| Item | DS-3E2528-H DS-3E2552-H DS-3E2528P-H 24×10/100/1000BASE-T ports 24×10/100/1000BASE-T ports, 48×10/100/1000BASE-T ports, |
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| Service ports | (POE+), 4×1000Base-X SFP 4×1000Base-X SFP ports. 4×1000Base-X SFP ports. ports. |
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| Whole-Device Performance:56 | Whole-Device Performance:104 Whole-Device Performance:56 |
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| 交換容量 | Gbps Gbps Gbps |
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| Port Performance:56 Gbps | Port Performance: 104 Gbps Port Performance:56 Gbps |
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| Whole-Device Performance:41.66 | Whole-Device Performance:77.38 Whole-Device |
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| 包轉發率 | Mpps Mpps Performance:41.66 Mpps |
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| Port Performance:41.66 Mpps | Port Performance:77.38 Mpps Port Performance:41.66 Mpps |
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| Management port | 1 Console port |
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| Electrical port | Half-duplex, full-duplex, and auto-negotiation |
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| attribute | MDI/MDI-X Dimensions 440×160×44 440×230×44 440×260×44 (W×D×H)（mm） |
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| Input voltage | AC：100V～240V AC，50/60Hz; Maximum voltage range: 90V to 264V,47Hz to 63Hz POE+ with the maximum 30w |
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| POE | N/A output power per port |
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| 功耗 | ≤ 23W ≤ 41W MAX: 448W (POE: 370W) |
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| 重量 | ≤ 2.5kg ≤ 3.5kg ≤ 4.5kg |
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| 工作溫度 | -5ºC to 45ºC |
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| 工作濕度 | 10% RH to 95% RH, non-condensing LLDP Static MAC configuration Limit of number of MAC addresses to be learned (up to 8K) |
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| Ethernet functions | Port mirroring and traffic mirroring Port aggregation (up to 24 groups and 8 ports for each group) Port isolation STP/RSTP/MSTP 802.1Q (up to 4K VLAN) Protocol-based VLAN MAC-based VLAN GUEST VLAN VLAN mapping MVRP |
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| IP routing | Static routing DHCP Relay |
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| DHCP | DHCP Client DHCP Snooping IGMP V1/V2/V3 snooping PIM Snooping Multicast VLAN IPv6 multicast setting SP/WRR/SP+WRR queue scheduling |
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| QoS | 802.1p and DSCP priority mapping Port speed limit ACL on Layer 2, Layer 3 and Layer 4 |
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| ACL | IPv4 and IPv6 ACLs VLAN ACL IPv6 static routing and dual-stack DHCPv6 Client and DHCPv6 Snooping ND and PMTU IPv6 Ping, IPv6 Telnet, IPv6 SSHv2, and IPv6 domain name resolution Ethernet OAM DLDP Smart Link Monitor Link Hierarchical user management and password protection SSH for a secure encrypted channel for user login Specific IP address based FTP logging and password mechanism Prevent attacks f |
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| 安全 | MAC address limit IP+MAC+PORT binding IEEE 802.1x Radius and AAA SNMPv3 Broadcast suppression Command line configuration via console/AUX Modem/Telnet/SSH Uploading and downloading of FTP, TFTP, and Xmodem, and SFTP files SNMP V1/V2c/V3 |
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| System management | sFlow NQA NTP clock System operating logs |
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