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E&M Special Services (E&M) Plug-in Card

T1000
  • End-to-end compatibility with existing cards in the field
  • Two circuits per card, each able to support different provisioning
  • Software-provisionable E&M and PLR modes (2-wire or 4-wire)
  • Provides one or two E&M circuits per card, depending on modes: E&M Type I, II, III, IV, V and PLR I and II
  • Software-provisionable Tandem and DX modes (4-wire only)
  • Provisionable transmit and receive gain
  • Provisionable bias (switched or fixed — DX mode only)
  • Post-equalization
  • 600 ohms and 1200 ohms fixed impedances
  • Normal and reverse DX signaling

52EU 1000-Line Remote Outdoor Cabinet

T1000
  • In controlled environments, if the composite clock signal degrades, ETI provides Stratum 3E holdover using historical timing data
  • Provisionable Stratum levels: 3, 3 with 3E holdover, 4, and SONET
  • LET or RST operation (primary shelf)
  • Up to Stratum 3/3E free-run accuracy
  • Jitter and wander reduction of external timing source
  • A second ETI can be installed for standby operation
  • Telcordia compliant design cabinet is expandable from four shelves to eight
  • Fiber splice and distribution options
  • -48 VDC powered cooling fans
  • Separate vented battery compartment and battery back-up options
  • Standard surge protection
  • Copper line protection in separate compartment (non-cross-connect configurations)
  • Hex key lock (padlockable for additional security)
  • Synchronizes to an external composite clock timing source

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.
  • 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
  • Cold rolled steel, zinc plated per ASTM-B633 Type II gold sheet metal enclosure with six fans
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