frequency UL band
824-849/ 1850-1910 MHz
7
Frequency DL band
869-894/ 1930-1990 MHz
8
Instantaneous BW
<25 MHz within each band
90
DL Maximum Output Power
43 dBm (20W) per band
10
Air Interface Supported
GSM/GPRS/EDGE; UMTS/WCDMA; CDMA2000/1xEV-DO
Software upgradable to LTE
11
ACPR
w/ 4 GSM carriers
w/ 8 GSM carriers
w/ 4 WCMA carriers
w/ 1 WCDMA + 4 GSM carriers
w/ 1 CDMA + 4 GSM carriers
< -58 dBc
<-57 dBc
< -52 dBc
< -56 dBc
<
-56 dBc
12
Maximum Gain
DL: 55 dB
UL: 55 dB
13
Gain Adjustment Range/ Step/ Accuracy
DL: > 30 dB/ 1 dB/ <1 dB
UL: > 30 dB/ 1 dB/ <1 dB
14
In-band Ripple
DL: < 2 dBpp
UL: < 2 dBpp
15
Spurious Emission
Compliant to 3GPP TS 25 106 and TIA-97F
16
UL Noise Figure
<5 dB
17
UL Input Intermodulation
Compliant to 3GPP 25 143
18
Frequency Stability
< + 0.02 ppm
19
EVM and Rho
Compliant to 3GPP TS 25 106 and 3GPP2 C.S0051-0 v1.0
20
System Delay (w/o propagation delay)
<8 us - Wideband
<
20 us - Channel Selective
21
Delay Adjustment Range/ Step/ Accuracy
< 160 us/ 0.1 us/ <0.05 us
22
ALC Range
>10 dB
23
VSWR
< 1.5
24
RF Connector
N (f)
25
RF Impedance
50 ohm
M&C
26
Interface Local/Remote
RS-232; Ethernet/ Ethernet; Wireless modem
Power Supply
27
Operating Power
DAU: -48 VDC
DRU: 100 - 240 VAC, 50/60 Hz
28
Power Consumption
DAU: < 30 W
DRU: < 225W
Environmental
29
Operating Temperature
DAU: 0 - +40
o
C / -20 - +55
o
COptional
DRU: -40 - +55
o
C / -20 - +65
o
C Optional
30
Relative Humidity
DAU: < 85 %; DAU: < 95 %
31
Water Ingress
DRU: IP65
Mechanical
32
Size (WxHxD)
DAU: 482x45x350 mm / 19”x1.8”x13.8”;
DRU:241x838x152 mm/ 9.5”x33”x6”
33
Volume
DAU: 7.6 L/ 464 cu.in.; DRU: 30.7 L/ 1,874 cu. in.
34
Weight
DAU: ~6.5 kg/ 14.3 lb; DRU: < 22 kg/ 48.4 lb
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Dual-Band Digital Optical Repeater
DW-010-7373-08
Installation & Operation Manual -
Preliminary
Dali Wireless
Proprietary and Confidential
20 Rev: 0-2
Feb 2011
0
4 INSTALATION PROCEDURE
4.1 Pre-Installation procedure
4.1.1 Incoming Inspection
1. Inspect the exterior of the shipping box(s) for any evidence of damage that can affect units inside. If
damage is found file a claim with the carrier. Inform Dali customer service.
2. Unpack each box, check for damage, and verify content using the packing slip. If damage is found, or
parts are missing, file a claim with the carrier. Inform Dali customer service.
4.2 DAU Installation
4.2.1 DAU Mounting
The DAU is a one rack unit (1RU) high assembly that mounts inside standard 19” equipment rack. In a case of
mount in 23” equipment rack, proper adapters shall be used. Locate space required to mount the DAU inside
Base Station enclosure (or close to it).
1. Ensure that easy access to the RF, Fiber, DC (back of the unit), and Network (front of the unit) connectors
is available.
2. Use provided screws to attach the DAU to the equipment rack.
4.2.2 Cables Installation
Ensure that all RF cables and attenuators used to connect Base Station to the DAU are tested and Insertion Loss
and Return Loss information logged.
Ensure continuity and quality of the optical fiber cables that connect DAU with DRUs. Conduct necessary testing
or obtain valid test data. Professionally clean the fiber connectors prior connecting to DAU optical interfaces.
Refer to Section 7.2 for optical connector cleaning procedure.
3. Connect and secure Ground wire to ground stud mounted on DAU back panel. A #6 copper wire
connected to included ring lug must be furnished by installer to provide low resistance link between the
DAU and earth ground source.
4. Connect and secure RF cables to Band1 Tx/Rx and Diversity Rx coaxial female N-type connectors, and
Band2 Tx/Rx and Diversity Rx coaxial female N-type connectors, all located on the DAU back panel.
5. Connect fiber cables to pluggable SC/APC type optical connectors located on the DAU back panel.
6. Connect and secure DC cable to the DAU DC connector provided on the back panel. The DAU is
powered by nominal + 48 VDC. This power shall be provided through a fuse panel, and protected with 5A
GMT fuse.
a. Obtain a cable with two #18 AWG insulated copper wires (colored red and black) and furnish one
end with a 2 socket female connector provided with the unit.
b. Turn DAU power switch OFF (located on the front panel)
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