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Line Isolation
Unit 12C

High voltage isolation for analogue lines in a compact sealed unit

The Line Isolating Unit 12C provides high voltage isolation on analogue telephone lines with broadband delivered to “Hot” sites such as high voltage electricity sub-stations that are subject to a rise of earth potential.

The LIU12C has an integral VDSL splitter which allows direct connection to the LIU3C for PSTN services. The isolator may also be used on ADSL, ADSL 2+, SDSL, SHDSL, SHDSL. bis, VDSL & VDSL2 service lines. Services are selected via internal links.

Line Isolator LIU12C
Line Isolator LIU12C

Key Take Aways

Multi-use

suitable for Telco’s, Utility companies and Rail Networks.

Quality

• Compact sealed unit meeting Low Voltage Directive 73/23/EEC: safety to BS EN 60950: 1998 BT spec. D2966C

Hot Sites

designed for Hot Site installations with 20kv rms protection.

Cost Effective

low cost easy installation protection device

Quick Specs

  • ISOLATION: 20kV AC
  • CHARACTERISTICS TO LINE (broadband):
    • Nominal impedance 135 ohms
  • CHARACTERISTICS TO EQUIPMENT
    • Nominal impedance 135ohms
    • Insertion loss +/-0.25dB
  • DSL Services:
    • ITU-T G.992.2 (ADSL.G Lite)
    • ITU-T G.992.3 (ADSL2 G DMT)
    • ITU-T G.992.5 (ADSL2+ DMT)
    • ITU-T G.991.2 (SHDSL)
    • ITU-T G.993.2 (VDSL2)
  • PSTN:
    • Low pass VDSL POTs splitter
    • BT SIN346
  • Ports:
    • Line In
    • PSTN out
    • Broadband out
  • INSERTION LOSS
    •  200-3.5Khz < 3.5dB
    • Complex impedance
  • TERMINATION:
    • IDC termination
    • Test access on Line IDC
  • SIZE:
    • 250 x 180 x 60mm
  • WEIGHT:
    • 1.5 kg
  • MEETS THE REQUIREMENTS OF:
    • Low Voltage Directive 73/336/EEC: safety to BS EN 60950: 1998
    • BT Spec. D2966C

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