Dali Wireless Transcend t43 User manual

Transcend t43™
DUAL-BAND OUTDOOR DAS
DW-010-7373-09
Installation and Operation Manual -
Preliminary
Document: DW-ML01-010-7373-09
Revision: 0-2
Date: Nov 2011
Dali Wireless (Canada), Inc.,
8618 Commerce Court
Burnaby, BC, V5A 4N6
Dali Wireless, Inc.,
125 University Ave., Suite 88
Palo Alto, CA, 94301
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Transcend t43™ Dual-Band DAS
DW-010-7373-09
Installation and Operation Manual -
Preliminary
Dali Wireless
Proprietary and Confidential
2 Rev: 0-2
Nov , 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
©2011 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 2011
Preliminary Release
0-2
November 2011
Updated unit naming and network
configuration procedure.
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Transcend t43™ Dual-Band DAS
DW-010-7373-09
Installation and Operation Manual -
Preliminary
Dali Wireless
Proprietary and Confidential
3 Rev: 0-2
Nov , 2011
0
TABLE OF CONTENTS
1Safety Precautions............................................................................................................................................ 8
2Outdoor DAS Overview .................................................................................................................................... 9
2.1 Features and Benefits ................................................................................................................................. 9
2.2 System Description.................................................................................................................................... 10
2.2.1 tHost™ Introduction............................................................................................................................ 11
2.2.2 t43™ Introduction ............................................................................................................................... 16
2.2.3 Accessories ........................................................................................................................................ 20
3Product Specification..................................................................................................................................... 21
4Instalation Procedure ..................................................................................................................................... 22
4.1 Pre-Installation procedure ......................................................................................................................... 22
4.1.1 Incoming Inspection ........................................................................................................................... 22
4.2tHost™ Installation..................................................................................................................................... 22
4.2.1 tHost™ Mounting................................................................................................................................ 22
4.2.2 Cables Installation .............................................................................................................................. 22
4.2.3 Optical Attenuator............................................................................................................................... 23
4.3 t43™ Installation........................................................................................................................................ 24
4.3.1 t43™ Mounting ................................................................................................................................... 24
4.3.2 Cables Installation .............................................................................................................................. 28
5Operation ......................................................................................................................................................... 31
5.1 Pre-Operation Procedure .......................................................................................................................... 31
5.1.1 tHost™ Installation Checkup ............................................................................................................. 31
5.1.2 t43™ Installation Checkup ................................................................................................................. 31
5.2 System Power Up ...................................................................................................................................... 31
5.2.1 Access to M&C Software Application................................................................................................. 31
5.2.2 Local Access ...................................................................................................................................... 32
5.2.3 tHost™ Network Configuration.......................................................................................................... 33
5.2.4 Remote Access .................................................................................................................................. 34
5.2.5 tHost™ Name Assignment and BTS Sector Assignment .................................................................. 34
5.2.6 t43™ Name Assignment and BTS Sector Selection.......................................................................... 36
5.2.7 Sub-band Selection ............................................................................................................................ 37
5.3 Gain Control............................................................................................................................................... 39
5.3.1 Gain Setup.......................................................................................................................................... 40
6DAS Functionality ........................................................................................................................................... 45
6.1 GUI ............................................................................................................................................................ 45
6.2 DAS Networking ........................................................................................................................................ 46
6.2.1 Simulcast Function ............................................................................................................................. 47
6.2.2 Flexible Simulcast Function................................................................................................................ 48
6.3 Monitoring, Control and Alarm Functions .................................................................................................. 50
6.3.1 Control Functions ............................................................................................................................... 50
6.3.2 Monitoring Functions .......................................................................................................................... 50
6.3.3 Alarms ................................................................................................................................................ 51
