JXF0-2511NL Industrial 2.5GBase-T RJ45 Connector with LED THR Pin-in-Paste

JXF0-2511NL THR 2.5GBase-T Magjack Overview

The Pulse JXF0-2511NL is a rugged single-port 2.5G RJ45 Integrated Connector Module (ICM) engineered for high-bandwidth industrial computing, embedded edge gateways, automated robotics, and high-resolution industrial imaging systems. Meeting full IEEE 802.3bz specifications, this connector incorporates precision 1:1 wideband isolation transformers, impedance matching networks, and a 2-wire (2W) signal line common mode choke to ensure superior signal integrity across multi-gigabit copper links.

Equipped with dual Green/Yellow bi-colour LEDs, the JXF0-2511NL delivers comprehensive port-level diagnostics (speed, link, and activity status) directly at the front panel without requiring external optical light pipes. Engineered from high-temperature UL 94V-0 thermoplastic with 3.20 mm matte-tin solder tails, the connector is specifically designed for Through-Hole Reflow (THR / Pin-in-Paste) manufacturing. With an MSL 1 shelf life and compliance with IPC/JEDEC J-STD-075 (Category R7, 260°C peak reflow), it eliminates secondary manual soldering and ensures exceptional thermal and mechanical reliability across a -40°C to +85°C operating span.

Key Features:

• High-Speed 2.5Gbps Signal Integrity: Insertion loss is held strictly below -1.0 dB up to 250 MHz, with return loss exceeding -20 dB (1–40 MHz) and -10 dB (100–250 MHz) for optimal PAM5/PAM16 eye patterns.
• Dual Bi-Colour Diagnostic LEDs: Integrated anti-parallel LEDs (568nm green / 585nm yellow) driven by 4 dedicated pins (Pins 11–14) provide multi-state visual feedback.
• True 2250VDC Galvanic Isolation: Complete primary-to-secondary physical barrier protects sensitive PHY transceivers from industrial ground loops and field surges (UL 62368-1 Certified).
• 2W Symmetrical Signal Line Choke: Positioned on the cable side, the 2-wire choke delivers balanced common-mode suppression (CMRR down to -35 dB) without DC-bias saturation risks.
• Automated SMT/THR Ready: Fully rated for single-pass lead-free reflow ovens, eliminating wave soldering defects and lowering PCBA production costs.

Technical Specifications Matrix

1. JXF0-2511NL RF Performance (@ 25°C)

2. Environmental, Material & Mechanical Ratings of JXF0-2511NL RJ45 ICM

3. Integrated Bi-Colour LED Specifications

JXF0-2511NL 2.5GBase-T RJ45 Connector with LED Datasheet:

Applications of JXF0-2511NL 2.5GBase-T MagJack

The JXF0-2511NL combines 2.5Gbps high-speed bandwidth, pure-data signal integrity (Non-PoE), integrated diagnostic LEDs, and an industrial wide-temperature profile (-40°C to +85°C). It is specifically chosen for applications that rely on dedicated local power buses (e.g., 24V DC DIN-rail) rather than PoE, requiring maximum throughput and instant front-panel visual diagnostics.

+-------------------------------------------------------------+
       |             JXF0-2511NL Application Architecture             |
       +-------------------------------------------------------------+
                                      |
         +----------------------------+----------------------------+
         |                            |                            |
         v                            v                            v
  [ Industrial Automation ]   [ Machine Vision Systems ]   [ Industrial Edge & IoT ]
  • DIN-rail PLCs & IPCs      • 2.5G GigE Vision Grabbers  • Edge AI Gateways
  • TSN Motion Controllers    • Multi-camera Inspection    • Fanless Embedded PCs
  • Power: Local 24V DC bus   • Power: Dedicated DC / M12  • Wide Temp: -40°C to +85°C
  • LED: Port Link/Activity   • LED: 2.5G/1G Speed State   • EMI: Harsh Inverter Zones

1. Industrial Automation, PLCs & TSN Motion Control

• Modern factory automation requires low-latency, deterministic communication under Time-Sensitive Networking (TSN) protocols.
• Why JXF0-2511NL: Upgrades communication buses from 1Gbps to 2.5Gbps to handle high-density I/O and motion synchronization. With power supplied via external 24V DC terminals, the non-PoE design eliminates unwanted thermal accumulation inside sealed DIN-rail enclosures. The dual bi-colour LEDs give maintenance technicians immediate on-site visual confirmation of port link speed and network traffic.

2. Machine Vision & 2.5G GigE Vision Frame Grabbers

• Industrial inspection lines and automated optical inspection (AOI) systems require 2.5x the bandwidth of standard Gigabit Ethernet to transfer uncompressed high-resolution images.
• Why JXF0-2511NL: The symmetrical 2-wire signal choke and 180µH inductance ensure jitter-free packet delivery with low insertion loss (-1.0dB max). Frame grabbers and vision host cards typically use external power connections, making the pure-data 14-pin layout ideal for maximizing high-speed PCB differential routing space.

3. Rugged Industrial Edge Gateways & Fanless Embedded PCs

• Edge AI compute units (e.g., NVIDIA® Jetson™ or x86 embedded platforms) aggregating data from sensors, LiDAR, and industrial cameras.
• Why JXF0-2511NL: Fanless enclosures rely strictly on conduction cooling; eliminating 90W PoE heat dissipation avoids thermal throttling. The -40°C to +85°C operating rating and MSL 1 / THR reflow durability guarantee field longevity under high-vibration, high-heat industrial cabinet environments.

4. Smart Grid, Substation Telemetry & Power Distribution (IEC 61850)

• Remote Terminal Units (RTUs), protection relays, and smart grid gateways operating in heavy electromagnetic noise environments.
• Why JXF0-2511NL: High dielectric withstand voltage of 2250 VDC (Pri:Sec) provides robust galvanic isolation against ground potential shifts and switching surges. The Top & Side EMI spring fingers ensure continuous metal-to-metal enclosure grounding, passing stringent industrial EMC/ESD compliance tests.

5. High-Speed Network Test & Measurement Instrumentation

•  Portable field network analyzers, packet sniffers, and lab diagnostic equipment validating 2.5GBase-T link quality.
• Why JXF0-2511NL: The anti-parallel bi-colour LEDs provide clear, customizable visual feedback (e.g., Green for 2.5G link, Yellow for 1000Base-T fallback, Flashing for Activity), essential for field diagnostic equipment.

Technical FAQ: 

Q1: Can JXF0-2511NL directly replace JXF0-1011NL on an existing 1Gbps PCB?

A: Yes, 100% drop-in compatible. The mechanical package, locating pegs, shield tabs, and all 14 electrical pin locations (10 signal + 4 LED) are dimensionally identical. Upgrading a board from 1G to 2.5G requires zero layout redesign.

Q2: How do I drive the anti-parallel LEDs with a 3.3V microcontroller?

A: Connect each pair of LED pins (Pins 11/12 or 13/14) across two push-pull GPIOs with a series current-limiting resistor (typically 150Ω–220Ω for ~10–15mA current). Setting GPIO_A HIGH and GPIO_B LOW activates Green (568nm); setting GPIO_A LOW and GPIO_B HIGH activates Yellow (585nm). Both LOW or both HIGH deactivates the LED.

Q3: Does JXF0-2511NL have any PoE bypass paths that could affect Hi-Pot testing?

A: No. The JXF0-2511NL is a dedicated pure-data connector with no PoE center-tap DC breakout pins. The 2250 VDC dielectric rating applies completely across the entire primary-to-secondary isolation barrier, making UL 62368-1 high-voltage testing simple and safe.