Passport 1427T routing switch, 24port 10/100BTX, with North American power cord The Passport 1424T is a fixed port L3 switch. The switch features 24 ports of 10/100 and two GBIC slots. Wire-speed routing and a non-blocking architecture provide the performance required by today's bandwidth sensitive applications. For applications that have even more stringent requirements, four priority queues, with support for 802.1p and DiffServ, provide QoS within the network.