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Transcend t43™ Dual-Band DAS
DW-010-7373-09
Installation and Operation Manual -
Preliminary
Dali Wireless
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6.4 Built-In Test Functions............................................................................................................................... 52
6.4.1 Optical Loop-Back Function ............................................................................................................... 52
6.4.2 t43™ Delay Equalization Function ..................................................................................................... 52
6.4.3 M&C Communication Status – Heartbeat Function ........................................................................... 52
7System Maintanance ...................................................................................................................................... 53
7.1 Preventive Maintenance ............................................................................................................................ 53
7.1.1 tHost™ Fan Replacement .................................................................................................................. 53
7.1.2 t43™ Fan Assembly Replacement..................................................................................................... 54
7.2 Corrective Maintenance............................................................................................................................. 56
7.2.1 Field Level .......................................................................................................................................... 56
7.2.2 Headquarters Level ............................................................................................................................ 56
7.2.3Manufacturer Level............................................................................................................................. 56
8System Troubleshooting................................................................................................................................ 57
9Fiber Connectors ............................................................................................................................................ 59
9.1 Fiber Connectors Overview ....................................................................................................................... 59
9.1.1 SC Type Fiber Optic Connector ......................................................................................................... 59
9.1.2 FC Type Fiber Optic Connector ......................................................................................................... 59
9.1.3 LC Type Fiber Optic Connector.......................................................................................................... 60
9.1.4 ST Type Fiber Optic Connector.......................................................................................................... 60
9.2 Fiber Connector Cleaning Procedure........................................................................................................ 60
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Transcend t43™ Dual-Band DAS
DW-010-7373-09
Installation and Operation Manual -
Preliminary
Dali Wireless
Proprietary and Confidential
5 Rev: 0-2
Nov , 2011
0
TABLE OF TABLES
Table 2-1 tHost™ External Interfaces.................................................................................................................... 12
Table 2-2 t43™ External Interfaces ....................................................................................................................... 17
Table 3-1 Specification for Dali Dual-Band DAS, 1900-AWS, 20 + 20 W ............................................................. 21
Table 6-1 Optical Transport Data Rate Calculation............................................................................................... 49
Table 9-1 Typical performance of ceramic Ferrule ................................................................................................. 60
TABLE OF FIGURES
Figure 2-1 Dual-Band oDAS ................................................................................................................................... 9
Figure 2-2 Dali DAS System Block Diagram.......................................................................................................... 10
Figure 2-3 Dali Quad-band tHost™ Block Diagram ........................................................................................... 11
Figure 2-4 tHost™ External Interfaces – Front (Simplex and Duplex), and Back Panel ....................................... 15
Figure 2-5 Dali Dual-band t43™ Block Diagram.................................................................................................... 16
Figure 2-6 t43™ External Interfaces ....................................................................................................................... 18
Figure 2-7 t43™ Chassis ....................................................................................................................................... 19
Figure 4-1 LC Fixed Fiber Attenuator .................................................................................................................... 23
Figure 4-2 t43™ Mounted on a Pole...................................................................................................................... 24
Figure 4-3 t43™ Mounting On a Wall .................................................................................................................... 25
Figure 4-4 t43™ Mounted in the Shroud................................................................................................................ 27
Figure 4-5 Outdoor Industrial LC Adapter and LC Cable Assembly Connectors .................................................. 29
Figure 4-6 AC Power Supply Wiring Diagram........................................................................................................ 30
Figure 5-1 Local and Remote Access to DAS ....................................................................................................... 32
Figure 5-2 tHost™ Main Screen – Network Configuration...................................................................................... 33
Figure 5-3 tHost™ Network Configuration Screen ................................................................................................ 33
Figure 5-4 tHost™ Main Screen - Configuration.................................................................................................... 34
Figure 5-5 tHost™ Configuration Screen – Sector Assignment ............................................................................ 35
Figure 5-6 t43™ Main Screen - Configuration ....................................................................................................... 36
Figure 5-7 t43™ Configuration Screen – Sector Selection.................................................................................... 36
Figure 5-8 t43™ Configuration Screen Pull-Down Menus..................................................................................... 37
