Arista 100GBASE-FR QSFP Transceiver, 2 km Duplex Single-Mode

A two kilometer duplex single-mode link at 100GbE is what the Arista 100GBASE-FR QSFP Transceiver, part number QSFP-100G-FR, is rated to serve. The connector is duplex LC, and the form factor is QSFP28 with a single port.

That distance suits campus links and large facilities where shorter-rated modules would run short. Since the module uses a standard fiber pair, it works with ordinary duplex single-mode patching and trunks, and no parallel MPO cabling is involved.

If your links are all inside a building, a shorter-rated module is usually enough. If you have a few longer segments that reach toward the rating, this module provides margin without moving to the much more expensive long-reach class.

Host acceptance of optics varies by platform. Check the supported-optics information for your Arista switch, and make sure the far end of the link uses a compatible module of the same type.

As a planning step, measure the real cable route, including patch panels, rather than relying on floor-plan distances.

The QSFP-100G-FR is offered new, refurbished and used. New and refurbished modules carry 1 year or 3 years of warranty, and used modules carry 90 days. Send your quantity and platform when you request pricing.