LinkNet UniServ Unit (USU)
RF – FIBER Interface Modules
Installation, Oper a
Installation, Operation,
Installation, Oper aInstallation, Oper a
Maintenance and User Manual
Maintenance and User Manual
Maintenance and User ManualMaintenance and User Manual
DCM000000104 Rev Q
September 2005
tion,
tion, tion,
© 2005 Powerwave Technologies Incorporated. All rights reserved.
Powerwave Technologies, and the Powerwave logo are registered trademarks.
This Powerwave product is intended only for installation in a RESTRICTED
ACCESS LOCATION and is designed to operate within the Normal Operating
(typical operating) ranges or conditions specified in this document. Operation of
this equipment beyond the specified ranges in this document may cause:
1. Spurious emissions that violate regulatory requirements.
2. The equipment to be automatically removed from service when maximum
thresholds are exceeded.
3. The equipment to not perform in accordance with its specifications.
It is the Operator's responsi bility to ensure this equipment is proper ly installed and operated
within Powerwave operating specifications to obtain proper per formance from the equipment
and to comply with regulatory requirements.
Warnings, Cautions, and Notes
Warnings, Cautions, and Notes
Warnings, cautions, and notes are found throughout this manual where applicable. The
associated icons are used to quickly identify a potential condition that could result in the
consequences described below if precautions are not taken. Notes clarify and provide additional
information to assist the user.
Warning
This warning symbol means danger. You are in a situation that could
cause bodily injury. Before you work on any equipment, be aware of the
hazards involved with electrical and RF circuitry and be familiar with
standard practices for preventing accidents.
Caution This caution symbol mea ns reader be caref ul. In this situation, the user
might do something that could result in equipment damage or loss of
data.
Note This note symbol means reader take note. Notes contain helpful
suggestions or references to material not covered in the document.
Procedures are not contained in notes.
DCM000000104 Rev Q
i
Revision Record
Revision Record
Revision Letter Date of Change Reason for Change
P July 2005 Converted Kaval Rev 15 to Powerwave Format
Q 22 September 2005 Updated with US700PS
ii
DCM000000104 Rev Q
TABLE OF CONTENTS
Chapter 1 - Theory of Operation
1 Introduction....................................................................................................................1-1
1.1
1.1.1 Typical Application........................................................................................................... 1-1
1.2 M
1.3
2 Introduction....................................................................................................................2-1
2.1
2.2 US R
3 Introduction....................................................................................................................3-1
3.1 C
3.1.1 US Remote Module Connections .................................................................................... 3-2
3.1.2 User I/O Connection ........................................................................................................ 3-3
3.2 H
3.3 F
4 Introduction....................................................................................................................4-1
4.1
4.2 B
4.3
4.4
T
HEORY OF OPERATION
............................................................................................................................1-2
ODELS
T
YPICAL BLOCK DIAGRAM
.....................................................................................................1-1
...................................................................................................1-3
Chapter 2 - Mounting
LNKFIB-H03
EMOTE MODULES
LNKFIB-04 H
AND
.......................................................................................................2-1
Chapter 3 - Connections
ONNECTIONS
EADEND TO REMOTE INTERCONNECTS
IBER OPTIC CONNECTIONS
...................................................................................................................3-1
Chapter 4 - Remote Module
P
OWER FOR THE REMOTE MODULE
ATTERY BACKUP OF REMOTE MODULE
M
ODULE SPECIFICATIONS
R
EMOTE MODULE PER-CARRIER DERATING
...................................................................................................4-2
EADEND MODULES
...........................................................2-1
..............................................................................3-4
...............................................................................................3-4
.....................................................................................4-1
..............................................................................4-1
........................................................................4-3
Chapter 5 - Operation
5 Introduction....................................................................................................................5-1
5.1 O
PERATION
........................................................................................................................5-1
5.1.1 Fault Indications...............................................................................................................5-1
5.1.2 Configuration and PC Commands................................................................................... 5-1
5.2 G
5.3
AIN ADJUSTMENTS
S
IGNAL LEVEL ADJUSTMENTS
...........................................................................................................5-2