Figure 5-9 tHost™ Configuration Screen – Sub-band Selection ........................................................................... 37
Figure 5-10 tHost™ PCS and AWS Sub-Band Selection Screens........................................................................ 38
Figure 5-11 Sub-band Selection Warning Screen ................................................................................................. 39
Figure 5-12 tHost™ Main Screen – Attenuation Setup.......................................................................................... 40
Figure 5-13 t43™ Main Screen – Attenuation Setup ............................................................................................. 41
Figure 5-14 THost™ Main Page – UL Attenuation Setup...................................................................................... 42
Figure 5-15 t43™ main Screen – UL Attenuation Setup ....................................................................................... 43
Figure 5-16 t43™ Main Screen – Delay Compensation ........................................................................................ 44
Figure 6-1 GUI Screen Examples .......................................................................................................................... 45
Figure 6-2 DAS Networking Example .................................................................................................................... 46
Figure 6-3 Fully Populated Sector 1 tHost™ Sub-Network ................................................................................... 47
Figure 6-4 DAS Network Topology that Supports Flexible Simulcast ................................................................... 48
Figure 7-1 tHost Fan Replacement – Screws Location ......................................................................................... 53
Figure 7-2 tHost Fan Replacement – Grill Removal .............................................................................................. 53
Figure 7-3 tHost Fan Replacement – Fan Removal .............................................................................................. 53
Figure 7-4 t43 Fan Assembly Replacement – Unlocking Fan Cover.................................................................... 54
Figure 7-5 t43 Fan Assembly Replacement – Removing Fan Cover .................................................................... 54
Figure 7-6 t43 Fan Assembly Replacement – Power Connector Location............................................................ 55
Figure 7-7 t43 Fan Assembly Replacement – Thumb Screws Location................................................................ 55
Figure 7-8 t43 Fan Assembly Replacement – Fan Assembly Bracket Removal ................................................... 55
Figure 9-1 SC Type Fiber Optic Connector ........................................................................................................... 59
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Transcend t43™ Dual-Band DAS
DW-010-7373-09
Installation and Operation Manual -
Preliminary
Dali Wireless
Proprietary and Confidential
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Figure 9-2 FC Type Fiber Optic Connector............................................................................................................ 59
Figure 9-3 LC Type Fiber Optic Connector............................................................................................................ 60
Figure 9-4 ST Type Fiber Optic Connector............................................................................................................ 60
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Transcend t43™ Dual-Band DAS
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Installation and Operation Manual -
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Dali Wireless
Proprietary and Confidential
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ACRONYMS AND ABBREVIATIONS
AC Alternating Current
ACLR Adjacent Channel Leakage Ratio
ACPR Adjacent Channel Power Ratio
BTS Base Transceiver Station
CCMF Centralized Control and Monitoring Function
CCU Central Control Unit
CDMA Code Division Multiple Access
dB decibel (logarithmic ratio)
dBc decibels related to the RF carrier amplitude
dBm decibels related to 1 mW
DC Direct Current
EDGE Enhanced Data rates for Global (GSM) Evolution
E-UTRA Enhanced UMTS Terrestrial Radio Access
GSM Groupe Spéciale Mobile, Global System for Mobile communications
G/T Gain Temperature ratio
HSDPA High Speed Downlink Protocol Access
IF Intermediate Frequency
IFL Inter Facility Link
IMD Inter-Modulation Distortion
kHz kiloHertz
LPA Linear Power Amplifier
LTE Long Term Evolution
MHz MegaHertz
M&C Monitor and Control
MMI Man Machine Interface
NF Noise Figure
PCS Personal Communications Service
RF Radio Frequency
Rx Receiver
t30™ Dali 1W Remote Unit
t43™ Dali 20W Remote Unit
tHost™ Dali Digital Access Unit
TDN Temporary Deviation Notice
Tx Transmit
UMTS Universal Mobile Telecommunications System
VSWR Voltage Standing Wave Ratio
WCDMA Wideband Code Division Multiple Access
1xEVDO CDMA Evolution Data Optimized
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Transcend t43™ Dual-Band DAS
DW-010-7373-09
Installation and Operation Manual -
Preliminary
Dali Wireless
Proprietary and Confidential
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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 t43™ digital remote unit is powered by 115 or 230 VAC. To prevent electrical shock when
installing or maintaining the t43™, 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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Transcend t43™ Dual-Band DAS
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Installation and Operation Manual -
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2 OUTDOOR DAS OVERVIEW
The Dali Wireless Transcend t43™™ dual-band outdoor Distributed Antenna System (oDAS) 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 Transcend t43™™ DAS model # DW-010-7373-09 is a dual band, 1900MHz/AWS unit with 20W average
output power per band. This model number comprises a single tHost and a single t43 remote as representative of
the entire DAS system.
2.1 Features and Benefits
•Dual-band solution
•industry-leading Digital Down Conversion/Digital Up Conversion (DDC/DUC) algorithms enabling
digital signal 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
•Scalability to support current and future growth requirements
•Single fiber optic link – Wave Division Multiplexing (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
tHost™
t43™
Figure 2-1 Dual-Band oDAS
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2.2 System Description
The outdoor DAS is comprised of a tHost that is connected to the RF output of the base station, and multiple
t43™remotes located in areas that the base station signal cannot reach (gaps created by natural or manmade
obstacles, tunnels and subways, or inside large buildings) as well as 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 tHost™ with a number of
t43™s, in a star, daisy-chain (see Figure 2-1), or hybrid star/daisy-chain configuration. The t43™s can be
installed 15km to 40km away from the tHost™. Both tHost™and t43™ contain a digital processing section and an
RF processing section.
