Cisco Mini-GBIC SFP Transceiver Quick Start Guide

About this manual

This guide provides step‑by‑step instructions for installing, connecting, and removing Cisco Mini‑GBIC SFP transceiver modules (MGBBX1, MFEBX1, MGBLX1, MFEFX1, MFELX1, MGBSX1, MGBLH1, MGBT1). It also lists supported switch models and downstream SFP part numbers.

Safety warnings remind users that optical SFPs emit invisible laser radiation and that ports should be covered when no fiber cable is attached. The document includes a compatibility table for Cisco Small Business switches and a brief section on manually configuring 100 M SFP modules.

What's inside

• Package Contents
• Connecting the Transceiver
• Removing the Transceiver
• Switch Compatibility List
• Manually Configuring the 100M SFP
• Where to Go From Here

Specifications

Frequently asked questions

How do I install a Mini‑GBIC SFP module?

Insert the module with the printed side up and the rubber port cap facing out, remove the cap, then connect the fiber or RJ‑45 cable as appropriate.

Which downstream SFP should be used with the Cisco MGBBX1?

Use the Cisco GLC‑BX‑D as the downstream SFP for the MGBBX1.