Larus 9000 E1/DS1 SPREAD SPECTRUM 5.78 GHz DIGITAL RADIO User Manual sYSTEM dESCRIPTION 2

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Document Description	sYSTEM dESCRIPTION 2
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Date Submitted	2000-04-01 00:00:00
Date Available	2000-04-13 00:00:00
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1, by
Technical Specifications 6
6.06
Frequency:
5.730 to 5.774 GHz Rx/Tx
5.801 to 5.845 GHz Tx/le
Bit Hats:
4 x 2.048 Mbps (8.192 Mbps), E1
4 x 1.544 Mbps (6.176 Mbps), DS1
Voice Channel Capacity:
Pulse code modulation (PCM) 120, E1; 96, D51
Adaptive delta pulse code
modulation lADPCMl 240, El; 192, D81
Applicable standards ITU‘T 6.703, FCC Part 15.247,
RSS»21O
Frequency Reference:
Type Crystal locked loop
Frequency stability 120 ppm
Transmitter Output Power:
+27 dBm l520 MW)
Transmitter Intermediate Frequency:
140 MHz
Receiver Intermediate Frequency:
70 MHz
Modem:
Modulation 1GQAM, spread spectrum
Interface Line Code HDB3, E1; alternate mark inversion
lAMIl or bipolar eight zero substitution
lBBZS), D81
Bit error rate (BER) 10” @ —82.5 dBm
Modulation Spreading > 10.0 dB
Power Requirements:
~20 to —60 Vclc @ 100 watts (typical)
Maximum Allowable Noise on Power Supply:
Complies with Bellcore TR-TSY-000752, Issue 1, October 1989.
Larus 804100-281 Issue 1 September 1999 6~1
Larus 80-100-281
Issue 1, September 1999
6.11
613
Environment:
Operating Temperatu
Storage Temperature
re -40° C to +75° C
—55° C to +85“ C
Operating Relative Humidity 0 to 95 %, noncondenslng
Storage Relative Humidity 100 %
Diagnostics:
Alarms
Status Points
Loopbacks
ElA—ZSZD
Mechanical:
Dimensions
Weight
Tx RF/Rx RF summary, automatic gain control (AGC)
mux, Tx/Rx data, power supply, BER threshold, alarm
indication signal (AIS), Tx/le summary
AGC volts, volts DC, Data I/O
Data local/remote, individual E1/DS1s and 8 Mbps
Maintenance Interface, 1200, 2400, 4800, or
9600 bps
16“W x11"D x 7"H
35 lbs typical
Operating Instructions 7
Operation of the Model 9000 radio system consists of interpreting visual
indicators of system status and, as necessary, reconfiguring operating
parameters. This section describes the system's panel indicators and
features. It also contains procedures for reconfiguring and testing the
system and for putting a radio system into service
7.1 Controls and Displays
The Model 9000 Control Module has indicators on its front panel that
provide status information both for normal operation and to assist in failure
analysis. Maintenance ports are also located on the unit. Refer to
Figure 7-1. Controls and indicators include the following:
Maintenance port DB-QS connector (craft interface to a terminal)
Digital signal crossconnect (DSX) line buildout (LBO)
E1/DS1 alarm notification
Maintenance data port baud rates
Bit error rate (BER) tolerance
Alarm cutoff (ACO) pushbutton switch for current audible alarm relay
closures (major and minor)
0 Indicators for Normal operation (green), Major Alarm (red), Minor Alarm
(yellow), Near End fault (Yellow), Far End fault (yellow), ACO (yellow),
and Power (green)
' Built-in modem dial-up
7.102 A second maintenance port DB-QS connector on the controller's rear panel
(Figure 7-2) offers a remote maintenance connection to the Model 9000.
Option Settings
7.111 The configurable options of the radio system are accessible through the
local and remote H5-232D maintenance ports.
Larus 80-100-281 Issue 1, September 1999 7-1
Issue 1, September 1999
Larus 30-100-281
6:5... E2". >3Ewmm< E=EEoQEm éfi 9:9".
