Specs of FTTH equipment power adapter

“Test standard: International Electrotechnical Commission electronic”

FTTH & Telecom power adapter description

  Today, FOT Blog is going to share how to choose a PON ONU/FTTH equipment power adapter in specifications details. This specification defines the input, output, performance characteristics, environment, noise and safety requirements for the EU model (“C Plug”) FTTH equipment type power adapter.

Outline Dimension:

  The power supply size L:78 * W:28 * H:64mm

Power adapter (Telecom) outline dimension

Power adapter (Telecom) outline dimension

DC cable and plug’s Dimension:

  DC cable: 0.20mm2, VW-1, 80 ℃,300V DC plug: 5.5 * 2.1 * 9mm. Length: 1.5m

Input Characteristics:

  • Input voltage:
    Nominal voltage: 100-240Vac
    Variation Range: 90-264Vac
  • Input Frequency:
    Nominal Frequency: 50/60HZ
    Variation Frequency: 47/63Hz
  • Input Current:
    0.3Arms max (≤0.3Arms) at any input voltage and rated output voltage and rated load
  • Inrush Current:
    20Amps Max ((≤20Amps) at any input voltage and rated output voltage and rated load.

Output Characteristics:

  • Rated Output Voltage Current:
    Measurement mode: CR mode The unit total output power,under steady state conditions,shall not exceed 6.0W 
    Output#Normal Voltageminimum loadMax.Load
    +12Vdc10mA500mA
  • Rated Output Voltage 
    Output VoltageNormal VoltageMin. VoltageMax.VoltageTolerance
    +12Vdc11.4Vdc12.6Vdc±5%
  • Ripple and Noise:
    The ripple and noise are as follows when measure with Max. Bandwidth of 20mHz and parallel 47uF/0.1uF, crossed connected at testing point.
    Voltage     Ripple And Noise (Max.)
    +12Vdc        120mvp-p
  • Turn On Delay Time:
    1 second Max. (≤1S) at 100Vac input and output Max. Load.
  • Rise Time:
    20mS Max. (≤20mS) at100Vac input and output Max. Load.
  • Hold UP Time:
    10mS Min.at 100Vac input and output Max. Load.
  • Efficiency:
    72% Min.(≥72%) at 100Vac input and output Max. Load.
    75% Min.(≥75%) at 220Vac input and output Max. Load.

Output protection requirement:

  • Short Circuit Protection:
    The power supply will be auto recovered when short circuit faults remove.
  • Over current protection
    110% ~ 170% over current fault addition, the power automatically resume normal work.

    FOT FTTH Optical Receiver Package

    FOT FTTH Optical Receiver Package

Enviromental requirement

  • Operating Temperature: -10℃ to 40℃, (Full load Normal operation)
    Storage Temperature: -20℃ to 70℃
    Relative Humidity: 5%(0℃) ~ 95%(45℃)RH ,72Hrs, Full load ,Normal operating.
  • Vibration:
    Operating: IEC721-3-33M3
    5~9Hz,A=1.5mm
    9~200Hz,Acceleration 5m/s2
  • Transportation
    IEC721-3-2 2M2
    5-9Hz,A=3.5mm
    9~200Hz, Acceleration 5m/s2
    200~500Hz, Acceleration 15m/s2
  • Axial vibration,10 cycles per axis
    NO permanent damage may occur during testing
    The product has to restore to its original situation after power off/on.

Safety Requirement

  • Diel Ectrlc Strength (Hi-pot):
    Primary to secondary: 3000Vac/10mA/3S
  • Leakage current
    0.5mA maximum, at normal AC input voltage and frequency
  • Lighting Test
    EN55024: 1998 +A1: 2002+A2: 2003,EN61000-4-5: 2001 Differential model stand: 2KV

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