Larus 9000 E1/DS1 SPREAD SPECTRUM 5.78 GHz DIGITAL RADIO User Manual Installation Instructions 3

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Document Description	Installation Instructions 3
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Document Type	User Manual
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Date Submitted	2000-03-31 00:00:00
Date Available	2000-04-13 00:00:00
Creation Date	2000-03-29 16:39:37
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Document Title	Installation Instructions 3
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;~_~ rut: "-
Antenna Alignment 3
3.01 For the Model 9000 radio system to operate properly, the near and far ends
must be aligned as accurately as possible. Antenna alignment requires two
persons who are able to communicate with each other, one at the near end
and the other at the far end.
3.02 You will need these tools to align the antennas:
- Binoculars or the equivalent (if the far end is more than one-half mile
distant).
- High-powered (9.9. 600 watt) spotlight for night visibility or a mirror for
daytime to flesh the path.
t Walkie-talkie portable radios or cellular phones (for communicating with
the far end).
' Common wrenches and sockets:
7/16 inch socket/nut driver
7/16 inch open-end wrench
9/16 inch deep socket
9/16 inch open-and wrench
3/4 inch socket
3/4 inch open-end wrench
0 Approved and inspected safety equipment for climbing aloft.
A DANGER:
Wear approved and inspected safety equipment when climbing alolt on
any antenna tower or other antenna-mounting location where there is a
risk of falling.
ALWAYS work with a line tender on the ground who can summon aid
if you’ere injured.
Lerus 80-600-281 Issue 1. September 1999 3-1
Larus 80-600-281
Issue 1, September 1999
Follow these steps to align the near-end and far-end antennas:
Using a local map, determine the proper direction to point the antenna.
2. Check that both teedhorns are horizontally polarized (there is a "zero"
indication on the feed that should be turned so that it is on the side of
the feed at both ends).
3. Verify that the paeudorandom number (PNS) codes are properly set to
ensure communlcations.
4. Turn on power to both the near-end and far-end systems.
5"
If using walkie—telkie radios or cellular phones, establish communication
with the tar and.
@ NOTE:
Monitor the automatic gain control (AGE) voltage at the front panel local
DB-9 connector. A strong receive level Is 1 Vdc. a weak level is 2 Vdc.
This is not real time.
6. Observing all safety precautions, including a line tender on the ground,
climb to the antenna.
7. Loosen the antenna adjustment bracket just enough to allow the
antenna to be swung back and forth in the azimuth plane and elevation
plane.
8. Loosen the antenna securing bracket just enough to allow the antenna
to be swung up and down (refer to Figure 3-1).
9. Have your assistant at the far end turn on his/her spotlight and aim it
toward you (refer to Figure 3~2l or flash the path with a mirror.
10. Aim the antenna as close to the light as possible.
11 Have your assistant check the monitor at the far end for minimum AGC
voltage.
TIP:
The beamwidth ol the typical Model 9000 antenna is around 3.25“ to
the 3 dB points on the main lobe. Because the 9000 will not operate
if the antenna is aimed more than 4° off “boresight,” visually point the
antenna as close as possible even after obtaining a minimum voltage
reading.
Section 33 Antenna Alignment
(continued)
12. Instruct the far end to perform the same procedure.
13. Reedjust the near—end and fer—end antennas for a minimum reading on
the voltmeter.
14. Tighten the antenna's securing and adjustment hardware. Make
certain that the mounting is sufficiently rigid to assure alignment
accuracy under maximum expected wind loading.
The Model 9000 is now ready to be tested for acceptance. Instructions
follow in Section 4 and also appear in Lerus Practice 80-100-281, the
QuadHoppar" Model 9000 System Description.
Larus 80-600~231 Issue 1, September 999 3-3
Larus 80-600-281
Issue 1, September 1999
Antenna swlng Range
50°
.,_‘_
mounting lor /
lnven antenna
50' range
below horizon
U~Bolls
Azimuth
Adjustmenl
Screws
Elevation
Pivot
Elevation
Adjustment
Rod
— Azimuth
Adiu stmenl
Clamp
Antenna Polmlnu Requirement
Beam centeriine must be
accurate wilhin 14°
(vertical and horizontal)
Figure 3-1. Typical Positioning of Parabolic Dish Antenna
3-4
Section E} nAngennu Alignment
_¢_
Aim high-powered I: -
spotlight along
path of antenna
Figure 3-2. Aiming Antenna
Larus 80-600-281 Issue 1. September 1999 3-5
This page is intentionally left blank"
Radio System Acceptance end Turnup 4
The Model 9000 has. two built-in tests which can be run from a terminal
connected to the LOCAL part. These tests make installation checkout and
acceptance testing easy to do without additional test equipment.
