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Monday, January 6, 2014

Broadband wireless access systems

7:38 AM




System  specifications

  •   Made in Israel
  •   Trade name - Alvarion, Breeze ACCESS II 
  •   Frequency Band – 2.4 GHz
  •   Voice - (Telephone) and Data - (Network)
  •   Radio access method  - FH  CDMA ( Frequency  Hopping   Code Division Multiple Access ). 
  •   Data rates of up to 1-3 Mbps
  •   Maximum Range – 14 Km
  •   Modulation Teq. – TDD  (Time Division Duplex)

Main parts of access unit

  •   Modular base station equipment.
  •   Base station access unit
  •   48 VDC power supply
  •   RG -213, antenna cable (100 meter).
  •   External antenna (90°/120° sector antenna)
  •   Out door unit

Main parts  of  subscriber unit (su)

  •   Subscriber  indoor unit
  •   12 VDC / 230 V AC power adapter
  •   RG -58, antenna cable (30 meter)
  •   External antenna
  •   Out door unit

System  logging

  •   Serial (serial cable)
  •   Breeze configuration access  (soft wear)
  •   Telnet (dos)

Serial  logging
  •   Baud rate - 9600
  •   Data bits - 8
  •   Stop bits - 1
  •   Parity none
  •   Flow control -  xon/xoff
  •   Connector connected COM port
Basic configuration
  •   Set IP address
  •   Set sub net mask
  •   Default gateway
  •   ESSID ( extended service set identify ) identifying name of a wireless network





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