Aprašymas

• Bendrieji duomenys
• ModelisGS2028PS4
• Ethernet prievadai24× 10/100/1000 Mbps PoE+ ports, 4× Gigabit Combo SFP/TP ports, 1× Console port
• PoE standartaiIEEE 802.3af (15.4W), IEEE 802.3at (30W)
• PoE išėjimo įtampaDC 48–55V
• PoE galios kontaktai1/2 (+), 3/6 (–)
• Įrenginio maksimali PoE galia300W
• Komutacijos talpa56 Gbps
• Perdavimo dažnis41.66 Mpps
• MAC adresų lentelė8K
• VLAN palaikymas4096 VLANs
• Dideli kadrai9.6 KB
• Paketų buferis4 MB
• Atmintis128 MB
• Flash atmintis16 MB
• Perdavimo režimasStore-and-forward
• Maitinimo įėjimasAC 110–240V; Output: DC 52V / 5.76A
• LED indikatoriaiSYS, PWR, Link/ACT
• Lightning/Surge ProtectionSurge: 6KV (common), 4KV (differential), ESD: 15KV
• Darbinė temperatūra-20°C ~ 55°C
• Laikymo temperatūra-40°C ~ 85°C
• Darbinė drėgmė10% ~ 95%, non-condensing
• Altitude ToleranceUp to 3,000 meters
• KorpusasFanless, 1U rackmount metal housing
• Matmenys445×285×45 mm
• Palaikomi protokolaiIEEE 802.3/3u/3ab/3ad/3az/3x/3af/3at, IEEE 802.1q, 802.1p, QoS, IGMP Snooping
• 2 lygio (L2) ypatybėsPort management, port mirroring, port isolation, speed/duplex/MTU config, LACP, static aggregation, flow control, storm suppression
• VLAN TypesPort-based, MAC-based, protocol-based, GVRP, Voice VLAN
• Aprėpiantys protokolaiSTP (802.1D), RSTP (802.1w), MSTP (802.1s)
• Multicast SupportIGMP Snooping v1/2/3, MLD Snooping
• Saugumas802.1X, AAA, TACACS+, ARP binding, DoS defense, port security
• Paslaugų kokybė (QoS)802.1p (COS), DSCP, IP/port-based classification, SP/WRR scheduling, CAR (rate limiting)
• DiagnosticsLLDP, VCT (cable test), ping, traceroute
• ValdymasWEB, CLI, SSH, Telnet, SNMP v1/v2/v3, RMON, DHCP Snooping, Option82
• MTBF100,000 hours