Instructions for running each of the tests follow. Each procedure presumes
that a terminal is connected to the local virtual data circuit port on the
Control Module.
@ NOTE:
Call Laws Customer Service if the results from either test indicate a
failure. If Test 2 fails. check to make sure the radios have power, the
antennas are aligned, and the despreader codes are correctly set at each
and. if problems with Test 2 persist, contact Larus Customer Service at
1~800~999~9946.
A CAUTION:
Running the field diagnostic tests with live traffic in operation will cause
loss of traffic during the test sequence.
Heconiiguring the system while live traffic is up will cause loss of traffic
during the reconfiguration sequence.
Test 1: E1/DS1 Loopback
Test 1 verifies the El or 051 connections to the Model 9000 by sending
a signal through the circuit to the near-end digital signal crossconnect
(DSX), the E1/DS1 interface, and monitoring the return path for the same
signal (refer to Figure 4-1). For the test to operate, the E1/DS1 signal at
the near end muet be looped back at the customer's E1 or 051 equipment.
This test can be done at the same time at both the near and tar ends.
Larus 80-600-281 Issue 1, September 1999 4-1
Larus 80v600—281
Issue 1, September 1999
EllDS1 Control Module RF Module
Test
Sequence
Transmitter
Virtual Data Connection
Figure 4-1. E1/DS1 Loopback Test
4‘12 To run Test 1 from the VT-100 or compatible terminal connected to one of
the local virtual data circuits ports, perform these steps:
1. At the DSX, loop back each of the receive E1 or D51 lines from the
9000 to the transmit lines to the 9000
2. Run Test L If an error is indicated, check wiring from the Control
Module and customer equipmenti
Test 2: End-to-End Path Continuity
421 Test 2 verifies end-to-end periormance of the Model 9000 radios‘ This test
loops the signal through the multiplexer/demultiplexer (muldem) in both the
near~end and far-end radios (refer to Figure 4~2). It must be done first from
the near end, then from the far end. This procedure does not test the
E1/DSl interface at either end.
Section 4 - RedioSystem Acceptance and Turnup
51081 cm Module RF Module RF Module Control Module E1081
Figure 4-2. Near-end to Far-end Loopback Test
4.22 To run Test 2 from a VT-100 or compatible terminal connected to one of
the virtual data circuit ports, perform these steps:
1 At the DSX, loop back each of the receive E‘l or D51 lines from the
9000 to the transmit lines to the 9000.
2. If near-end and far-end DSX Ioopback is not possible, a Model 9021 E1
or 051 Test Interface is available for testing (refer to Figure 4-3).
3. Run Test 2. If any errors are reported, check each El/DSl line. If all
lines are reporting errors, check for interference or other problems.
4. If no errors are reported, the equipment is ready to carry traffic.
Larus 80-600—281 Issue 1 September 1999 4-3
Larus 80-600-281
Issue 1. September 1999
Figure 4-3. Model 9021 E1/DS1 Test
Interface
Checklists 5
5.01
If you have not completed the Site Planning/Preparation Worksheet in Larus
Practice 80-801-281, fill in the following checklist BEFORE installing the
Model 9000. ll you have already completed the preparation worksheet,
continue with the installation checklist beginning on page 5-&
5.1 Pre-installation Checklist
5.11
Path Survey
Is the path less than 15 miles? El Yes D No
For a given distance, the height of the antenna must be sufficient to clear
all obstacles in the path. Consult the table below.
For a path of: Height at each end for antenna:
CI 1 mile D 25 feet
D 2 miles E 33 feet
Cl 4 miles 0 50 feet
D 8 miles D 75 feet
0 15 miles E! 120 feet
@ NOTE:
Contact Lams Corporation If the distance is greater than 15 miles.
Distance from near end to far end
The radio transmission path crosses:
El between close buildings El a parking lot
D town D residential area El other (describe)
Larus 80600481 Issuel September 999 5-1
Larus 80-600-281
Issue 1, September 1999
5.12 Interference Survey
D Within the whole spectrum of operation
D High tension lines.