®
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Eilq‘lllililll-E
7-2
Section 7 — Opgrating Instructions
3:9... an: >_nEwmm< E=o==ooim .N.~. 059".
g ____.________ ____
7-3
September 1999
Issue 1
Larus 80-100-281
Lerus 80‘1 00~281
Issue 1, September 1999
Wm
7.12
7.121
7.122
7.123
Alarm Indicators
The Model 9000 generates a major alarm whenever a detectable fault
occurs that affects service (i.e., interrupts traffic). It generates a minor
alarm whenever a fault occurs that does not interrupt traffic.
In addition to the front panel alarm indicators, the Model 9000 provides
Form A relay dry contact closures on the rear panel for customer use for
alarm forwarding. Four sets of contacts are available, two for a major
alarm (visual and audible) and two for a minor alarm (visual and audible).
The ACO pushbutton on the Model 9000 opens the relay contacts, turning
off the current audible alarm relay only. Visual alarm indicators remain on
and the visual relay contacts remain closed until the current alarm is
cleared. The ACO light emitting diode (LED) remains on until the alarm
condition is cleared.
@ NOTE:
Model 9000 operation Is transparent to all Information transmitted on the
customer‘s E? or 081 inputs; therefore. only the loss of an input E1/DS1
signal will generate an El or 051 alarm.
7.2 Reconfiguration
7.201
7.202
7-4
A CAUTION:
Fleconfignring the system while live traffic is up will cause loss of traffic
during the reconfiguration sequence.
The operational parameters for the Model 9000 can be changed by the
operator at any time through the maintenance ports on the device.
Procedures are described below. Note that, when changing the receive and
transmit PNS codes, specific steps must be followed to prevent losing the
radio data link.
The local and remote maintenance ports provide a traditional command line
interface to the Model 9000 resident firmware. This includes several report
screens detailing the system configuration, alarm history log, complete
system operational status, and online help. in addition, the local port
includes support for modern configuration by connecting to a far-end Model
9000. The remote port can service an incoming modem call after the
security password verification procedure is completed.
Section 7 ;,Qperating Instructions
7.21 Terminal Operating Instructions
7.211 The remote and local [RS-2320 ports are used with VT-100 or equivalent
terminals to review all of the feature settings, make changes to the
settings, and review the alarms end the status of the system.
7.212 Typing HELP followed by [ENTER] or carriage return displays the commend
choices shown below.
ALARMS Update status of all Alarm Conditions
BER T=x Set Bit Error Rate Threshold: x - OFF or 4 to 9 as in
'10E-x'
CONFIG Display current configuration
DATE [mm/dd/YY] Display or set the data (type: ‘HELP DATE' for
explanation)
LIU Configure single line interface (type: 'HELP LIU' for
explanation)
FDT T=x Start/stop a Field Diagnostic Test: at = OFF or 1 or 2)
HELP Display (this) list of commands
HISTORY Display log of most recent alarms
INFO [text] Enter an information text string of up to 40 characters
PNS Set the PNS codes (type: 'HELP PNS' for explanation) _
PORT P=x B=y Set Port Baud Rate (type: 'HELP PORT' for explanation)
RESET Download the current configuration defaults
SID [text] Enter a Station ID. text string of up to 20 characters
STATUS Display system status information
TIME [hhzmm:ss]> Display or set the internal clock: hourszminuteszseoonds
7,213 Typing ALARM followed by [ENTER] updates the alarm status. The screen
appears as follows.
- > alarms
Alarms update in progress.
Larus 80400281 Issue 1 September 1999 7-5
Larus 80-100-281
Issue 1, September 1999
7.214 The BER command sets the threshold for the bit error rate
-> bert=6
BER Threshold: 1E-6
7.215 Typing CONFIG displays a configuration similar to the following at the near
end.
i -> config
1 LOCAL CONFIGURATION: I“ indicates default E1)
Station ID: < Use SID to set this field>
< Use INFO to set this field>
E1 Line C_o_d_e LinLeqLaumion Report Alarms
1 " HDB3 1 (0 -> 133 ft.) Yes
2 HDBB 1 (0 ->133ft.1 No
3 HDB3 1 (0 ->1331t.) No
4 HD53 1 (O ->133ft.1 No
Baud Rates: Local = 9600 Remote = 9600
PNS Codes: Receiver = 200 Transmitter = 201
BER Threshold: 1E-3
NOTE: In this example, the far-end PNS codes would be the reverse:
Receiver = 201 and Transmitter = 200.