.............................................................................................5-2
Chapter 6 - Antenna Installation
6 Introduction....................................................................................................................6-1
6.1
6.2 FCC I
A
NTENNA INSTALLATION
NFORMATION TO USERS
.....................................................................................................6-1
............................................................................................6-1
Chapter 7 - Laser Safety
7 Introduction....................................................................................................................7-1
7.1 L
ASER SAFETY
...................................................................................................................7-1
Chapter 8 - Return For Service
8 Introduction....................................................................................................................8-1
8.1
8.1.1 Obtaining An RMA ...........................................................................................................8-1
8.1.2 Repackaging For Shipment............................................................................................. 8-1
8.2 P
R
ETURN FOR SERVICE PROCEDURE
ARTS AND ACCESSORIES
...................................................................................8-1
..................................................................................................8-1
DCM000000104 Rev Q
ii
i
Table of Contents
TABLE OF FIGURES
Figure 1 Typical Application ......................................................................................................... 1-1
Figure 2 Typical Block Diagram.................................................................................................... 1-3
Figure 3 US Remote Modules......................................................................................................1-4
Figure 4 US Remote Modules Mounting ......................................................................................2-1
Figure 5 Power Supply Module and Mounting ............................................................................. 2-2
Figure 6 LNKFIB-H03/H04 Headend Module (Fr ont)................................................................... 3-1
Figure 7 LNKFIB-H03/H04 Headend Module (Re ar)....................................................................3-1
Figure 8 LNKFIB-H03/H04 Headend Modul e Drawin g ( Rear) ..................................................... 3-1
Figure 9 US Remote Module Connections................................................................................... 3-2
Figure 10 ASY00420 DB15 Breakout Kit ..................................................................................... 3-3
Figure 11 Remote Module (Rear View)........................................................................................ 3-3
TABLE OF TABLES
Table 1 Available Models and Descrip tio ns .................................................................................1-2
Table 2 Module Specifications...................................................................................................... 4-2
Table 3 Per-Carrier Derating ........................................................................................................ 4-3
iv DCM000000104 Rev Q
Chapter 1
Theory of Operation
1 Introduction
This manual contains information and procedures for installation, operation, and maintenance of
the LinkNet Uniserv Unit RF-FIBER Interface Modules. The manual is organized into the following
chapters:
Chapter 1 Theory of Operation Chapter 5 Operation
Chapter 2 Mounting Chapter 6 Antenna Installation
Chapter 3 Connections Chapter 7 Laser Safety
Chapter 4 Remote Module Chapter 8 Return for Service
1.1 Theory of Operation
The USU RF to Fiber Modules provides a single-band link from a Headend distribution center to
multiple local antennae. RF signals are distributed over a pair of single mode fiber optic distribution
lines to each USU Remote.
Each Headend module can interface to multiple remote modules, the number depending upon the
Headend model.
The Headend modules do not
Note! The remote module fiber optic I/O's are band specific, but the Headend fiber optic I/O's are not;
the Headend I/O's may be used for any band.
1.1.1 Typical Application
A typical installation would be....
transmit directly out into the air.
SMF = S ingle- Mode O pti cal Fiber
Any required
Amplif iers, Filters,
RF Cable
to/from
Base Statio n (s)
RF Cables
Couplers, Etc.
Head -End Mo dule
Head-End Module
Head -End Mo dule
Head -End Mo dule
Head -End Mo dule
HEAD-END DISTRIBUTION CENTER
USU RF to Fib e r
Remote Modules
Th e se m ay be s ingl e or
multiple units, and are
usua lly gr ouped on fl oors
of a building, mounted in
Electric al Rooms.
SMF
SMF
SMF
SMF
SMF
SMF
SMF
SMF
SMF
SMF
REM O T E LOCA T I ONS I N BUI LDI NG
Figure 1 Typical Application
RF Cable
RF Cable
RF Cable
RF Cable
RF Cable
In-Building
An te n nae
Refer to Antenna
Ins tal la tio n Se cti on
DCM000000104 Rev Q
1-1
Models
1.2 Models
Table 1 Available Models and Descriptions
MODEL DESCRIPTION
Wall, shelf, or rack mounted remote module that connects to
US800TP
USU Remote
Module
US800C
USU Remote
Module
US900P
USU Remote
Module
US1900P
USU Remote
Module
US1800G
USU Remote
Module
US900G
USU Remote
Module
US700PS
USU Remote
Module
Note that for each model above there is a model with a "-2" suffix. These extra
models have separate Rx and Tx RF Ports instead of a combined transceiver
(antenna) port.
