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Arista

Arista QSFP-100G-CWDM4-Arista | 100G QSFP28 Transceiver, 1310nm, 2km, LC, Single-Mode

QSFP-100G-CWDM4-Arista

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Description

The Arista QSFP-100G-CWDM4 is a 100GBASE-CWDM4 QSFP28 optical transceiver designed for high-performance data center and enterprise network applications. It delivers 100 Gbps throughput over single-mode fiber using four CWDM wavelengths (1271, 1291, 1311, 1331 nm) with duplex LC connectors, supporting link distances up to 2 km. This hot-swappable module is fully compliant with IEEE 802.3ba/bm, 100G CWDM4 MSA, and QSFP28 MSA standards, and includes digital diagnostics monitoring for real-time performance visibility.

Features

100GBASE-CWDM4 technology with four 25 Gbps CWDM lanes
- Four wavelength multiplexing (1271, 1291, 1311, 1331 nm) on single fiber pair
- Hot-pluggable QSFP28 form factor for easy installation and maintenance
- Digital Diagnostics Monitoring (DDM) for proactive network management
- Low power consumption typically under 3.5W
- RoHS compliant and lead-free construction
- Excellent ESD protection and EMI shielding
- Duplex LC connector for standard single-mode fiber infrastructure
- Commercial temperature range (0°C to 70°C) for standard data center environments
- Fully compliant with QSFP28 MSA, IEEE 802.3ba/bm, and 100G CWDM4 MSA standards
- Ideal for data center interconnects, enterprise core networks, and high-performance computing applications

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

Form Factor: QSFP28
- Data Rate: 100 Gbps (4 x 25 Gbps lanes)
- Wavelengths: 1271, 1291, 1311, 1331 nm (CWDM4)
- Maximum Distance: 2 km over single-mode fiber (SMF, OS2)
- Connector Type: Duplex LC
- Optical Budget: 3.5 dB minimum
- Compliance: IEEE 802.3ba, IEEE 802.3bm, 100G CWDM4 MSA, SFF-8665, SFF-8636, ITU-T G.694.2
- Digital Diagnostics Monitoring (DDM): Supported via I2C interface
- Operating Temperature: 0°C to 70°C (commercial)
- Power Consumption: <3.5W typical
- Hot-Swappable: Yes
- RoHS Compliant: Yes

FAQs

Q: What is the maximum link distance for the QSFP-100G-CWDM4?
A: The QSFP-100G-CWDM4 supports link distances up to 2 km over standard G.652 single-mode fiber (OS2) with a minimum optical budget of 3.5 dB.

Q: Which fiber type is required for this transceiver?
A: This transceiver requires single-mode fiber (SMF) with duplex LC connectors. It uses four CWDM wavelengths (1271, 1291, 1311, 1331 nm) multiplexed onto a single fiber pair, eliminating the need for parallel fiber infrastructure.

Q: Is the QSFP-100G-CWDM4 compatible with Arista switches?
A: Yes, the QSFP-100G-CWDM4 is compatible with Arista switches featuring 100G QSFP28 ports. Consult Arista's Transceiver and Cable Guide for specific platform compatibility and supported configurations.

Q: Does this module support digital diagnostics monitoring?
A: Yes, the transceiver includes DDM/DOM support via the I2C interface, providing real-time access to operating parameters such as optical output power, receive power, temperature, transmit bias current, and supply voltage.

Q: What standards does the QSFP-100G-CWDM4 comply with?
A: The module complies with IEEE 802.3ba and 802.3bm for 100GBASE-CWDM4, 100G CWDM4 MSA, QSFP28 MSA, SFF-8665, SFF-8636, and ITU-T G.694.2 standards, ensuring broad interoperability with industry-standard equipment.

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