Figure 2-2 Dali DAS System Block Diagram
For bidirectional optical communication between tHost™ and t43™s over single single-mode fiber cable, SFP
optical transceivers with built in wave division multiplexing (WDM) system are used. SFP modules are supporting
data rates from 2.5 Gbps to 6.144 Gbps (dependent on the version of the DAS).
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 a Xilinx v6 FPGA.
t43
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
Tx/Rx ANT2
DL: 1930-1995 MHz
UL: 1850-1915 MHz
Tx/Rx ANT1
DL: 2110-2155 MHz
UL: 1710-1755 MHz
t43
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
BTS
AWS Band
BTS
PCS Band
tHost
Digital
Processing
RF
Processing
1900MHz
RF
Processing
850MHz
DC-DC -48VDC
to 5 VDC
uP
Ethernet
RJ45
N
f
SFP1
Fiber 1
N
f
-48 VDC (-72 to -36 VDC), or
SFP2
Fiber 2
SFP3
Fiber 3
SFP4
Fiber 4
SFP5
Fiber 5
SFP6
Fiber 6
5dB ATT
5dB ATT
Tx
BAND2
+38dBm
Tx
BAND1
+38dBm
Rx
BAND1
-90dBm
High Power
40dB ATT
High Power
40dB ATT
+42dBm
-80dBm
+42dBm
-80dBm
DL Gain: 49dB +1/-29 dB
UL Gain: 35dB +10/-20 dB
DL/UL ATT: 45 dB total
-7dBm
-7dBm
+42dBm
-80dBm
+42dBm
-80dBm
Router
E1
E2
Rx
BAND2
-90dBm
Tx/Rx ANT2
DL: 1930-1995 MHz
UL: 1850-1915 MHz
Tx/Rx ANT1
DL: 2110-2155 MHz
UL: 1710-1755 MHz
5dB ATT
-45dBm
5dB ATT
-45dBm
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Unit monitoring and control functionality is provided by proprietary software application that runs on Linux OS
supported by ARM9 microprocessor. Multi-thread operation and web server access are supported by the system.
Dali’s patented n-way modified Doherty Power Amplifier (PA) topology is used as the final amplifier stage (t43™),
providing leading edge efficiency and linearity. Linearity of the PA is further enhanced by application of CFR and
DPD algorithms.
2.2.1 tHost™ Introduction
The Dali tHost™is connected to the output of the base station via suitable attenuators, and on the other side is
connected to multiple t43™s in a star or star/daisy-chain network via single fiber optic cable.
The Dali tHost™ 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 DAS 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 quad-band, 700-850-1900-AWS tHost™
Figure 2-3 Dali Quad-band tHost™ Block Diagram
The tHost™ 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
AWS Band 2
DL: 2110-2155 MHz
DC-DC -48VDC to 5.4 VDC
-48 VDC Input
+5.4 VDC
DNC 4
UPC 4
DSP
SerDes
SerDes
SerDes
SerDes
SFP2
SFP3
SFP4
SFP6
Fiber 2
Fiber 3
Fiber 4
Fiber 5
Fiber 6
ADC
DAC
RF Processing Digital Processing
DAC DSP
1 Gb Ethernet
Router
Ethernet 1
Ethernet 2
DSP
DSP
DNC 3
UPC 3
ADC
DAC
1900 Band 2
DL: 1930-1990 MHz
DNC 2
UPC 2
ADC
DAC
DAC
DNC 1
UPC 1
ADC
DAC
Ethernet 3
ON/OFF
Switch
UL: 1850-1910 MHz
UL: 1710-1755 MHz
1900 Band 1
DL: 1930-1990 MHz
UL: 1850-1910 MHz
AWS Band 1
DL: 2110-2155 MHz
UL: 1710-1755 MHz
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2.2.1.1 tHost™ External Interfaces
The tHost 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 tHost™ external interfaces.
Table 2-1 tHost™ External Interfaces
Ref.
