EXT-40G-4X10GLR Extreme Compatible 40G LR 10km SMF Transceiver

The EXT-40G-4X10GLR is a 40G optical transceiver compatible with Extreme platforms. Hot-swappable; breakout mode is configured on the host platform.

• Data Rate: 40G
• Protocol: LR Breakout
• Fiber Type: SMF
• Reach: 10km
• Connector: MPO to 4x LC Duplex
• OEM Equivalent: EXT-40G-4X10GLR

Compatibility: Compatible with Extreme platforms — accepted in 40G QSFP+ ports on the Extreme 8720 Switch, ExtremeSwitching X670-G2 Series, ExtremeSwitching X690 Series, ExtremeSwitching X770 Series, SLX 9640, VSP 4900 Series, and VSP 7400 Series. This module follows Extreme's published compatibility matrix; for your exact line card or OS release, email 10.4@tenfouroptics.com and we'll confirm fit.

Works with: 4× 10G LR (SMF) optics at the far end — this module runs 40G as four 10G lanes in breakout mode.

Tested & Proven: Every TenFour Optics part is coded, tested, and verified before shipment — see Tested & Proven.

OEM-compatible and MSA-compliant. Manufactured to MSA specifications following ISO-certified processes. Class 1 laser certified, RoHS compliant. Digital Diagnostic Monitoring (DDM/DOM) supported. Every module is tested for traffic conformity per supported layer 2/3 protocols, DOM threshold verification, EEPROM/MSA value verification, serial number verification, and optical cleanliness before shipment.

Backed by the GreenLights4Life® Limited Lifetime Replacement Warranty. In-stock items ship same or next business day.