SFP-1G-T-AR: Arista 1000BASE-T SFP Copper RJ-45 Transceiver Module
Also listed as: SFP-1G-T, SFP-1G-T-C
The Arista SFP-1G-T-AR is a 1000BASE-T SFP copper transceiver converting an SFP port into an RJ-45 Gigabit Ethernet port over twisted pair cabling up to 100 meters.
Specifications
| Part number | SFP-1G-T-AR |
|---|---|
| Brand | Arista |
| Type | Transceivers |
| Other numbers | SFP-1G-T, SFP-1G-T-C |
| Status | current |
| Form factor | SFP |
| Speed | 1GbE |
| Connector | RJ-45 |
| Cable type | Cat5e / Cat6 UTP |
| Max distance m | 100 |
About the SFP-1G-T-AR
The Arista SFP-1G-T-AR copper transceiver module converts a standard SFP or SFP+ port into an 8-pin RJ-45 Gigabit Ethernet connection. It delivers reliable 1Gbps connectivity over standard structured twisted pair copper wiring up to 100 meters, making it practical for connecting management networks, console servers, and local appliances.
Compatibility
Compatible with Arista 7020, 7050, 7150, 720XP, and 7280 Series switches. It operates seamlessly in SFP slots and multi-speed SFP+ ports configured for 1000BASE-T operation under Arista EOS without requiring special software commands or supplementary licensing packages.
How to identify a genuine unit
Enclosed in a rugged metal SFP casing with an integrated RJ-45 modular socket and locking extraction lever. The manufacturing label confirms Arista Networks branding, model identifier SFP-1G-T, serial number, engineering revision, and regulatory certification markers.
Buying used
Inspect the RJ-45 connector socket to ensure that internal contact pins are straight, uncorroded, and spring-loaded. Test in a switch port with a network patch cable to verify that link establishes cleanly at 1000Mbps full duplex with zero packet transmission drops.
Fits these models
Check compatibility with Arista
Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that Arista has tested with the Arista SFP-1G-T-AR.
- Compatibility Arista transceivers and cables
- Support Arista Support
FAQ
What cable types are supported by SFP-1G-T-AR?
It supports standard Category 5e and Category 6 unshielded twisted pair copper cables up to 100 meters.
Does this transceiver support auto-negotiation?
Yes, it supports automatic speed negotiation and auto-MDI/MDIX crossover detection.
Buying or selling SFP-1G-T-AR?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.
Sources
- Arista Transceiver and Cable Guide, checked 2026-10-27