7.216 Both the day of the week and current date are set from the ‘HELP DATE‘
command.
~> help date
Date Tue, 1046-99 08:24:43 Enter New Date as ‘Day-of-Week MM»DD»YY'
7~6
Section 7 — Operating instructions
7.217 The CONFIG screen displays the current configuration. Use the LIU (line
interface unit) command to set or reconfigure the El or DSl features.
Typing HELP LIU calls up a screen similar to the following.
-> help LlU
‘ Configure a single El (081) channel
Format: E1(DSllA=w C=x E=y L=z
Where: w Alarm Notification: Y or N
x Default E1 (051) channel for current and
subsequent El (051) commands: 1, 2, 3 or 4
y Lina Equalization value: 1, 2, 3, 4 or 5
1 Line Code selection: HDBa (AMI, BBZS)
7.218 The FDT T=x command gives access to the two diagnostic tests described
in subsection 7.4. A test is started by assigning the number of the test in
place of the "x" (e.g. T=2). The test is stopped by typing T= ’ or T = —.
-> fdt T= ’
: Field Test: 
Lerus 80-100-281 Issue 1 September 1999 7-7
Larus 80-100-281
Issue 1, September 1999
7.219 A historical log of alarms is retained in the system‘s memory. Typing
HISTORY brings up a display of the most recent alarms.
-> history
Station ID: abc labs Report of: Tue, Sep 7, 1999 08:25:31
Alarm Started: Ended: Src: Description:
09-7-99 07:55:56
09-7-99 07:11:57
09-7-99 02:37:36
09-6-99 22:22:31
09-7-93 07:56:21
09-7-99 07:12:18
09-7-99 02:38:08
09-5-99 22:22:56
FE: Despreader Lock failure
NE: Despreader Lock failure
FE: Despreader Lock failure
FE: Despreader Lock failure
09-6-99 18: 09—6-99 18:39:28 FE: Despreader Lock failure
09-6-99 ‘ 09-699 18:20:18 NE: Despreader Lock failure
‘ 09-6-99 09-6-99 17:01:37 FE: Unframed Error
I 09-6—99
09~6~99 09-689 13:02:38 FE: Despreader Lock failure
09-6v99 09-63-99 12:38:57 FE: Unframed Error
09-6-99 09-6-99 12:37:09 FE: Unframed Error
09-6-99 09-15—99 12:32:47 FE: Unframed Error
09-6-99 12: 8:21
09-699 12:18:02
09-6-99 12:
09-6-99
I_
09-6-99 12:18:27 FE: Unframed Error
09-6-99 12:18:08 FE: Unframed Error
09-6-99 12:11:57 FE: Unframed Error
09-6-99 12:11:38 | FE: Unframed Error
| I
I I
I I
I I
I |
I I
| 09-6-99 15:36:39 | FE: Despreader Lock failure
I I
I I
I I
I I
I |
I I
II I
7.2110 Text entered on the INFO screen is selected by the user to further identity
or classify the installation site. It appears on each screen thereafter as the
second line of the Station ID.
‘ —> info
Information: hi tx
Reventer the command followed by a text string
of up to 40 characters for general information:
7-8
Section 7 — Operating Instructions
7.2111 The PNS screen displays the PNS codes as the»l are currently set. The
HELP PNS command, which calls up the screen below, explains how the
codes can be changed.