D Sodium or mercury vapor arc lamps in the first Fresnel zone. (The
Fresnel zone is the distance from the transmitter to any point on the
shell and on to the receiver.)
D Industrial area. Watch for high energy sources (eg airports, radio
pagers, weather radar).
D Polarization-dependent interference. If present. is it from the low or
high part of the band?
D Other antennas near or in the radiation aperture
— frequency
— power
MW: Jaw: My“ irmN rn:
D Deciduous trees
D Evergreen trees
D Radio or electrical line towers
D Tall buildings
D Airport flight path
D Hills
D Valleys
D Water
D Roof obstruction, metal
D Metal roof
D Other (describe)
5-2
5.12
5.13
Section 5 - Checklists
(continued)
How many of the following are in view?
El Homes El Factories
D Businesses D Apartment buildings
(This helps characterize the potential for interference from microwave
ovens.)
Anv radio or radar signals detected between 5.78 GHz and 5,845 SH: in
the proposed Model 9000 path?
Frequencies:
Bandwidth: _ Average power: Peak power:
Signal strength: Measured at:
Location:
Directivity:
El In line with path El Crosses path
Type of Signal:
Cl Intermittent (radar, pager, etc. Cl Continuous (telemetry, data link, etc
Locetlon of sources (if known):
Unpacking Model 9000 Equipment
Unpacking location:
El Receiving dock El Telephone equipment room
Other:
Larus 80~600-281 Issue 1, September 1999 5-3
Larus 80-600-281
Issue 1. September 1999
5 4 Equipment Room Requirements
Does the site have power? D Yes D No
Does the site have a place to install the Model
9000 assembly and peripheral equipment? D Yes D No
Access to E110513 within 655 feet? D Yes D No
Adequate air conditioning or ventilation? D Yes D No
Telephone line connection available? D Yes
Electrical support required: D -24/—48 Vdc D 120 Vac
D 220 Vac D ACI—24/-48 Vdc
converter
D Convenience outlets
Cable routes for customer connections to the Model 9000:
D Primary power
D E1IDS1 signals
D Telephone line
Equipment room adequately lighted per
local code requirements? D Ya:
5.15 Outdoor Requirements
Does the site have power? D Yes
Does the site have a place to mount an antenna? D Yes D No
Does the site have grounding locations, bars,
pipes. etc? D Yes D No
Antenna mounting mast fixture:
If not a 3- to 4-inch wide vertical pipe, what is it (angle, etc.l?
5-4
Section 5 — Checklists
5.15
5.18
(continued)
Roof mounting:
0 Will the roof support the weight? D Yes D No
ls there legal and physical access to the roof? D Yes
0 Permission to be at that location (permits, etc.)
or to make modifications? D Yes D No
Are extra lightning protection measures
necessary for the location? D Yes D No
Clear, unobstructed view of far end? D Yes
0 Close to high voltage lines (100 kVi,7 D Yes D No
0 Is this a hostile environment? D Yes D No
Route for the RF unit to antenna cabling:
Route for waveguide when distance from antenna to RF unit is greater than
8 feet (see Figure 25):
Cable run bulkhead through holes available
for the RF unit to antenna cabling
(minimum diameter 3 inches)? D Yes
CO-to-Customer E1/051 Service Link
fiatistagtgrv Unsatisfactory
Error-free seconds objective of 98.7% D D
Availability objective of 99.7%
Larus 80-600-281 lssue 1 September 1999 5-5
Larus 80-600-281
issue 1, September 1999
Installation Checklist
5.201 Use this checklist to check Off (1) each of the installation tasks as you
complete it. You can find information and instructions for the tasks as
referenced.
Receiving Equipment
Refer to subsection 1.1 for instructions.
(3
Carefully check unpacked and inventoriad equipment against the
packing Iistlsl.
Check for damage incurred during shipment.
Notify transfer company regarding shipping damage, if any.
Save and store packing materials and shipping containers for reuse.
Installing and Connecting Model 9000
Collect the required tools (subsection 2.2).
Mount the Model 9000 assembly where instructed in the installation
plan.
Connect plant battery to the Model 9000 shelf (paragraph 2.41). A
minimum 14-gauga wire is recommended. Do not install fuses or apply
power at this time.
