48-port gigabit smart managed switch with 4x 10g sfp+ ports - 48 x 10/100/1000mbps auto-negotiating ports - 4 x sfp+ ports - static route - auto surveillance vlan - auto voice vlan - dual images - dual configuration files - switching capacity 176 gbps - max power consumption 51.2w - half-/full-duplex, auto-negotiation, auto mdi/mdix - ieee 802.3x flow control - 802.3ad link aggregation - asymmetric vlan - 802.1p priority queues - mac/ip-based acl - 802.1x port-base access control, port security - lldp, lldp-med, smart binding, traffic segmentation - d-link safeguard engine - web based management, compact cli - d-view 7.0 support - 440 x 210x 44 mm - 3.01 kg