The J3445A fiber interface that can be plugged into the Agilent Advisor LAN - Fast Ethernet Undercradle (J3444A). It allows the Fast Ethernet undercradle to be connected to fiber Fast Ethernet without the need for an external transceiver. The Agilent Advisor is a portable, full-featured network-analysis solution that allows users to install, support and maintain local area network (LAN), wide area network (WAN) and asynchronous transfer mode (ATM) networks by providing features that makes troubleshooting any network segment quick and easy.