ZyXEL transceivers family follow industry standard to secure the compatibility with other brands' switches having no proprietary technology barrier. Rich portfolio for Fast and Gigabit Ethernet, just plug in the proper one, users can extend the physical network boundary as far as they wish. Independent ZyXEL transceiver design provides the highest flexibility for network maintenance. Apart with switch, transceivers can be added when they are really in need. Moreover, infrastructure upgrade or transceivers repair can be done easily by just changing transceiver, not whole device.