Designation
Connector Type
Description
Front Panel
1
POWER
DC Switch
ON : Power ON
OFF: Power OFF
2
-48VDC
2 pin DC power connector
DC interface for power cord/wires
3
REF IN
SMA female
10MHz Reference signal input
4
REF OUT
SMA female
10MHz Reference signal output
5
Remote
RJ45 female connector
Communication interface for remote access to DAS
network. Connect to upstream router.
6
Aux
RJ45 female connector
Reserved
7
Local
RJ45 female connector
Communication interface for local access to DAS
network. Maintenance PC may be attached here.
8
PWR
Yellow LED
Yellow: Unit powered
LED OFF: Unit not powered
9
RUN
Blue LED
Microprocessor operation
Blue blinking 4 sec: Boot loader Blue blinking 2 sec:
OS
Blue blinking 0.5 sec: Application
LED OFF: Problem
10
COMM
Green LED
Network Communication
Green blinking: Gateway reached
LED OFF: Problem
11
ALM
Red LED
Red blinking: Minor Alarm
Red solid: Major Alarm
12
Tx1
Green LED
Band 1 DL path
Green: Enabled
LED OFF: Disabled
13
Rx1
Green LED
Band 1 UL path
Green: Enabled
LED OFF: Disabled
14
Tx2
Green LED
Band 2 DL path
Green: Enabled
LED OFF: Disabled
15
Rx2
Green LED
Band 2 UL path
Green: Enabled
LED OFF: Disabled
16
Tx3
Green LED
Band 3 DL path
Green: Enabled
LED OFF: Disabled
17
Rx3
Green LED
Band 3 UL path
Green: Enabled
LED OFF: Disabled
18
Tx4
Green LED
Band 4 DL path
Green: Enabled
LED OFF: Disabled
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19
Rx4
Green LED
Band 4 UL path
Green: Enabled
LED OFF: Disabled
20
O1
LC/UPC simplex optical
connection
Orange LED left
Orange LED right
Single mode optical fiber interface #1
SFP mate status.
Orange: The optical transceiver has mated properly.
LED OFF: Problem
Remote synchronization status.
Orange blinking: Remote radio unit has synchronized
with host over fiber interface.
LED OFF: Fiber not connected.
21
O2
LC/UPC simplex optical
connection
Orange LED left
Orange LED right
Single mode optical fiber interface #2
SFP mate status.
Orange: The optical transceiver has mated properly.
LED OFF: Problem
Remote synchronization status.
Orange blinking: Remote radio unit has synchronized
with host over fiber interface.
LED OFF: Fiber not connected
22
O3
LC/UPC simplex optical
connection
Orange LED left
Orange LED right
Single mode optical fiber interface #3
SFP mate status.
Orange: The optical transceiver has mated properly.
LED OFF: Problem
Remote synchronization status.
Orange blinking: Remote radio unit has synchronized
with host over fiber interface.
LED OFF: Fiber not connected
23
O4
LC/UPC simplex optical
connection
Orange LED left
Orange LED right
Single mode optical fiber interface #4
SFP mate status.
Orange: The optical transceiver has mated properly.
LED OFF: Problem
Remote synchronization status.
Orange blinking: Remote radio unit has synchronized
with host over fiber interface.
LED OFF: Fiber not connected
24
O5
LC/UPC simplex optical
connection
Orange LED left
Orange LED right
Single mode optical fiber interface #5
SFP mate status.
Orange: The optical transceiver has mated properly.
LED OFF: Problem
Remote synchronization status.
Orange blinking: Remote radio unit has synchronized
with host over fiber interface.
LED OFF: Fiber not connected
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25
O6
LC/UPC simplex optical
connection
Orange LED left
Orange LED right
Single mode optical fiber interface #6
SFP mate status.
Orange: The optical transceiver has mated properly.
LED OFF: Problem
Remote synchronization status.
Orange blinking: Remote radio unit has synchronized
with host over fiber interface.
