The AT-MCR12 is Allied Telesis'' new media converter rackmount chassis. This rackmountable unit supports up to 12 Allied Telesis' media converters. This allows network managers to have the flexibility to use Allied Telesis'' MC1x family (10mbps) or MC10x family (100mbps) in the same rackmountable chassis. The chassis is powered by a single internal universal power supply, eliminating the need for multiple power connections.