d-link dgs-108 metal 8-port 10/100/1000 switchoverviewthe dgs-108 8-port gigabit unmanaged desktop switch offers an economical way for soho and small and medium businesses to benefit from the increased bandwidth of gigabit ethernet. it provides eight gigabit ports for easy expansion of your network and a quick way to upgrade your network to gigabit connectivity.specificationskey featuresbuilt-in d-link green technologyinexpensive gigabit solution for home/sohoeight 10/100/1000 mbps gigabit ports16 gbps switching fabricauto mdi/mdix crossover for all portssecure store-and-forward switching schemefull/half-duplex for ethernet/fast ethernet speedsieee 802.3x flow controlsupports 9, 000 byte jumbo framessupports ieee 802.1p qos (4 queues, strict mode)supports cable diagnostics functionrohs compliantplug-and-play installationigmp snooping - multicast video/iptvstandardsieee 802.3 10base-t ethernet (twistedpair copper)ieee 802.3u 100base-tx fast ethernet (twisted-pair copper)ieee 802.3ab 1000base-t gigabit ethernet (twisted-pair copper)ansi/ieee 802.3 nway auto-negotiationieee 802.3x flow controlieee 802.1p qosieee 802.3az energy-efficient ethernet (eee)protocolcsma/cddata transfer ratesethernet: 10 mbps (half duplex), 20 mbps (full duplex)fast ethernet: 100 mbps (half duplex), 200 mbps (full duplex)gigabit ethernet: 2000 mbps (full duplex)topologystarnetwork cables10base-t: utp cat 3, 4, 5/5e (100 m max.), eia/tia-586 100-ohm stp (100 m max.)100base-tx, 1000base-t: utp cat 5/5e (100 m max.), eia/tia-568 100-ohm stp (100 m max.)media interface exchangeauto mdi/mdix adjustment for all portsled indicatorsper port: link/activity/speedper device: powertransmission methodstore-and-forwardmac address table8kmac address learningautomatic updatepacket filtering/forwarding ratesethernet: 14, 880 pps per portfast ethernet: 148, 800 pps per portgigabit ethernet: 1, 488, 000 pps per portram buffer128 kb per devicedc inputexternal 5 v/1 a level??v?? power adapterpower consumptionpower on (standby): dc input: 0.55w, ac input: 1.0wmaximum: dc input: 2.8w, ac input: 4.5wheat dissipationpower on (standby): ac input 3.41 btu/hmaximum: dc input 9, 548 btu/hmtbf2, 053, 751 hoursoperating temperature0 to 50? cstorage temperature10 to 70? coperating humidity10% to 90% rh non-condensingstorage humidity5% to 90% rh non-condensingdevice dimensions (wxdxh)162 x 102 x 28 mmcertificationsfcc class bices-003 class bce class bc-tick class bvcci class bculcb