- Bendrieji duomenys
- ModelisGS2028PS4-400W
- 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 galia400W
- 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
- 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
SWITCHCUDYGS2028PS4400W