US-PS01
LNKFIB-H03
Headend Module
LNKFIB-H04
Headend Module
the single mode fiber optic distribution line and provides a
single duplex antenna RF distribution connection. This
model covers 800MHz Trunking / iDEN / Public-Safety
Services
(806-824 MHz / 851-869 MHz).
As above, but this model covers 800MHz Cellular Services
(824-849 MHz / 869-894 MHz)
As above, but this model covers 900MHz Paging Services
(896-902 MHz / 928-941 MHz)
As above, but this model covers 1.9GHz PCS Services
(1850-1910 MHz / 1930-1990 MHz) .
As above, but this model covers 1.8GHz GSM Services
(1710-1785 MHz / 1805-1880 MHz) .
As above, but this model covers 900MHz GSM Services
(890-915 MHz / 935-960 MHz).
As above, but this model covers 700MHz GSM Services
(764-776 MHz in DL / 794-806 MHz in UL).
Power supply for 1 US remote module.
This is a 1U high, 19" rack-mount module providing low
signal level interfacing between Headend RF modules and 8
pairs of single mode fiber optic distribution lines. The 8 fiber
optic pairs are in two groups of four, with the RF connections
combined inside the module in those groupings.
This is a 1U high, 19" rack-mount module providing low
signal level interfacing between Headend RF modules and 4
pairs of single mode fiber optic distribution lines. The RF
connections for the 4 fiber optic pairs are combined inside
the module.
1-2
DCM000000104 Rev Q
Typical Block Diagram
1.3 Typical Block Diagram
Micro-Controller
Circuitry
CAN Interface RS232 Interface
To Head-End To P C
Fault Relay
Power Supply
120 / 240 VAC
120/240 VAC
Green Power On LED
Red Fault LED
RF O u t " A "
RF I npu t "A"
RF O u t " A "
RF I npu t "A"
Ph oto d etectors & PreAmps
W it h UpLink Gain Control
Pre Am p
Ph oto d etectors & PreAmps
W it h UpLink G ain Control
Pre Am p
Laser Diode
Laser Diode
SM F .O . In
(PIN Diodes)
SM F.O. Out
(Lasers)
SM F .O . In
(PIN Diodes)
SM F.O. Out
(Lasers)
Figure 2 Typical Block Diagram
In the LNKFIB-H03 Headend module, the eight fiber optic pairs are in two banks (A & B) of four, with
the RF connections combined inside the module in those groupings. The LNKFIB-H04 is identical, but
with one bank of four removed.
Each of the groups of four consists of a single RF Input feeding a single Laser Transmitter split optically
to four fiber optic outputs. The four matching fiber optic Inputs each go to their own photodiode receiver,
followed by a 0 to -15dB digitally controlled attenuator providing uplink gain control. The RF signals
from the four digital attenuators are combined into a single RF output.
The group of four RF input and output combining inside the module alleviates the need for external
combining / splitting.
DCM000000104 Rev Q
1-3
US Remote Typical Block Diagram
Figure 3 US Remote Modules
The US series remote modules have a fiber optic transceiver pairs, downlink and uplink filtering,
and a downlink RF power amplifier.
1-4
DCM000000104 Rev Q
Chapter 2
Mounting
2 Introduction
This chapter contains mounting information for the LinkNet Uniserv Unit RF-FIBER Interface and
Remote Modules.
2.1 LNKFIB-H03 and LNKFIB-04 Headend Modules
These headend modules are intended for mounting in standard 19” racks.
2.2 US Remote Modules
The US remote modules may mount upon horizontal or vertical panels made of either wood or
metal. If mounted on vertical panels, they must be mounted
electrical connections do NOT face either up or down. The Remote Modules are secured with six
mounting screws or bolts as shown...
sideways
so that the fiber optic and
Figure 4 US Remote Modules Mounting
DCM000000104 Rev Q
2-1
Power Supply Module and Mounting
The US-PS01 power supply is a combination of a modular switching power supply and a
mounting bracket, also intended to mount upon horizontal or vertical panels made of either wood
or metal.
Figure 5 Power Supply Module and Mounting
2-2
DCM000000104 Rev Q
Chapter 3
Connections
3 Introduction
This chapter contains connection information for the LinkNet Uniserv Unit RF-FIBER Interface
Modules.
It is important to perform the following:
• Carefully read all material in this chapter prior to equipment installation.
• Review any government and local codes as they apply to your installation.
