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4 port 5 port 48vdc poe fiber optic ethernet switch media converter switch

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Quick Details

Warranty Period: 5 years
Installation: Din-Rail
Place of Origin: Shenzhen China
Product Name: Gigabit Poe Switch
Ports: 5
Transmission Rate: 10/100/1000Mbps
Dimension: 41x153.5x128mm
Model Number: P505B
Certification: FCC CE RoHS
Power Supply: 48V DC (44V-57V DC)
Brand Name: InMax
Wide Temp. Models: -40 ~ +75°C
Function: POE
Products Status: Stock
Chip Solution: Marvell
Switch Capacity: 12G
Communication Mode: Full-Duplex & Half-Duplex
Packaging Detail: 700g/pcs, 40pcs/ctn
Selling Units: Single item
Single package size: 18X18X5 cm
Single gross weight: 1.0 KG
Shenzhen InMax Technologies Co., Ltd.
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US$ 70,000+
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Features and Benefits

  • With 4×10/100/1000BaseT(X) PoE ports, and 1×1000BaseX port.
  • Up to 30 watts output of each PoE port.
  • Smart PoE over current and short circuit protection.
  • Intelligent power consumption detection and classification.
  • Redundant dual 48 VDC power inputs, built-in over-current protection, reverse connection protection.
  •  -40 to 75℃ operating temperature range (WT models).
  •  No fan, low consumption, industrial design standard, industrial grade electronic components, environmental protection & lead-free production.
  •  Hard aluminum alloy case  (Not sheet metal), DIN-rail and wall mounting.
  • IP Rating up to IP40.
  • Without packet loss in 72 hours full load flow test.




StandardsIEEE 802.3af  for 15.4W Power-over-Ethernet
IEEE 802.3at  for 30W Power-over-Ethernet
IEEE 802.3 for 10BaseT
IEEE 802.3u for 100BaseT(X)
IEEE 802.3ab for 1000BaseT(X)
IEEE 802.3z for 1000BaseX 
IEEE 802.3x for Flow Control
IEEE 802.3az for Energy-Efficient Ethernet
Flow ControlIEEE 802.3x Flow Control
Back Pressure Flow Control


Switch Properties

Packet Forwarding Rate8.928Mpps
Processing TypeStore and Forward
MAC Table Size1 K
Jumbo Frame Size10KByte
Packet Buffer Size1Mbit



 Fiber Ports1000BaseX 1×9 Optical Transceiver
RJ45 Ports10/100/1000BaseT(X) auto negotiation speed
 Full/Half duplex mode
 MDI/MDI-X connection
PoE PinoutV+, V+, V-, V- for Pin 1,2,3,6 (End-span)
LEDRJ45 Ports: Link/Act RJ45 Green LED G1~G4
 Fiber Ports: Link/Act G5
 PoE Indicator:       RJ45 Yellow LED G1~G4
 Power: PWR


Power Requirements

Connection1 removable 6-contact terminal block
Input Voltage48VDC (44 to 57VDC), Redundant Dual Inputs
No-load Power5W @ 48VDC
Full-load Power8W @ 48VDC (Full loading without PDs' consumption)
Power Budget128W @ 48VDC for total PDs’ and switches' consumption
Power Budget of each PoE PortMax. 30W
Redundant Dual InputsPresent
Reverse Polarity ProtectionPresent
Over Current protectionPresent


Physical Characteristics

HousingHard aluminum alloy case
IP RatingIP40
Dimensions (W×H×D)41 × 153.5 × 128 mm
InstallationDIN-rail mounting, wall mounting


Environmental Limits

Operating TemperatureStandard Models: -25 to 60℃ (-13 to 140℉)
Wide Temp. Models: -40 to 75℃ (-40 to 167℉)
Storage Temperature-40 to 85℃(-40 to 185℉)
Ambient Relative Humidity5 to 95% (non-condensing)