Houses and powers up to 12 media converters to help you create customized copper-to-fiber or copper-to-copper installations. Accepts up to 12 select media converters, including SC, ST and SFP types Rear fans keep equipment cool and connect to front LEDs for easy troubleshooting Compatible with primary and redundant DC or AC power supplies (AC supply included) On/off trigger guard helps prevent the power switch from being activated by accident Flexible installation options include desktop, wall and 3U rack with included hardware