3.1 Connections
Figure 6 LNKFIB-H03 Headend Module (Front)
Figure 7 LNKFIB-H03 Headend Module (Rear)
The LNKFIB-H03 Headend has two downlink RF Inputs providing the signal for eight downlink optical
outputs arranged as groups of four, "A" and "B". It also has eight uplink optical inputs, combined in two
groups of four, providing RF outputs "A" and "B". The RF and optical connections are all on the rear
panel. The group of four RF input and output combining inside the module alleviates the need for
external combining / splitting.
Figure 8 LNKFIB-H03 Headend Module Drawing (Rear)
The CAN, RS232, and Fault Relay Interface connections are all on the front panel. Their
connections are;
RS232 Connection:
The RS232 Port is for interfacing to a PC via a Null-Modem DB9 female to female cable,
and operates at 9600 baud, 8 bits, no parity, and 1 stop bit. It is a 3-wire connection.
DB9 Pin #
2 RS232 Receive
3 RS232 Transmit
DCM000000104 Rev Q
Signal
5 Ground
3-1
US Remote Module Connecti ons
User I/O Connection:
This Connection is via a standard 15-pin female D-Sub connector on the side of the
enclosure...
DB15 Pin #
1 CAN High
9 CAN Low
8 CAN Common (Ground)
3 Fault Relay Common
2 Fault Relay - Closed for Fault
4 Fault Relay - Open for Fault
The Form-C Relay is rated at 30 VDC @ 1 Amp or 30 VAC @ 0.5 Amp.
Refer to the DCM000000103 CAN Wiring Guide.
Signal
3.1.1 US Remote Module Connections
Figure 9 US Remote Module Connections
The Remote Module has 1 or 2 SMA RF connections..
RF Xcvr: For the normal (non -2) models there is a single RF transceiver port
used to connect to a distributed indoor antenna system.
RF Tx & Rx: For the 2-Port (-2) models there are RF transmit and receive ports
used to connect to external filtering and combining, then to a
distributed indoor antenna system. Consult Powerwave for details.
Fiber-Optic Ports: There are two SC/APC single mode fiber optic connections for cabling
to the Headend.
RS232 Connection: There is a RS232 connection via standard 9-pin female D-Sub connector.
It is wired as;
DB9 Pin #
1 DCD in 6 DSR
2 Transmit 7 CTS in
3 Receive 8 RTS out
5 Ground 9 RI in
RS232 is for interfacing to a PC via a straight-through DB9 male to
female cable, and o perates at 96 00 baud, 8 bits, no p arity, and 1 s top
bit.
Signal
USB Connection: To use the USB port on the USU, a virtual COM port driver must first be
installed using the driver CD-ROM shipped with the USU. This virtual CO M
port driver will create a new COM port that will use the next available port
number. For example, if your PC has two COM ports, the virtu al COM port
driver will create a COM 3 port. F ollow the ins tructions on th e CD to insta ll th e
driver.
3-2
DCM000000104 Rev Q
User I/O Connections
3.1.2 User I/O Connection
This is a standard 15-pin female D-Sub connector.
DB15 Pin #
1 CAN High
9 CAN Low
8 CAN Common
2 Fault Relay - Closed for Fault
3 Fault Relay – Common
5 Fault Relay - Open for Fault
6 +28 VDC at up to 0.5 Amp
7 Ground
10 Aux. In #1 (contact to ground)
11 Aux. In #2 (contact to ground)
12 Aux. In #3 (contact to ground)
13 Aux. Out #1 (open collector)
14 Aux. Out #2 (open collector)
15 Aux. Out #3 (open collector)
The Form-C Relay is rated at 30 VDC or 30 VAC @ 0.5 Amp. The auxiliary lines are under custom
software control. Refer to the DCM000000103 CAN Wiring Guide.
Note! The ASY00420 DB15 Breakout Kit may be ordered to bring the User I/O connections
out to screw terminals for easy wiring.
Signal
Figure 10 ASY00420 DB15 Breakout Kit
This 4" x 4" board mounts onto four 3.5" x 3.5" #6 locations, and includes a 6' DB15 to DB15
cable.
At the rear of the remote unit are the power and battery connections...
Figure 11 Remote Module (Rear View)
DCM000000104 Rev Q
3-3
Headend to Remote Interconnections
3.2 Headend to Remote Interconnects
The single mode fiber optic interconnections between the Headend and Remote modules are to be
made in whatever manner suits the system configuration. For the CAN Network connections please
refer to DCM000000103.
