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gigabit 8 port 48v unmanaged poe industrial ethernet switch

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Quick Details

Payment Terms: T/T
Supply Ability: 200 Piece/Pieces per Month
Warranty Period: 5 years
Installation: Din-Rail
Place of Origin: Guangdong China
Use: Fiber Optic Equipment
Ports: 8
Dimension: 41x153.5x128mm
Transmission Rate: 10 /100/1000Mbps
Model Number: P508A
Certification: FCC, CE, RoHS
Power Supply: 48VDC (44V-57VDC)
Brand Name: InMax
Type: Fiber Optic Equipment
Chip Solution: Broadcom
Wide Temperature: -40°C ~ +75°C
Communication Mode: Full-Duplex & Half-Duplex
Application: Fiber Optic Equipment
Package Preview: https://sc04.alicdn.com/kf/H384430c298524a748cd864414ed1b447u.png_640x640.png,https://sc04.alicdn.com/kf/Had81aaa9a8d746479d84cdd2b05b1534O.png_640x640.png
Shenzhen InMax Technologies Co., Ltd.
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Features and Benefits

  • With 8×10/100/1000BaseT(X) PoE ports.
  • 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.





Standards IEEE 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 802.3x for Flow Control
IEEE 802.3az for Energy-Efficient Ethernet
Flow Control IEEE 802.3x Flow Control
Back Pressure Flow Control


Switch Properties

Packet Forwarding Rate 13.392Mpps
Processing Type Store and Forward
MAC Table Size 4 K
Jumbo Frame Size 9720Byte
Backplane 18G
Packet Buffer Size 1.5Mbit



RJ45 Ports 10/100/1000BaseT(X) auto negotiation speed
  Full/Half duplex mode
  MDI/MDI-X connection
PoE Pinout V+, V+, V-, V- for Pin 1,2,3,6 (End-span)
LED RJ45 Ports:  Link/Act RJ45 Green LED G1~G8 ,
  PoE Indicator: RJ45 Yellow LED G1~G8
  Power: PWR


Power Requirements

Connection 1 removable 6-contact terminal block
Input Voltage 48VDC (44 to 57VDC), Redundant Dual Inputs
No-load Power 5W @ 48VDC
Full-load Power 8W @ 48VDC (Full loading without PDs' consumption)
Power Budget

248W @ 48VDC for total PDs’ and switches' consumption  

(P508B: 128W @ 48VDC)

Power Budget of each PoE Port Max. 30W
Redundant Dual Inputs Present
Reverse Polarity Protection Present
Over current protection Present


Physical Characteristics

Housing Hard aluminum alloy case
IP Rating IP40
Dimensions (W×H×D) 41 × 153.5 × 128 mm
Weight 605g(P508A), 595g(P508B)
Installation DIN-rail mounting, wall mounting