7000 Series - Overview. Wireless Overview Operating Bands Licensing & Guaranteed Service Regulations...
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Transcript of 7000 Series - Overview. Wireless Overview Operating Bands Licensing & Guaranteed Service Regulations...
![Page 1: 7000 Series - Overview. Wireless Overview Operating Bands Licensing & Guaranteed Service Regulations Guaranteed Bandwidth & 802.11 Range & link margin.](https://reader030.fdocuments.in/reader030/viewer/2022032723/56649d0e5503460f949e383a/html5/thumbnails/1.jpg)
7000 Series - Overview
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![Page 3: 7000 Series - Overview. Wireless Overview Operating Bands Licensing & Guaranteed Service Regulations Guaranteed Bandwidth & 802.11 Range & link margin.](https://reader030.fdocuments.in/reader030/viewer/2022032723/56649d0e5503460f949e383a/html5/thumbnails/3.jpg)
Wireless Overview• Operating Bands• Licensing & Guaranteed Service• Regulations• Guaranteed Bandwidth & 802.11• Range & link margin• Weather interference• Installation Issues• Typical Applications• Main Customer References
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Operating Band - Actual
• 2.4GHz - LAN, 2Mbps, 8Mbps & 4x2Mbps wireless modems - only world-wide standard
• Good Range with Constant Throughput
• Broadband operation
• Interfaces - G.703, X.21 & V.35
• Probot 7000-2
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Operating Band - Future
• 5.8GHz - next standard operating band
• 2Mbps, 8Mbps & 4x 2Mbps (16x 2Mbps) wireless modems
• Good Range with Constant Throughput
• Broadband operation
• Standard G.703, X.21 & V.35 interfaces
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Licensing Issues• Unlicensed operation
– No Regular Fees - one off cost to install– No license application -reduced time to installation– Possible interference requiring link adjustment
• Licensed operation– Yearly license fees - ongoing costs– License Application - waiting time to install– Guaranteed service - reduced chance of interference
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Regulations
• ETSI Standards - ETS 300-328
• 2400MHz to 2483.5MHz - 83.5MHz of BW
• Direct Sequence Spread Spectrum & Frequency Hopping Spread Spectrum
• 100mW Emitted Isotropic Output Power– Actual power delivered to the output of the
Transmit Antenna - ETSI limit
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Bandwidth Issues
• IEEE802.11 Based products
– High Overheads on 11Mbps (Bandwidth) link
– Actual Data Throughput 2.5 to 3.5Mbps
• Probot Design
– Low overheads & Guaranteed Constant 4x 2Mbps Bandwidth and Throughput
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Comparison between 802.11b System and 7000-2 System
0
2
4
6
8
10
12
Distance 1.5 2.5 3 4.5 6 7.5 9
Distance [Km]
Ban
dw
idth
an
d T
hro
ug
hp
ut
[Mb
ps]
Bandw idth 802.11b
Throughput 802.11b
Bandw idth 7000-2
Throughput 7000-2
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Range Issues• ETSI Standard 100mW
– 24dBi Rx & 14dBi Tx Antennae – 10 Km.
• Standard link margin– No performance degradation for weather attenuation
(even with heavy fog > 50m visual range)– fluctuation in RF noise floor– Working temperature between -35ºC and +70 ºC does
not imply in performance (RF head)– link works error free
• Repeaters allow error free - transparent extension of a link (up to 90 Km.)