3.3 Fiber Optic Connections
• All Fiber Optic Cabling must use 9/125 or similar Single-Mode (yellow jacketed) high-
quality cable. This cable should typically have less than 0.5 dBo (optical dB) insertion loss
per kilometer.
• The cable manufacturer's
• Most Powerwave products use SC/APC connectors. Note that the "APC" is critical. These
are
angle-polished connectors
• Fiber-O ptic Patc hcords should be avoided;
reflections.
• Fiber-Optic Connectors, both on cables and equipment, should always have their dust
caps in place when not in use. The connector tips must be kept clean and scratch free,
and should always be cleaned properly before being connected.
• Optical Reflections back into laser diodes cause a disturbance in the lasers gain cavity
creating noise and distortion. An OTDR or other fiber optic instruments should be used to
check optical reflections. Fiber optic return loss should be less than -50 dBo.
• There is a 2 to 1 Relationship between optical loss and RF loss. One dBo (optical dB) of
optical loss corresponds to 2 dB of RF loss.
minimum bend radius
and are required to reduce reflections.
must be observed.
Fusion-Splices
are preferred to reduce
3-4 DCM000000104 Rev Q
Chapter 4
Remote Module
4 Introduction
This chapter contains specifications and information for the LinkNet Uniserv Unit RF-FIBER
Remote Modules.
4.1 Power for the Remote Module
The US remote module may be powered by any source of negative ground +28VDC power
capable of delivering 1 Ampere. This includes the optional single US remote module US-PS01
power supply.
4.2 Battery Backup of Remote Module
If the US remote module is being used without a battery it must be configured to NOT use a
battery. Without a battery the USU will shut down or reset with any disruption to the AC power.
When power is re-established the system will restart automatically. External batteries may be
connected using the CAB000000055 Battery Cable. The USU has a built-in battery charger that
will automatically recharge the attached battery.
Refer to DCM000000102 "Battery Backup Manual"
For Battery Backup purposes:
Vbat = 24 VDC Ic = 0.1 Ampere Id = 0.75 Ampere
.
DCM000000104 Rev Q
4-1
Module Specifications
4.3 Module Specifications
Table 2 Module Specifications
Frequency Bands
Maximum Downlink Power
Maximum Uplink Powe r
Combined at any Headend RF Output.
Includes the 4-way combiner loss.
Downlink Gain
from Headend to the Remote Module
Antenna Port, assuming 0dB Fiber-Optic Link
Downlink Gain Ripple
Uplink Gain
from Remote Module Antenna Port to Headend,
assuming 0dB Fiber Optic Link
Uplink Gain Ripple
Max RF Input without Damage
To Headend Units
Uplink Noise
at Headend Unit from any Remote Module Antenna
Port assuming 0dB Fiber Optic Link
Isolation
Duty Cycle
Spurious Outputs
Optical Power Level
Optical Path Loss
Group Delay
Connectors
Headend Module Power Supply Requirement s
Remote Module Power Supply Requirements
US-PS01 Power Supply Requirements
Configuration Options
Operating Temperature Range
Operating Humidity Range
Headend Module Size & Weight
Remote Module Size & Weight
FCC Identifiers
Industry Canada Certifications
+38 dBm IP3 Min. iDEN/Cell/Page/GSM900/700PS
(see Remote Module Carrier De-Rating Chart)
+4 dBm IP3 Min., iDEN/Cell/Page/GSM900/700PS
+20 to +35 dB for 700-900 MHz Bands
+20 to +32 dB for 700-900 MHz Bands
Consult Powerwave Engineering Services
-20 dBm max per Remote Module Antenna Port
Laser Warning:
from optical connector. Avoid direct exposure to
beam. 150 mW max. @1300nm. Class IIIb. Product
complies with 21 CFR 1040.10 and 1040.11.
<2uS,
28 VDC from external Power Supply, 0.75A Max
and 24VDC "Gell-Cell" Battery Backup Option
Either via the USU network and a Gateway Module,
or via a PC and an RS-232/USB Connection.
1U High 19” Rack Unit, 14" Deep, 16 lbs Max
2.75” High, 9.25” Wide, 11” Deep, 6 lbs Max
70mm(H), 235mm(W), 280mm(D), 2.7Kg Max.
