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PSR 042X

4 Wire Pairs ­Downconverter in Outdoor Housing

for the Remote Powering System RPS 1600




The PSR 042X is a highly efficient, IP68-protected remote counterpart for the PSC 1600 converting the incoming voltage to 48 V DC for powering of active network components.  The PSR 042X delivers up to 60 W via four feeding lines. To convert the full power of one PSC 1600 (240 W) at the remote site, four PSR 042X are required. The PSR is also available with IP65 ingress protection (PSR 040X).


  • Power output: ≤ 60 W (4wp)
  • Up to 15 W per line @ 5 km range*
  • Nominal output voltage: 48 V DC
  • Nominal output current DC: 1.2 A (electronically regulated)
  • RFT-C feeding voltage: 140 – 380 V DC
  • RFT-C feeding current: < 60 mA (per each power sink)
  • Up to 92% power efficiency


System Integration

  • Required components at central office: PSC 1600
  • Small footprint (W x D x H): 243 mm x 188 mm x 68 mm
  • IP68 ingress protection
  • Surge protection acc. to ITU-T K.45
  • PSR 0421 – 4 RFT-C lines with 1 m cable fittings
  • PSR 0422 – 4 RFT-C lines with fast-access plug connectors


*assumed parameters: diameter of copper wire = 0.4 mm; wire resistance <1,500Ω


FTTC – Feeding of active components in street cabinets from central office site, e.g. micro-DSLAMs, VDSL2-ONU

FTTB/H – Feeding of active components in buildings from central offices or street cabinets, e.g. micro-DSLAMs, ONU (Eth or VDSL out), fibre switches

Mobile nodes – Providing remote power for small cell-nodes for 4G / 5G networks (eNodeB)

Power resilience for critical telecommunication applications, e.g. emergency lines, monitoring systems, CCTV

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