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Installation Issues• LOS• Clearance
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Installation Issues• LOS• Clearance
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Site “A”Site “B”
Installation Issuesno clean Line of Sight
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Site “A”Site “B”
Installation Issuesclean Line of Sight
Site “C”
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7000 Series - Overview• Wireless Modems & Multiplexers
– Wireless Local Loop (WLL) applications
– Direct sequence Spread Spectrum (DSS)
• Operates in 2.4GHz S-Band Range
– Licence free Band in Europe & Most Countries
– Requires Line of Sight for Operation
– ETSI (100mW) or FCC (1W) versions• Performance - (without repeaters)
– up to 10km (ETSI) or up to 45km (FCC)
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7000 Series• Main Technical Benefits
– Guaranteed Constant Bandwidth– Enables High Quality voice links:
• Point-to-Point <3ms Tx delay (RF head-to-RF head)• Point-to-Point with 1 Hop <5ms Tx delay (each hop
adds approx. 2ms Tx delay)
– Easy & Quick to Install– Highly Reliable, Robust & Proven Technology– Secure Transmission
• Signal is close to noise level
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7000 Series7000-2 4x 2Mbps Wireless Modem• Interface Options
– 4x E1 - 2Mbps G.703– 4x X.21/V.11 - nx64Kbps to 2048Kbps– 2x E1 and 2x X.21/V.11– 1x E2 - 8Mbps G.703
• Status Indicators– Rx, Tx, Error, Sync, Remote Alarm & Power
• Link Management - via Menu driven LCD Display
• Frequency Range - 2400 to 2483.5Mhz• Spreading Code - CCK
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7000 Series7000-Series Specification• Output (ETSI) - 100mW (EIRP)
• Receiver RF Sensitivity -78dBm @ BER 10-9
-84dBm @ BER 10-6
-86dBm @ BER 10-3
• Processing Gain - 10dB minimum• MTBF - 55,000hrs - Mil Std 217E
• Environmental RF Head -35oC to +70oCBase Unit 0oC to +55oC
• Power Supply +24 volt DC at 45 watt
EIRP - Emitted Isotropic Radiated Power
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Probot Advantages• Guaranteed Constant Bandwidth
• Fibre Link between base unit & RF Head1. Provides Electrical Isolation - Base Unit protected from
lightning strike surges2. No loss of link budget power (no signal attenuation)3. Extends permissible distance between RF & Base units over
conventional systems (up to 2 Km. With Multimode Fiber link between RF Head and Base Unit)
• Voice Quality1. <3ms Transmit delay allows high quality voice links to be
implemented as opposed to systems using MAC chips (802.11b Systems)
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Probot Advantages
• Zero Error Rate– 7000-2 tested for 10-9 or better error rates over 10km
• Support & Service– Very low product return rates– Easy to set up and install– Rapid response technical support
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7000 Series7000-2 Typical Configuration
4 x 2048kbps @ up to 10km ETSI
or 45km FCC
4 x E1
24 VoltsDC input
4 x E1
24 VoltsDC input
RxAntenna
RxAntenna
RF HeadUnit & TxAntenna
Rack Mounted
orStandalone Base Unitswith LCD
Optical cables for
data transfer &electrical isolation
RF HeadUnit & TxAntenna
Low LossConnecting
Cable
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7000 Series - Applications
7000-1
PABX
7000-1
MUX
Antenna Antenna
E1
PublicNetwork
Phone
Fax
Computer
E1
32 ChannelsPrivateFacilities
Voice
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7000 Series - ProjectsRapid Deployment of Voice Services in Somalia
Main PSTNNetwork
7000-2
PABX sor Switch
4 x E1
PublicNetwork
7000-2
Mitel Switch
Antenna Antenna
4 x E1120 PSTNChannels
PrivateFacilities
Large CityMain
Exchange
Remote townsOutlying regions
Wireless Transmission - no delays forexcavation to lay cables. Distances
of up to 63km achieved with the useof repeaters or 1.2m antenna.
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7000 Series
PABXPABX P 7000 P-7000 E1
PABX to PABX
Connections via a Mux
E1 P 7000 P 7000 MUX MUX
Router
Digital Switch
AnalogSwitch
PABX
Router
Digital Switch
AnalogSwitch
PABX
• The Probot 7000 series is transparent to the content of the E1 signal.
• Any configuring of the channels within the E1 stream must be controlled by the connected PBX or Multiplexor
Connection Combinations
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Product Proposition - Summary• Robust technology offering excellent quality voice
• A full E1, E2, 4xE1 or 4x2Mbps signal with 10 km range and ETSI/FCC compliant
• Fast easy set-up for basic configuration without highly skilled RF installation engineers.
• Modular product platform allows easy & lowcost installation of the radio components without compromising range performance
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7000-2 Customer ReferencesBritish Telecom
T MobileMannesman - Vodaphone
MitelSiemens
UK PoliceSwiss Police
UK Ministry of DefenceNATO