• Silver-colored arista H-D400-4Q100-1M sfp+ transceiver modules with blue handles and metallic connectors for 400g active DAC
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Arista

Arista QSFP-100G-ERL4-Arista | 100G QSFP Transceiver, ERL4, SMF, 40km, LC

QSFP-100G-ERL4-Arista

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Description

This Arista 100GBASE-ERL4 transceiver is a QSFP100 optical module for long-reach 100G links over duplex LC single-mode fibre. It suits metro and data-centre interconnect (DCI) links of 30 to 40km between Arista switches or routers.

The ERL4 variant uses four 25G LAN-WDM lanes in the 1310nm band and reaches 30km without FEC. With Reed-Solomon FEC enabled on the host port it extends to 40km. Transmit power is -2.9 to +4.5 dBm per lane, and receive power is -16.9 to -4.9 dBm per lane at 30km or -20.9 to -4.9 dBm per lane at 40km with FEC. Maximum module power consumption is 4.5W. On short links, around 10dB of attenuation is needed to avoid receiver damage.

The module fits Arista QSFP100 ports and interoperates with IEEE 100GBASE-ER4 optics up to 30km. It runs on single-mode fibre (G.652), requires no licence or subscription, and is powered by the host port. Enable FEC on the host port with error-correction encoding reed-solomon for the full 40km reach.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Up to 40km over duplex single-mode fibre
- Interoperable with IEEE 100GBASE-ER4 up to 30km
- Standard QSFP100 form factor for high-density 100G deployments
- 40km reach enabled by Reed-Solomon FEC on the host switch or router
- Four 25G LAN-WDM lanes in the 1310nm band
- Suited to metro and data-centre interconnect links
- Powered by the host port, no licence required

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

- PHY type: 100GBASE-ERL4
- Form factor: QSFP100 (QSFP28)
- Connector type: Duplex LC
- Cable type: Single-mode fibre (SMF G.652)
- Wavelength: 1310nm band (4 x 25G LAN-WDM lanes)
- Max reach without FEC: 30km
- Max reach with FEC: 40km
- Tx power: -2.9 to +4.5 dBm per lane
- Rx power (without FEC): -16.9 to -4.9 dBm per lane
- Rx power (with FEC): -20.9 to -4.9 dBm per lane
- Optical interoperability: IEEE 100GBASE-ER4 up to 30km
- Maximum power consumption: 4.5W
- Module dimensions (H x W x D): 13.5 x 18.4 x 72.4mm
- Operating case temperature: 0 to 70 C
- Storage temperature: -40 to 70 C
- Relative humidity: 5 to 95%
- Operating altitude: 0 to 10,000 ft
- Minimum attenuation: approximately 10dB on short links

FAQs

Q: Does this transceiver need a licence or subscription?
A: No. It requires no licence or subscription and is powered by the host QSFP100 port.

Q: How do I get the full 40km reach?
A: Enable Reed-Solomon FEC on the host port using the command error-correction encoding reed-solomon. Without FEC the module is rated to 30km.

Q: What fibre and connector does it use?
A: It uses duplex LC connectors over single-mode fibre (G.652). Around 10dB of attenuation is needed on short links to avoid receiver damage.

Q: What is the power draw?
A: Maximum module power consumption is 4.5W, drawn from the host QSFP100 port.

Q: Will it link with other 100G ER4 optics?
A: It interoperates with IEEE 100GBASE-ER4 optics up to 30km.

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