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1RU Fan Tray Unit

T1000
  • Temperature control and fan speed control
  • Cold rolled steel, zinc plated per ASTM-B633 Type II gold sheet metal enclosure with six fans
  • A test switch on the fan tray front panel allows the fans to be manually tested for correct functioning.
  • Cold rolled steel, zinc plated per ASTM-B633 Type II gold sheet metal enclosure with six fans
  • In the event of fan tray failure, the fan tray alarm relays communicate with the appropriate alarm monitoring interface.
  • Cold rolled steel, zinc plated per ASTM-B633 Type II gold sheet metal enclosure with six fans

Expansion Bank Control (EBC-3)

T1000
  • Enables simple system expansion and control for expansion shelves
  • Supports transport of ATM, Ethernet and TDM traffic between shelves
  • Interfaces to an ELU-3 plug-in card in a primary shelf
  • Generates status updates to the CPU via the ELU plug-in card
  • CRC protection on the expansion link
  • Dual memory support for non-service affecting programming
  • Receives DDS timing from the primary shelf
  • Ability to derive timing reference from expansion shelf and transport it to primary shelf via the ELU plug-in card

Expansion Link Unit 3 (ELU-3)

T1000
  • Enables simple system expansion and control for expansion shelves
  • Supports transport of ATM, Ethernet and TDM traffic between shelves
  • Communications gateway between the CPU-3 and the expansion shelves
  • Dual memory support for non-service affecting programming
  • Ability to recover timing reference from the expansion shelf and provide it to the primary shelf
  • Provides composite clock P-Bits and N-Bits to the expansion shelf for DDS timing in the expansion shelf
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