- > help pns
Set the PNS codes for Receiver and Transmitter
Format: PNS R=x T=y
Where: x = Receiver PNS code: integer from 1 to 256
y Transmitter PNS code: " " " " “
Or: PNS SWAP Swap the current PNS codes
7.2112 The current settings for the port baud rate are shown on the PORT screenr
These parameters can be changed from the HELP PORT screen belowl
—> help port
Set the Local or Remote Console port baud rate
Format: PORT P=x B=y
Where: x
port: Llocall or Rlemote) [optional]
baud: 1 =1200, 2 = 2400, 4=4800, 9 = 9600, 19 =19.2K
Larus 80-100-281 Issue 1, September 1999 7-9
Larus 80-100-281
Issue 1. September 1999
7.2113 The POWER screen displays the dates and times when the system's power
was turned on and off.
‘ -> history power
Station ID: abc labs >
Report 01: Tue, Sep 7, 1999 08:27:05
Power On: Power Off:
Tue, Aug 31, 1999 15:31:31 |
Mon, Aug 30, 1999 17:26:20 | Tue, Aug 31, 1999 15:51:19
Mon, Aug 30, 1999 17:21:45 I Mon. Aug 30. 1999 17.26:11
7.2114 The RESET command downloads data as the system is currently
configured.
— > [0801
Downloading configuration done.
7.2115 The installation site or Station ID is entered from the SID command. The
text then appears on the report screens a: the first line of the Station ID.
l -> sid
l Station ID: abc labs
‘ Pie-enter the command followed by a text string of up
to 20 characters to uniquely identify this station.
7-10
Section 7 — Operating Instructions
-—===
7.2116 The current condition of the system is displayed on the STATUS screen.
- > status
Field Test in progress: < none>
Outstanding Near-End Alarms: 
Near-End Far-End
Despreader C/N: +1.26 + 1.40
Demodulator AGC: +0.62 +0.57
Receive IF AGC: + 1.12 + 1.76
+ 5 volt power supply: + 5.02 + 5.00
+15 volt power supply: + 15.00 + 15.00
-15 volt power supply: —14.87 44.98
Estimated BER: < 1 E9 <1ES
Station power—on: Tue, Aug 31, 1999 15:31:31
7.2117 The system's internal clock is set from the TIME command.
-> time
Tue, Sep 7, 1999 08:27:26 Enter New Time as 'HH:MM:SS' in 24hr format
7.22 Setting Maintenance
7.221 All settings are maintained in nonvolatile memory where they are not
affected by power failure.
7.222 Units shipped from the factory have default settings that must be changed
upon installation to the required settings for that site. A record should be
kept of these settings so that they may be restored if they are changed b,
mistake or a piece of equipment is replaced.
Larus 80-100-281 Issue 1. September 1999 7-11
Larus 80-100-281
lssue 1, September 1999
Field Diagnostic Tests
7.301
7.302
7.401
7.402
7.411
During operation, the Model 9000 continually runs built-in tests
approximately once a second to monitor its 'health.' If faults are detected
during these tests. alarm circuits light the appropriate panel indicators.
Diagnostic tests are started and stopped manually from the FDT T-x
command described in paragraph 7.218.
A DAUTION;
Running the field diagnostic tests with live traffic in operation will cause
lose at traffic during the test sequence.
Radio System Turnup and Acceptance
A terminal connected to one of the maintenance ports on the Model 9000
allows for post-installation checkout and acceptance testing without
additional test equipment.
The following paragraphs describe each test and the procedure for running
it. Rater to subsection 7.2 for terminal operating instructions.
Test 1: 51/031 Loopbeck
Test 1 verifies the E1 or DS1 connections to the Model 9000 by sending
a signal through the circuit to the near-end E‘l/DSl interface and monitoring
the return path for the same signal. Refer to Figures 7-3a and 7-3b. For
this test to operate, the E1/051 signal at the near and must be looped back
to the Model 9000 at the customer's El or 081 equipment.
To run Test 1 from the VT-100 or compatible terminal connected to one of
the local virtual data circuit ports, pedorm these steps:
1. At the DSX. loop back each of the receive EllDS‘l lines from the 9000
to the transmit lines to the 9000.
2. Run Test 1. If an error is indicated, check wiring from the Model 9000
unit to the DSX.