LED OFF: Fiber not connected
26
SI
DB-9 female
RS-232 Serial Interface access
27
Tx1
SMA female
Band 1 RF interface for DL signal from BTS
28
Rx1
SMA female
Band 1 RF interface for UL signal to BTS
29
Tx2
SMA female
Band 2 RF interface for DL signal from BTS
30
Rx2
SMA female
Band 2 RF interface for UL signal to BTS
31
Tx3
SMA female
Band 3 RF interface for DL signal from BTS
32
Rx3
SMA female
Band 3 RF interface for UL signal to BTS
33
Tx4
SMA female
Band 4 RF interface for DL signal from BTS
34
Rx4
SMA female
Band 4 RF interface for UL signal to BTS
Back Panel
35
GND
Ground stud
Interface for grounding unit
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Figure 2-4 tHost™ External Interfaces – Front (Simplex and Duplex), and Back Panel
Unit size (WxHxD) is: 482x45x400 mm / 19”x1.8”x15.7”
Weight: ~ 7.5 kg /16.5 lbs
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2.2.2 t43™ Introduction
The Dali t43™ 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 t43™ is connected to the tHost™ via a fiber optic link, and can be installed 15km to 40km away from the
tHost™.
The t43™ contains two optical interfaces, supported by independent optical transceivers, enabling daisy-chain
connection of multiple t43™s to reduce total fiber deployment cost and enhance architecture flexibility.
Figure 2-4 shows t43™ block diagram.
Figure 2-5 Dali Dual-band t43™ Block Diagram
The t43™ Monitoring & Control function can be performed locally using an Ethernet interface, or remotely via the
tHost™ when M&C signals are communicated over the fiber optic link.
The t43™ 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
DSP
CFR
DPD
FB_2
CPU
AWS Tx/Rx ANT
DL: 2110-2155 MHz
UL: 1710-1755 MHz
AC-DC 110/220 to +27 VDC
110/220 VAC, 50/60 Hz
+5 VDC
DC-DC
+27 to +5 VDC
+27 VDC
DNC2
DNC FB
ADC
ADC
UPC2
DAC
Fiber 1
Fiber 2
RF ProcessingDigital Processing
AMP2
DNC1
UPC1
AMP1
DSP
DAC
ADC
PCS Tx/Rx ANT
DL: 1930-1995 MHz
UL: 1850-1915 MHz
FB_1
Ethernet
LNA1
LNA2
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2.2.2.1 t43™ External Interfaces
The t43™ external (user) interfaces are located on the bottom of the unit and shown in Figure 2-6.
Table 2-2 provides description of the t43™ external interfaces.
Table 2-2 t43™ External Interfaces
Ref.
Designation
Connector Type
Description
Interface Panel
1
ANT1
N-type female 50 ohm
Band 1 RF interface for transmit and
prime receive signals to/from
antenna.
2
ANT2
N-type female 50 ohm
Band 2 RF interface for transmit and
prime receive signals to/from
antenna.
3
ANT3
N-type female 50 ohm
Band 1 RF interface for diversity
receive signals to/from antenna on
units which are configured with
support for diversity operation.
4
ANT4
N-type female 50 ohm
Band 2 RF interface for diversity
receive signals to/from antenna, on
units which are configured with
support for diversity operation.
5
FIBER1
Sealed LC/UPC duplex
optical connector
Single mode optical fiber interface
supporting up to 6 Gbps data
transfer (depending on DAS
version)
6
FIBER2
Sealed LC/UPC duplex
optical connector
Second single mode optical fiber
interface that supports daisy-chain
of t43™s
7
ETHERNET
Sealed RJ45 female
connector
Communication interface for local
access to DAS network
8
BATTERY
Sealed 2 pin connector
DC backup power input interface
9
C&M
Sealed multi-pin (19)
connector
RS-232 interface
Manufacturing use only
10
GND
Ground stud
Interface for grounding unit
11
110V/220V AC
Sealed 3 pin connector
AC power input interface
Front Side
12
PWR
Two color LED
Green: Power ON
LED OFF: No Power
13
ALARM
Two color LED
Green blinking: Status OK
Red blinking: Minor Alarm
Red solid: Major Alarm
Orange: Fiber link problem
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Figure 2-6 t43™ External Interfaces
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2.2.2.2 t43™ Mechanical Description
The t43™ mechanical assembly is comprised of an environmentally sealed chassis and variety of active and
passive electronic modules housed inside. The t43™ 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 shows remote unit chassis.
Unit size (WxHxD) is: 273x710x166 mm / 10.8”x28”x6.5”
Weight: ~ 20.5 kg / 45.1 lbs
Figure 2-7 t43™ Chassis
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2.2.3 Accessories
2.2.3.1 2x2 Optical Switch
In applications that include daisy-chain connection of t43™s, 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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