AT-x900-48FS-60 48-Port 100FX (SFP) Fast Ethernet L3+ Per-Flow QoS IPv4/IPv6 Switch. One AC (AT-PWR02)Power Supply Factory fitted. AT-x900-48FS 48 x fast Ethernet SFP ports Layer 3 switch with 4 x Gigabit uplink ports. Advanced Layer 3 Switch featuring 48 100BASE-X SFP ports and 4 1000BASE-X SFP uplinks. Ideal for FTTH and FTTD, with Service Provider features, including dual AC or DC hot-swappable power supplies, best-in-class QoS, extended operating temperature, etc Features * 48 x 100Mbps SFP Bays * 4 x SFP Uplink Bays * Full Layer 3 line rate routing * Bandwidth limiting * Port-based network access control IEEE 802.1x * VLANs IEEE 802.1Q * Private VLANs * IPv6 hardware * VLAN double tagging (Q-in-Q) * Link aggregation IEEE 802.3ad * Port mirroring * SSL and SSH * Trigger facility * Advanced QoS * Advanced multicasting * DSCP (DiffServ) * Rapid Spanning Tree IEEE 802.1w * Link aggregation IEEE 802.3ad * Dual internal modular power supplies