Section 7 - Operating Instructions
CONTROL MODULE
lilN'l
EV“! “X W WAGE 50901 PARS
4m
flflm
Figure 7-33. Model 9000 Radio Field Test #1
oomnor. MODULE
super .— --------- - ------- - --------------------
TE" : Elma!
mm“. mm NTEIFACE
NOTE: The aptionel E1 or DSI Tut Interface plug: into the HMBM connector
to lecilitate ENDSl testing. it features "cut jucks" for El or DSl
input; and outputs plus n 'normal through" connettion which loop:
beck ell Ei/DSI tignels into the controller.
Figure 7-3b. DSX Loopback Test (Test #1
Laws 80-100-281 Issue 1, September 1999 7-13
Larus 80—100—281
Issue 1, September 1999
7.42 Test 2: End-to-End Path Continuity
7.421 Test 2 verifies endvto-end performance of the Model 9000 radios. See
Figure 7-4. This test loops the signal through the EllDSl multiplexers in
both the near-end and fer‘end radios. This procedure does not test the E1
or DS1 interface at either end. (Refer to Test 1.)
Figure 7-4. Model 9000 Radio Field Test #2
7-14
Sectiorfl ’—:,Qpe_rating Instructions
7.422 To run Test 2 from a VT-100 or compatible terminal connected to one of
the virtual dete circuit 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.
Run Test 2. If any errors are reported, check eech 51/051 line. I*
lines are reporting errors, check for interference or other problems.
7.43 E1/DS1 Test Interface
7.431 If near-end and fer-end DSX Ioopbeck is not possible, an E1 or D51 Test
Interface, Model 9021, is eveileble. (Refer to Figures 7-3b and 7-6).
@ more:
If no errors ere reported, or reported errors have been cleared, the
equipment is ready to carry traffic.
nun nn
mm
It-IN’
Figure 7-5. Model 9021 E1/DS1 Test Interface
Lerus 80-100-251 Issue 1 September 1999
. 4 v
dry-J.
Maintenance
8.01 There is no routine maintenance required.
8.02 If a unit is suspected of being faulty, replace the suspected unit with a
spare serviceable unit. If the problem is resolved by this substitution. call
the Larus Corporation Customer Service Department to obtain a return
merchandise authorization lFlMAl number. lf the problem is not resolved
by the substitution, call the Customer Service Department ior assistance
(refer to paragraph 8.03).
y A CAUTION:
When handling or returning electrostatic discharge lESD) sensitive
products, all standard ESD precautions should be followed. ESD
sensitive equipment is considered to be any electrical equipment aside
from sheet metal products. Standard ESD precautions Include, but are
not limited to, the following:
- All personnel handling equipment should be properly grounded (prior
to removal of equipment from the housing/shell). This will preclude
ESD through the equipment.
0 Once the equipment has been removed from the housing/shelf. it
should immediately be placed in an ESD protective bag.
All returned equipment should be packaged as originally received li.e.,
placed in an ESD conductive or antistatic bag and put back in the original
box with foam packaging). Individual equipment boxes should he placed
into a master container box with appropriate lili to ensure safe
transportation.
Any 230 or transportation related damage to equipment will void the
equipment warranty.
Larus 80-100-281 Issut ‘otember 1999
Larus 804100-281
Issue 1. September 1999
8.03
8.04
8-2
All returned equipment and requests for assistance shouid be directed to:
Larus Corporation
Customer Service Department
1560 Berger Drive
San Jose, CA 95112 - 2703
(408) 494-1500 Telephone
(300) 999-9946 Toll-free
(408) 494-0735 FAX
All returned shipments must be prepaid and bear the RMA number on the
exterior of the carton.
Warranty 9
9.01 Products Manufactured by Larus Corporation
Limited Warranty:
a. Larus products, except as stated otherwise in an applicable price list,
are warranted against defects in workmanship and material for a period
of 1 (one) year from date of delivery as evidenced by Larus' packing slip
or other transportation receipt. Warranty under contract may differ.
