Cisco offers a wide variety of connectivity components to accommodate the range of application needs in customer networks. The network components assure customers that they can choose a connectivity solution that fits their requirements.The WS-X6348-RJ-45 module has enhanced QoS features and 128k per port packet buffers. The WS-X6348-RJ-45 module will also accept a field-upgradeable voice daughter card in a future release to provide inline power to IP telephones.