The document describes SUN Telecom's SUN-GE9100 series OLT, which features high reliability and flexibility. The OLT can support 8 Gigabit Ethernet PON ports connecting to 512 ONUs, and provides 8 Gigabit Ethernet uplink interfaces. It is suited for FTTx access solutions delivering Ethernet, voice, and CATV services over fiber. The OLT chassis supports hot-swappable cards including a main card and up to four PON cards. Related ONU models are also listed that support data, voice, and CATV services.