Connect Model 9000 shelf alarm outputs to facility alarm equipment
(paragraph 2.42).
Connect the E1 or 051 lines to the Model 9000 shelf connector P4
(paragraph 2.43).
Ground the Model 9000 (paragraph 2.44).
Connect a VT-100 (or compatible) terminal or terminal emulator to the
Control Module for local maintenance access to the equipment
(subsection 2.8).
$ection 5 - Checklists
5.22 (continued)
El
El
Connect the interface cable from the controller to the RF unit (paragraph
2.302).
Mount the antenna on the mast or tower (paragraph 2.302).
Connect the coaxial cable (mm the RF unit to waveguide and the
waveguide, in turn, to the antenna (Figure 2—5).
Ground the waveguide (Figure 28).
Power on the maintenance terminal and set its data parameters, i.e.
rate. bits, start, stop, and parity (subsection 2.6).
5.23 Initial Configuration
E]
Check -24/—-48 Vdc battery plant, wiring, and frame ground before
installing fuse in fuse panel or turning power on. A 5 amp fuse is
recommended.
Check EIIDSI wiring.
Check that the antennas are pointed visually close to the transmission
path and that the polarization fiduciary marks are either UP/DOWN
(vertical polarization) or RIGHT/LEFT (horizontal polarization).
On the LOCAL CONFIGURATION screen at the maintenance terminal,
verify that the pseudorandom number (PNS) codes are correct for
full-duplex transmission and reception end-to-end.
The PNS codes are assigned as pairs of DIFFERENT numbers and are
SWAPPED from end to end. The near-end station might use 200 as the
RECElVE PNS and 201 as the TRANSMIT PNS. In this case, the far-end
settings must be 200 for the TRANSMIT and 201 for the RECEIVE PNS.
If the codes must be changed, type HELP PNS and follow the
instructions on the screen.
Using the LOCAL CONFIGURATION screen at the maintenance terminal,
check the EI/DSI channel programming.
The LINE EQUALIZE (line buildout) distance and REPORT ALARMS
status may need to be changed from the factory defaults of 0 to 133
feet and NO EI/Dsl Alarm Report.
(continued)
Larus 80-600281 Issue 1 September 1999 5-7
Larus 80-600—281
Issue 1, September 1999
(continued)
To change the default setting:
El
E!
Type HELP E1 or HELP 081
Select each of the options for the first E1/DSl channel.
Enter the next E1/DS1 channel and repeat the process for ell four
channels.
5.24 “Power Application
m has:
A WARNING:
Do not power up unless the antenna system is connected, Extended
operatlon into an unterminated connection can cause damage to the
equipment.
D Apply electrical power.
El As the system powers up, observe the DESPREADER LOCK alarm
condition occurring at both ends. (It may take 2 to 3 minutes for the
units to clear this alarm.)
D Observe the next alarm, UNFRAMED ERROR. Wait for the UNFRAMED
ERROR to clear.
El The final alarm is BER EXCEEDED. After the BER EXCEEDED alarm
clears, the units are in operation.
El Finish pointing the antennas and rotating feeds for LOWEST AGC
voltage, as relayed via the PC or modern interface.
El If the unit will not clear the DESPREADER LOCK condition, check the
PNS codes and refer to the PNS verification step in paragraph 5.23
above.
If the unit still will not lock. contact Larus.
Section 5 - Checklists
5.24 (continued)
El The expected AGC voltage for the path should be part of
pre-installation information. (Refer to paragraph 3.03.)
If this is not available, contact Larus for the calibration of these units.
A larger voltage indicates that the antennas may not be pointed
correctly, the feeds may be misaligned, or an object may be
blocking the path.
If the voltage is lower than expected, a source of interference may
be present
5.25 Configuration of Local and Remote Consoles
El Select the desired LOCAL baud rate on the CRT (or PC, laptop, etc.
Set for 8-bit characters, no parity, 1 step bit.
El Connect the terminal to the front panel LOCAL port using the
appropriate cable with wiring as shown in Figure 5-1 or Figure 5-2.
El Apply power to the terminal and press the ENTER key a few times.
There should be a prompt of "—>
D If not, check the baud rate settings and verify that the cable is wired
correctly.
El If the cable is incorrect, try using a null modern adapter on one end of
the cable
if all else fails, contact the factory.
