100G QSFP28 ER4 60KM LC Optical Transceiver

The 100G QSFP28 ER4 60KM LC Optical Transceiver is a high-performance solution for long-distance 100G Ethernet connections. This compact module supports data transmission up to 60km over single-mode fiber using four LWDM wavelengths (1295.56/1300.05/1304.58/1309.14nm). With its QSFP28 form factor and LC duplex connector, it delivers 100Gb/s throughput. The transceiver features advanced technologies including SOA amplification and APD receivers for superior signal quality over extended distances. Fully compliant with industry standards (IEEE 802.3ba, QSFP28 MSA, OTU4), it's ideal for data center interconnects, metro networks, and 5G transport applications. The built-in digital diagnostics enable real-time performance monitoring, ensuring reliable operation in demanding network environments.

Key Features

• Support line rates from 103.125 Gb/s;
• Lane bit rate 25.78 Gb/s 100GE
• Up to 60km transmission on single mode fiber
• LAN WDM EML laser and APD
• Support Multi-Pin function with IntL/RxLOSL and LPMode/TxDIS
• High speed I/O electrical interface (CAUI-4)
• I2C interface with integrated Digital Diagnostic monitoring
• QSFP28 MSA package with duplex LC connector
• Single +3.3V power supply
• Power dissipation 
• Commercial：< 5W
• Complies with EU Directive 2015/863/EU

100G LR4 10KM	100G LR4 20KM	100G ER4 40KM	100G ZR4 80KM	100G eZR4 100KM
100G	100G	100G	100G	100G
10KM	20KM	40KM	80KM	100KM
1296nm, 1300nm, 1305nm, 1309nm	1296nm, 1300nm, 1305nm, 1309nm	1296nm, 1300nm, 1305nm, 1309nm	1296nm, 1300nm, 1305nm, 1309nm	1296nm, 1300nm, 1305nm, 1309nm
LC	LC	LC	LC	LC
SM	SM	SM	SM	SM
DDM	DDM	DDM	DDM	DDM
COM: 0°C ~70°C	COM: 0°C ~70°C IND: -30°C ~85°C	COM: 0°C ~70°C IND: -30°C ~85°C	COM: 0°C ~70°C IND: -30°C ~85°C	COM: 0°C ~70°C

FAQ:

Q1: What are the key applications of 100G QSFP28?‌

A1: Our 100G QSFP28 modules are widely used in data centers, high-performance computing (HPC), and telecom networks for high-speed interconnects.

Q2: What types of 100G QSFP28 does ETU-Link offer?‌

A2: We provide SR4, LR4, ER4, ZR4, and CWDM4 variants, supporting multi-mode and single-mode fiber connections to 100m-100km.

Q3: Are ETU-Link 100G QSFP28 modules compatible with major brands?‌

A3: Yes, our 100G QSFP28 transceivers are fully MSA-compliant and interoperable with Cisco, Juniper, Arista, and other OEM switches.

Q4: Does you provide customization for 100G QSFP28?‌

A4: Yes, we offer OEM/ODM services including custom labeling, firmware, and compatibility testing.

Q5: How does 100G QSFP28 BiDi reduce fiber costs?‌

A5: BiDi modules enable bidirectional 100G transmission over a single fiber strand, doubling fiber utilization compared to conventional dual-fiber solutions.

Q6: What fiber connectors are used in 100G QSFP28?‌

A6: MPO-12 for SR4/PSM4, LC duplex for LR4/CWDM4, and LC simplex for BiDi models.

Q7: What is the warranty period for 100G QSFP28?‌

A7: Standard 3-year warranty with lifetime technical support.

ETU-Link 100G QSFP28 solves key points‌

Problem: Fiber congestion? BiDi models halve your fiber count

Problem: Compatibility fears? We guarantee MSA compliance + OEM testing