FCC: H6M-US800TP FCC: H6M-US800C
FCC: H6M-US900P FCC: H6M-US1900P
IC: 1541A-US800TP IC: 1541A-US800C
IC: 1541A-US900P IC: 1541A-US1900P
Refer to Model Chart
+36 dBm IP3 Min. for PCS, GSM1800
0 dBm IP3 Min., PCS/GSM1800
(7 to 12dB higher for LNKFIB-H01)
+20 dB after Gain Adjustment
Typical range before Gain Adjust is
+20 to +31dB for 1.8-1.9 GHz Bands
(See Gain Adjustments)
+/- 3.5 dB over entire Band
+20 dB after Gain Adjustment
Typical range before Gain Adjust is
+20 to +32dB for 1.8-1.9 GHz Bands
(See Gain Adjustments)
+/- 3.5 dB over entire Band
+10 dBm
< -130 dBm/Hz
(with Uplink Gains Balanced)
(depends upon Headend Filtering)
Continuous
when operated as per Derating Chart
Invisible Laser Radiation emitting
2 dBO Maximum
NOT
including Fiber Optic Link
SC/APC Fiber Optic , SMA (5 0 Ω) RF
D-Sub, USB, Data & Control
120/240 VAC, 50/60 Hz,
75 VA Typical, 90 VA Max.
120/240 VAC, 50/60 Hz,
30 VA Typical, 70 VA Max.
-20 to +50
5 to 90% RH, Non-Condensing
o
C
4-2
DCM000000104 Rev Q
Remote Module Per-Carrier Derating
4.4 Remote Module Per-Carrier Derating
All signals that fall within a given Pass-Band range will “share” power amongst them. A multiple
channel effect is intermodulation, signals produced from non-linear effects between the intended
channel signals. This intermodulation may cause interference to receiving equipment. In order to
minimize intermodulation signals, power de-rating must be applied. In the USA there are FCC
Intermodulation Specifications published in the EIA Standard PN2009. Further derating is also required
to maintain the integrity of complex digital communications signals. The table below gives the maximum
per channel output levels allowed as a function of the number of channels. Note that depending on the
actual input levels, the gain may need to be reduced to comply with the above regulations.
The figures shown are to the nearest dB.
Table 3 Per-Carrier Derating
iDEN / Cellular / Paging/GSM900/700PS
(effective IP3 = +38dBm)
1.9 GHz PCS/1.8GHz GSM
(effective IP3 = +36dBm)
Number of
Carriers
1 +24 +17 +24 +17 1 +15 +15
2 +15 +15 +18 +18 2 +13 +16
3 +14 +13 +18 +18 3 +11 +16
4 +13 +11 +19 +17 4 +9 +15
5 +12 +9 +19 +16 5 +8 +15
6 +11 +8 +19 +16 6 +7 +15
7 +10 +7 +18 +15 7 +6 +14
8 +9 +6 +18 +15 8 +5 +14
9 +8 +5 +18 +15 9 +4 +14
10 +7 +4 +17 +14 10 +3 +13
15 +5 +2 +17 +14 15 +1 +13
20 +3 0 +16 +13 20 -1 +12
25 +2 -1 +16 +13 25 -2 +12
30 +1 -2 +15 +13 30 -3 +12
Power per
Carrier per
Antenna
Port (dBm)
FM Dig FM Dig Digital Digital Digital
Total Power
per Antenna
Port (dBm)
Number of
Carriers
Power per
Carrier per
Antenna
Port (dBm)
Total Power
per Antenna
Port (dBm)
Note! The above levels are shown for both FM and Digital (CDMA, TDMA,
GSM, & iDEN) Signals for 700-900 MHz, and Digital only for 1.9 GHz
PCS/1.8 GHz GSM. Some combinations may require additional Derating.
Consult Powerwave Technologies Inc. for further information.
DCM000000104 Rev Q
4-3
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4-4
DCM000000104 Rev Q
Chapter 5
Operation
5 Introduction
This chapter contains operational and standard safety information for the LinkNet Uniserv Unit
RF-FIBER Interface Modules .
5.1 Operation
Normal operation for both USU Headend and Remote modules:
POWER / OPERATING - GREEN when the module is operating.
•
FAULT – Red if the internal diagnostics detect a problem.
•
LASERS ON - GREEN when any one of the lasers are operating.
•
5.1.1 Fault Indications
Each module continuously performs internal diagnostics. If a problem is detected it will activate its
Red Fault LED and Fault Relay. Faults detected include;
• Over Temperature.
