Gigabit 2 optical 8 electrical industrial grade POE switch

The QLD28GP-SFP is an industrial-grade Ethernet POE switch featuring 8 10/100/1000Base-TX POE electrical ports and 2 1000Base-X optical ports. Designed for harsh environments, it operates within a temperature range of -40°C to 85°C. Compliant with FCC, CE, and ROHS standards, this switch offers reliable data transmission, automatic duplex mode negotiation, and built-in storage and forwarding mechanisms. With IP40 protection, DIN rail and wall-mounted installation options, and surge protection, the QLD28GP-SFP is a plug-and-play solution ideal for robust Ethernet networking in industrial applications.

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Description

Product Description

The QLD28GP-SFP is an industrial-grade Ethernet POE switch designed to meet the demands of various harsh environments. It supports 8 10/100/1000Base-TX POE electrical ports and 2 1000Base-X optical ports. This switch complies with FCC, CE, and ROHS standards, and operates in temperatures ranging from -40°C to 85°C. The compact design and rail mounting features, along with IP40 protection-grade housing and LED indicators, make the QLD28GP-SFP a reliable plug-and-play solution for Ethernet device networking.

Product Features

  • High-Quality Modules: Utilizes optoelectronic integrated modules for superior optical and electrical performance.
  • Reliable Data Transmission: Ensures reliable data transmission and long working life.
  • Duplex Mode Support: Supports full-duplex and half-duplex modes with automatic negotiation capability.
  • Automatic Cross Recognition: Network ports support automatic cross-recognition.
  • Built-in Mechanisms: Features built-in storage and forwarding mechanisms, supporting multiple protocols.
  • Industrial Standards Compliance: Meets industrial-level operation standards with an average trouble-free operation of over 300,000 hours.
  • Power Supply: Operates on DC 48-57V with reverse polarity protection.
  • SFP Optical Fiber Interface: Equipped with SFP optical fiber interface for enhanced connectivity.
  • Surge Protection: Lightning surge protection of 5000A (8/20μs).

Product Technical Indicators

Product Information

  • Product Name: 1000M 2 optical 8 electrical industrial grade POE switch
  • Product Number: QLD28GP-SFP

Port Description

  • Ports: 8 RJ45 ports + 2 optical fiber interfaces
  • RJ45 Port Specifications: 10/100/1000M automatic detection, full/half duplex MDI/MDI-X adaptive
  • Fiber Optic Port: 1000BaseFX port (SFP slot)

Network Protocol

  • Supported Protocols: IEEE802.3 10BASE-T, IEEE802.3i 10Base-T, IEEE802.3u 100Base-TX/FX, IEEE802.3ab 1000Base-T, IEEE802.3z 1000Base-X, IEEE802.3x, IEEE802.3af, IEEE802.3at

Working Environment

  • Operating Temperature: -40～85 °C (-40～185 °F)
  • Storage Temperature: -40～85 °C (-40～185 °F)
  • Relative Humidity: 5%～95% (no condensation)

Industry Standard Compliance

  • EMI: FCC Part 15 Subpart B Class A, EN 55022 Class A
  • EMS:
    • IEC(EN)61000-4-2(ESD): ±8kV contact discharge, ±15kV air discharge
    • IEC(EN)61000-4-3(RS): 10V/m (80～1000MHz)
    • IEC(EN)61000-4-4(EFT): Power line: ±4kV; Data line: ±2kV
    • IEC(EN)61000-4-5(Surge): Power line: ±4kV CM/±2kV DM; Data line: ±2kV
    • IEC(EN)61000-4-6 (RF conduction): 3V (10kHz～150kHz), 10V (150kHz～80MHz)
    • IEC(EN)61000-4-16 (common mode conduction): 30V continuous, 300V for 1s
    • IEC(EN)61000-4-8
    • Shock: IEC 60068-2-27
    • Freefall: IEC 60068-2-32
    • Vibration: IEC 60068-2-6

Switch Properties

  • Application Level: Layer 2
  • Total Backplane Bandwidth: 30.4Gbps
  • Packet Forwarding Rate: 22.6176Mpps
  • MAC Table: 16K
  • Packet Buffer: 2M
  • Delay Time: <3μs
  • Power Consumption: <3W

Power Supply

  • Input Voltage: DC48-57V (dual power supply redundant backup)
  • Access Terminal: Phoenix terminal
  • Protection: Built-in overcurrent 4.0A protection and reverse connection protection

Mechanical Properties

  • Shell: IP40 protection grade, metal shell
  • Installation: DIN rail type, wall-mounted installation
  • Heat Dissipation: Natural cooling, no fan
  • Weight: 0.64KG
  • Dimensions: 143 x 101 x 44mm (length x width x height)

POE Standard

  • Standard: IEEE802.3af/ IEEE802.3at
  • PoE Ports: Ports 1-8 support PoE
  • Output Power:
    • Maximum power 15.4W (IEEE 802.3af)
    • Maximum power 30W (IEEE 802.3at)
    • POE port automatically identifies af/at

LED Indicators

  • Power Indicator: PWR
  • Interface Indicators: Electrical port, optical port (Link/ACT)

Protection Level

  • Protection Grade: IP40

Certification

  • Certifications: CE, FCC, RoHS, ISO9001:2008
  • Network Access License: Ministry of Industry and Information Technology
  • Inspection Report: Ministry of Public Security
  • Safety: UL508

Mean Time Between Failures

  • MTBF: 300,000 hours

Warranty

  • Warranty: 5 years

The QLD28GP-SFP switch is designed for robust and reliable performance in industrial environments, providing flexibility and durability in extreme conditions.

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