19 12T DDF Digital distribution Frame  

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  • 19 12T DDF Digital distribution Frame
  • 19 12T DDF Digital distribution Frame
  • 19 12T DDF Digital distribution Frame
  • 19 12T DDF Digital distribution Frame
Model:
 
Product Description:
  • 3U/4U, 19" 64circuit DDF/23" 84circuit DDF
  • Special designed for small requirement
  • Providing a single site for terminating, cross-connecting, testing, and maintaining
  • DS-1 signals.
Product Character
  • Four-circuit, plug-in module
  • Internal printed board with gold contacts for power (-48V), return power,
  • and shield ground
  • Replaceable, single-circuit Dedicated Digital Jack (DDJTM)
  • Red, yellow, or green LEDs
  • Attached 4 front jumper pin
  • Special designed jumper wire enclosures on both side
Product Specifications
Insertion Loss <0.2dB(DC~3MHz)
Monitor Level -20dB±1dB (DC~3MHz)
Impedance E1-120Ω±5% (@1024KHz)
T1-100Ω±5% (@772KHz)
Contact Resistance ≦0.02Ω
Cross Talk E1: <-56dB
T1: <-60dB
Insulation Resistance >1,000MΩ
Power Requirement -48VDC; electric current of every LED <10mA
Jack Life Max. 7 lb force to insert and Min. 1 lb force to withdrawal the plug . After repeating 10000 times , the result is OK.

 

Dimension

Type Dimension (mm)
19 " 509(W) × 164(H) × 195(D)
23 " 610(W) × 164(H) × 195(D)

 

Environment Condition

  • Operation Temperature: 0ºC~+65ºC
  • Humidity: 5%~95%RH