• Misc. Internal Faults.
Detailed faults are detected by the optional Gateway Module. Details may also be determined via
an RS232 connected Terminal Emulator using the LIST command.
5.1.2 Configuration and PC Commands
It is possible to re-configure modules in the field, either with a personal computer (PC) or via the
optional LinkNet Gateway Module. To use a PC it is necessary to connect the DB9 RS-232/USB
connector on the module to a standard DB9 RS232/USB connector on the PC. On the PC a
terminal emulation program such as
module. The settings are 9600 baud, 8 bits, no parity, and 1 stop bit. Commands are one or two
words followed by pressing Return. Commands may be given in upper or lower-case. Available
commands are listed below for each module.
HyperTerminal
is used to communicate to the LinkNet
Headend Modules:
ACCESS USER: Required as a simple password to gain access to customer settable
HELP or ?: Displays a list of Available Commands.
LIST: Displays Current Settings and Status Faults, Etc.
VER: Display the current Version of Software.
ENABLE 1 or 0: Enables or Disables the Module.
DIGATTN x yyy: Displays or Sets the Uplink Gain Reduction yyy, which is in tenths of a
x = 0 is for Uplink Optical to RF Path A1
x = 1 is for Uplink Optical to RF Path A2
x = 2 is for Uplink Optical to RF Path A3
x = 3 is for Uplink Optical to RF Path A4
x = 4 is for Uplink Optical to RF Path B1
x = 5 is for Uplink Optical to RF Path B2
x = 6 is for Uplink Optical to RF Path B3
x = 7 is for Uplink Optical to RF Path B4
DCM000000104 Rev Q
parameters and diagnostics; This times-out after 10 minutes, and may
have to be retyped.
dB. The Optical to RF Path being set is x, which is;
5-1
Configuration and PC Commands
Remote Modules:
ACCESS USER: Required as a simple password to gain access to customer settable
HELP or ?: Displays a list of Available Commands.
LIST: Displays Current Settings and Status Faults, Etc.
VER: Display the current Version of Software.
ENABLE 1 or 0: Enables or Disables the Module.
DLGATTN ###: Displays or Sets the Downlink Gain Reduction, which is in tenths of a dB.
Please consult Powerwave Technologies Inc. for further support.
parameters and diagn ostic s; T his will tim e- out after 1 0 m inutes, and m a y
have to be re-typed.
5.2 Gain Adjustments
Gain adjustment is necessary to compensate for the variations in the fiber optic components of the
Headend and Remote modules. This must be done after modules are deployed in a system, and
anytime a module is replaced. The adjustments are on an individual RF path basis, and each path is
adjustable downwards in 1dB steps up to -15dB.
It is recommended that these adjustments be performed with the aid of a Signal Generator and
Spectrum Analyzer.
Uplink Gain:
The uplink gain is adjusted at the Headend module on an individual RF path basis. Please refer to the
Headend DIGATTN commands in the Configuration and PC Commands secti on. All DIGA TTN
values are set to 0 (Maximum RF Gain). While monitoring the RF gain via measurements, the
individual gain paths are adjusted downwards with the DIGATTN command to meet the specified gain.
This will optimize/balance both gain and noise.
Downlink Gain:
The downlink gain is adjusted at the remote module an individual RF path basis. Please refer to the
remote DLGATTN commands in the Configuration and PC Commands section. All DIGATTN values
are set to 0 (Maximum RF Gain). While monitoring the RF gain via measurements, the individual gain
paths are adjusted downwards with the DLGATTN command to meet the specified gain. This will
optimize/balance both gain and noise.
5.3 Signal Level Adjustments
Signal level adjustment is necessary to ensure that the downlink RF carriers transmitted via the remote
modules are not generating undesired intermodulation products, nor are they being distorted beyond
use. Refer to the earlier section on Remote Module Per-Carrier Derating.
It is recommended that these adjustments be performed with the aid of a Signal Generator and
Spectrum Analyzer, and that they be done AFTER the gain adjustments.
Adjust the downlink interface amplifiers and/or attenuators between the base stations and the Headend
modules (see the Typical Application drawing) to achieve the specified derated per-carrier level.
Uplink signals should be monitored as they feed into the base station, this is usually a site specific
requirement.
5-2
DCM000000104 Rev Q
Chapter 6
Antenna Installation
6 Introduction
This chapter contains antenna installation and warning information for the LinkNet Uniserv Unit
RF-FIBER Interface Modules .