Larus 80600-281 Issue 1 September 1999
Larus 50-600-281
Issue 1, September 1999
LOCAL port CRT or PC
(DB-9 female) DTE (DB-25 male)
pin pin
1 DCD CGND 1
2 RXD - - TXD 2
3 TXD RXD 3
4 DTR RTS 4
5 SGND\ 01's 5
e DSR \ DSR e
7 RTS SGND 7
a CTS 000 s
9 RI DTR 20
Figure 5-1. LOCAL Port Cable Wiring (B-pin to 25-pin)
LOCAL port PC
DTE (DB-9 female) DTE (DB-Qfemale)
pin pm
1 000 D00 1
2 RXD \< RXD 2
3 TXD - TXD 3
4 DTR DTR 4
5 SGND SGND 5
6 DSR DSR 6
7 RTS v RTS 7
B CTS - 000 8
9 Rl RI 9
Figure 5-2. LOCAL Port Cable Wiring (9-pin to 9-pin)
Section 5 — Checklists
5.26 Modem Setup
To set up the modern, you will need to use the system console attached to
the LOCAL port (refer to paragraph 5.25),
Because setting up the modem can be a difficult process, it is strongly
recommended that this be done BEFORE putting the 9000 system into
service.
El Select the modern baud rate using the HELP PORT command at the
console.
On-Iine HELP can be accessed if the manual is not available.
@ more:
The back panel 9-pin IRS-232 connector marked REMOTE is wired for
DTE connection. It uses the RI, 000. DTR/DSR. and RTSJCTS modem
statue signal so a cable with all at these signals is required.
El Connect the modem to the REMOTE port using a cable with wiring
similar to that depicted in Figure 5-3.
REMOTE port MODEM
DTE (DB-9 male) DCE (DB-25 male)
pin pin
1 000 D00 8
2 RXD RXD 3
3 TXD TXD 2
4 DTR ————-——-——-— DTR 20
5 SGND SGND 7
6 DSR —-——————-————- DSR 6
7 RTS ————-—————-———— RTS 4
8 CTS CTS 5
9 RI RI 22
Figure 5-3. REMOTE Port Cable Wiring (S-pin to 25-pin)
(continued)
Larus 80-600-281 Issue , September 1999 5-11
Larus 80-600-281
Issue 1, September 1999 m3:
ea==a========
5.26 (continued)
I] Apply power to the modem.
5-12
El
El
At the LOCAL console, use the XCON command to gain "transparent"
access to the modem.
Anything you type at the console will be sent to the modern and
anything received from the modem will be displayed on the screens
Type AT followed by the ENTER or Carriage Return key.
If the modem responds with ”OK”. then everything has been done
correctly.
@ NOTE:
The modem must be set for DCD lData Carrier Detect) to "follow" the
state of the telephone carrier. This is necessary so that the beginning
and end at a call can be detected.
In addition. the modem must be set to use the D’I‘RIDSR handshake to
determine that the modem is plugged in and powered up The modem
must also be set to use the RTSlCTS handshake for flow control.
(E) NOTE:
The Model 9000 does not support XON/OFF protocol. Some modems
come with factory defaults set the wrong way
D At the LOCAL console, execute the MODEM commend end review the
default data strings for modern initialization, answer mode, and dial-out.
Compare them with the documentation for your modern but do not
make adjustments at this time. (The default strings should work with
a wide veriety of modems.)
If you wish to use the 9000 to place calls to the far-end 9000, enter
the telephone number for the tar-end system at this time.
El If you will be receiving calls to the 9000, you may wish to change the
security password using the PASSWD command.
The next time that power to the 9000 is cycled, the modem should
initialize properly and be ready to initiate and receive calls,
. :S5ction 5 - Checklists
5.27 Troubleshooting
El If there are problems, try changing the REMOTE port baud rate. Use
the XCON command to access the modern as described above.
@>\ NOTE:
Some modems come from the factory configured to respond at only one
baud rate but may be reconfigured to auto-detect the DTE baud rate,
El
If this fails, use the DTE command at the LOCAL console to manipulate
the RTS and DTR signals at the REMOTE port to try to force the modem
to respond.
El
If the modern has special initialization requirements, enter them into the
initiation string using the MODEM command
[3
If your local telephone company uses pulse dialing instead of tone
dialing, you will have to modify the dial~out string.
If all else fails, remove the modern and attach it to a personal computer.