Components in Larus products manufactured by others shall be
assigned the original manufacturer's warranty. Refer to paragraph
9.03.
b. Larus' sole responsibility under this warranty shall be either to repair or
replace, at its option, any component which fails during the applicable
warranty period because of a defect in workmanship and material,
provided purchaser has promptly reported same to Larus in Writing. All
replaced products or parts shall become Larus' property.
c. Larus will only honor the warranty at its repair facility in San Jose,
California, unless stipulated differently under contract. It is the
purchaser's responsibility to return, at its expense, the allegedly
defective product to Larus. The purchaser must obtain a return
merchandise authorization (RMA) number and shipping instructions from
Larus prior to returning any product under warranty. Transportation
charges for the return of the product to the purchaser shall be paid by
Larus within the United States. For all other locations, the warranty
excludes all costs of shipping, customs clearance, and other related
charges. If Larus determines that the product is not defective within
the terms of this warranty, the purchaser shall pay Larus all costs of
handling, transportation, and repairs at the than prevailing repair rates.
d. All the above warranties are contingent upon proper use of the product.
These warranties will not apply (i) if adjustment, repair, or parts
replacement is required because of accident, unusual physical,
electrical, or electromagnetic stress, neglect, misuse, failure of electrir-
power, environmental controls, transportation. not maintained in
accordance with Larus specifications, or abuses other than ordinary
use; (ii) if the product has been modified by the purchaser or has been
repaired or altered outside Larus' factory, unless Larus specificall-
authorizes such repairs or alterations; (iiil where Larus serial number—
warranty data, or quality assurance decals have been removed or
altered.
Larus 80-100-281 Issue 1, September 1999 9~1
l.arus 80-100-281
issue 1, September 1999
9.03
(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 Larus, is authorized to assume for Laws any
other liability on its behalf except as set forth herein Nonvpayment of
any invoice rendered within the stated payment terms automatically
cancels any warranty or guarantee stated or implied. If any payment is
due Larus for services performed hereunder. it shall be subject to the
same payment terms as the original purchase
f. 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 Issue Information"
10.01
Er"
RF Module, High Freq th and Low
Freq Flcv, plus 4 x E1 Control Module
RF Module, Low Freq th and High
Freq Rcv, plus 4 x E1 Control Module
RF Module, High Freq th and Low
Freq Flcv, plus 4 x D81 Control
Module
RF Module, Low Freq th and High
Freq Flcv, plus 4 x D81 Control
Module
Spare RF Module, High Freq th and
Low Freq Rcv
Spare RF Module, Low Freq th and
High Freq Flcv
Modem Board, 4 x E1
Modem Board, 4 x 081
Power Supply Board
Control Module, 4 x E1
Control Module, 4 x 051
(continued)
Larus 804 00-281
Practice 80-100-281, Issue 1, applies to the following equipment:
WWW
02002106-000 (N/Al
020-02107—000 (N/Al
020—02106-001 (N/Al
020-02107-001 (N/Al
007-02078-000 1
00102078001 1
007-01794-000 1
007-01794-001 1
007-02068-000 1
007-02079~000 1
007~02079-001 1
Issue 1, September 1999
Lerus 80-100-281
Issue 1, September 1999
km
(continued)
EmLMndal
Installation Kit, HF/Controller 007-02109-000 1
Assembly mounted in 19" or
23“ rack
Antenna Jumper Cable 041-021 10-XXX 1
051 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-typa Connectors, RF 7509 List 3 1
Module to Waveguide, 3 feet
Frequency Translator, 5.7 GHz 9020 List 0 1
D51 Test Interface (Test Adapter) 9021 List 0 1
E1 Test Interface (Test Adapter) 9021 List 1 1
NOTE: Contact Larus Sales for special antenna mounting arrangements, lightning
protection, and custom installation.
Extended Service Agreements:
Larus SmartServica 7100 List 0
Lame SmertService Plus 7100 List 1
Laws On-Site SmertService 7100 List 2
Lame SmertService Training 7100 List 3

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