6.1 Antenna Installation
All Antenna installation to be performed by qualified technical personnel only.
•
• Antenna installation instructions and locations below are for the purpose of satisfying
FCC RF Exposure Compliance requirements.
• The In-Buildin g Anten na or Ante nnae connection is via a coaxial cable distribution system
connected to the fixed-mounted
wavelength (0 dB Gain) types. These antennae are to be installed such that no person
can touch the antenna, or approach within 0.2 Meters.
Indoor Antennae
ANTENNA INSTALLATION
CAUTION
Please consult Powerwave Technologies Inc. for assistance as required.
ALL ANTENNA INSTALLATION IS TO BE PERFORMED BY QUALIFIED TECHNICAL PERSONNEL
ONLY.
ANTENNA INSTALLATION INSTRUCTIONS AND LOCATIONS ARE FOR THE PURPOSE OF
SATISFYING FCC RF EXPOSURE COMPLIANCE REQUIREMENTS, AND ARE NOT OPTIONAL.
ALL IN-BUILDING ANTENNAE INSTALLATIONS MUST BE SUCH THAT NO PERSON CAN TOUCH
THE ANTENNAE, OR APPROACH CLOSER THAN 0.2 METERS.
. The
Indoor Antennae
are simple 1/4
6.2 FCC Information to Users
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 install ed and used in ac c ordanc e with the ins tr ucti on 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.
CHANGES OR MODIFICATIONS NOT EXPRESSLY APPROVED BY POWERWAVE
TECHNOLOGIES INC. COULD VOID THE USER’S AUTHORITY TO OPERATE THE EQUIPMENT.
DCM000000104 Rev Q
CAUTION
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6-2
DCM000000104 Rev Q
Chapter 7
Laser Safety
7 Introduction
This chapter contains laser safety information for the LinkNet Uniserv Unit RF-FIBER Interface
Modules.
7.1 Laser Safety
•
CAUTION – use of controls or adjustments, or performance of
procedures other than those specified herein may result in
hazardous radiation exposure.
•
This laser product is certified as a CLASS I laser product to the requirements of the
US Federal Product Performance Standard for Laser Products contained in the
regulations in 21 CFR Subchapter J. Class I laser products are not considered to
be hazardous.
•
This laser product incorporates a Class IIIb laser module, which generates levels of
invisible laser radiation that may be hazardous. However, this machine
incorporates protective housing and optical fibers in the machine design such that
there is no exposure or human access to laser radiation when the product is
properly installed.
•
All optical output connections to the LinkNet Uniserv Unit (USU) must either have
an optical fiber connected or be capped.
•
UNDER NO CIRCUMSTANCE shall attempts be made to operate this system
without the optical fibers connected or with caps removed from the optical output
connectors.
•
All service to the LinkNet UniServ Unit (USU) shall be performed by Powerwave
Technologies Inc. service personnel, their authorized agents, or personnel trained
by Powerwave Technologies Inc.
DCM000000104 Rev Q
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7-2
DCM000000104 Rev Q
Chapter 8
Return for Service
8 Introduction
This chapter contains return for service and parts & accessories information for the LinkNet
Uniserv Unit RF-FIBER Interface Modules.
8.1 Return For Service Procedure
Please contact Powerwave Technologies Inc. for a copy of the Standard Product Warranty. When
returning products to Powerwave Technologies Inc., the following procedures will ensure optimum
response.
8.1.1 Obtaining An RMA
A Return Material Authorization (RMA) number must be obtained prior to returning equipment to
the factor for service. Please contact our Repair Department at +1 (714) 466-1000 to obtain this
number, or FAX your request to +1 (714) 466-5816 or mailto:RMA@PWAV.COM
obtain this RMA number may result in delays in receiving repair service.
8.1.2 Repackaging For Shipment
To ensure safe shipment of the amplifier, it is recommended that the original package designed
for shipping the amplifier be reused. If it is not available, contact Powerwave Technologies Inc.
Customer Service Department for packing materials.
. Failure to
8.2 Parts and Accessories
Parts and accessories for the LinkNet UniServ Unit RF-FIBER Interface Modules may be purchased by
contacting Powerwave Technologies Inc. at 1-888-PWR-WAVE. When ordering a replacement part,
please provide model number, serial number and software version number.
DCM000000104 Rev Q
8-1
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