Attempt to configure it using any available modem software.
Any modern that conforms to the industry de facto standard Hayes Modem
AT Command Set should be able to operate correctly.
@ NOTE:
The ideal modem for use with the Model 9000 should have some
nonvolatile memory so that it will "remember" its configuration. In
addition, a modem that supports a DTE baud rate up to 57,600 baud will
allow higher throughput at the REMOTE port.
The remote access feature has been tested with the following modems:
Practical Peripherals PM144MT Data/FAX Modern
Telebit TraiIBIazer Plus T2000
Telebit WorldBlazar T3000
Larus 80-600-281 Issue 1, September 1999 5-13
[This page is intentionally left blank.]
544
Larus 8045004281
lssue 1, September 1999
6.03
(continued)
e. Larus also reserves the right to make product improvements without
incurring any obligation or liability to make the same changes in
products previously manufactured or purchased. In no event shall Larus
be liable for any breach of warranty in an amount exceeding the net
selling price of any defective product. No person, including any dealer,
agent, or representative of Laws, is authorized to assume for Larus any
other liability on its behalf except as set forth herein. Non-payment of
any invoice rendered within the stated payment terms automatically
cancels any warranty or guarantee stated or implied. If any payment is
due Lerus for services performed hereunder, it shall be subject to the
same payment terms as the original purchase.
i. Except for the express warranties stated herein, Larus disclaims all
warranties on products furnished hereunder, including, without
limitation, all implied warranties of merchantability and fitness, and the
stated express warranties are in lieu of all obligations or liabilities on the
part of Larus arising out of or in connection with the performance of the
products.
Repaired Products and Repair Parts
Products repaired within the warranty period continue to be warranted to
the end of that period or for 90 (ninety) days, whichever is longer. Repair
work done on products repaired outside the warranty period is warranted
against defects in workmanship and material for a period of 90 (ninety)
days.
Products and Components Manufactured by Others
For products or components not manufactured by Larus, the original
manufacturer's warranty shall be assigned to the purchaser to the extent
permitted and is in lieu of any other warranty, expressed or implied. For
warranty information on a specific product, a written request should be
made to Larus.
NOTE: Features and specifications are subject to change without notice
Equipment lssue nformation 7
7.01 Practice 80-600-281, Issue 1 applies to the following equipment:
Emulation Emflm Eguipmgnt |§§Q€
RF Module, High Freq th and Low 020-02106-000
Freq Rev, plus 4 x E1 Control Module
RF Module, Low Freq th and High 020-02107-000
Freq Flcv, plus 4 x E1 Control Module
RF Module, High Freq th and Low 020-02106v001 (N/A)
Freq Rcv, plus 4 x 081 Control
Module
RF Module, Low Freq th and High 020-02107-001 lN/A]
Freq Hov, plus 4 x D31 Control
Module
Spare RF Module, High Freq th and 007-02078-000 1
Low Freq Flcv
Spare RF Module, Low Freq th and 007-020784001
High Freq Rcv
Modern Board, 4 x E1 007-01794-000 1
Modern Board, 4 x D51 007-01794-001
Power Supply Board 007-02068-000 1
Control Module, 4 x E1 007-02079-000 1
Control Module, 4 x DS1 007-02079—001 1
(continued)
Larus 80600-281 Issue 1, September 1999 7~1
Larus 80-600281
issue 1, September 1999
10.01 (continued)
EanLMndel
Installation Kit. RF/Controller 00702109-000 1
Assembly mounted in 19" or
23" rack
Antenna Jumper Cable 041-021 10-XXX
DS1 Single-ended Route Diversity 5702 List 1 1,2,3,4
Switch Circuit Pack
RouteSwitch“ 12-slot, 19" shelf 5702 List 3 2
Cable with N—tvpe Connectors, RF 7509 List 3
Module to Waveguide. 3 feet
Frequency Translator, 5.7 GHz 9020 List 0 1
051 Test Interface (Test Adapter) 9021 List 0
E1 Test Interface (Test Adapter) 9021 List 1
NOTE: Contact Larus Sales for special antenna mounting arrangements, lightning
protection, and custom installation.
Extended Service Agreements:
Lerus SmartService 7100 List 0
Larus SmartService Plus 7100 List 1
Laws On-Site SmartService 7100 List 2
Lerus SmartService Training 7100 List 3

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