• DS-3E2528 supports the telecom-level Ethernet-ring protection protocol with a protection shift time of less than 50ms, STP/RSTP, backup of active and standby uplinks, and LACP link aggregation to cater to the requirements of high reliability of carriers;
• DS-3E2528 has powerful ACL functions to access and control L2-L7 data, providing carriers flexible and various policy control methods;
• DS-3E2528 supports In-Service Software Upgrade (ISSU) to ensure the unremitting data forwarding during system upgrade;
• DS-3E2528 supports various L2 multicast functions such as IGMP-snooping, user fast-leave mechanism and trans-vlan multicast copy;
• DS-3E2528 supports priority retagging and complicated flow classification based on VLAN, MAC, source address, destination address, IP or priority to better streamline carrier’s services;
• DS-3E2528 provides flexible bandwidth control policies, supporting port-/flow-based flow limit, and ensuring the line speed forwarding of each port to make sure the high quality of network services;
• DS-3E2528 supports multiple queue schedule algorithms such as SP, WRR, or “SP plus WRR”;
• Equipment-level security: The advanced hardware infrastructure design realizes the level-based packet schedule and packet protection, prevents DoS-/TCP-related SYN Flood, UDP Flood, Broadcast Storm or large traffic attacks, and supports level-based command line protection, endowing different levels of users with different management permissions;
• Perfect security authentication mechanisms: IEEE 802.1x, Radius and BDTacacs+;
• DS-3E2528 supports storm/multicast/unicast limit which ensures the normal running of equipment in harsh network conditions;
• DS-3E2528 supports perfect ring detection mechanism which ensures the long-term stable running of network;
• DS-3E2528 supports port isolation within the same VLAN, DHCP-Snooping, and IP plus MAC plus Port binding for ensuring user data security;
• DS-3E2528 supports many management modes such as the console port, Telnet, SSH;
• DS-3E2528 supports the WEB management mode, which is easy and efficient so that it makes installation and debugging convenient;
• DS-3E2528 supports TFTP-patterned file upload/download management;

Network Parameters

• Porti: 24 × 1 Gbps RJ45 port,4 × 1 Gbps fiber optical port
• MAC Address Table: 8 K
• Switching Capacity: 56 Gbps
• Packet Forwarding Rate: 42 Mpps

Software Function

• VLAN: 4K VLAN, GVRP, QinQ, Private VLAN
• QoS:

  Flow classification based on L2 to L4 protocols

  CAR flow limit

  802.1P/DSCP priority re-labeling

  SP, WRR, and SP+WRR\”

  Congestion avoidance mechanisms like Tail-Drop and WRED

  Flow monitoring and flow shaping

• Multicast:

  IGMP v1/v2/v3

  IGMP snooping

  IGMP Fast Leave

  Multicast group strategy and quantity limitation

• Management Method:

  Console, Telnet, SSH2.0, Web

  SNMP v1/v2/v3

  TFTP

  RMON

• Security:

  L2/L3/L4 ACL flow identification and filtration

  DDoS attack prevention, TCP’s SYN Flood attack prevention, UDP Flood attack prevention, etc.

  Broadcast/multicast/unknown unicast storm-control

  Port isolation

  Port security, and IP+MAC+port\” binding”

General

• Net Weight: 2.68 kg (5.91 lb)
• Gross Weight: 3.6 kg (7.94 lb)
• Dimensions (W × H × D): 440.00 mm × 45.00 mm × 230.00 mm (17.32” × 1.77” × 9.06”)
• Operating Temperature: 0 °C to 45 °C (32 °F to 113 °F)
• Operating Humidity: 5% to 95% (no condensation)
• Power Supply: 100-240 VAC, 50 Hz ± 10%
• Power Consumption: < 15W

Approval

• EMC: FCC (ANSI C63.4, 47 CFR PART 15B); CE-EMC/RCM (EN 55032: 2015+A11:2020, EN IEC 61000-3-2: 2019, EN 61000-3-3: 2013+A1:2019, EN 50130-4:2011+A1:2014, EN 55035:2017+A11:2020); IC (ICES-003: Issue 22)
• Safety: UL (UL 62368-1); CB/RCM (IEC 62368-1:2014); CE-LVD (EN 62368-1:2014+A11:2032)
• Chemistry: CE-RoHS (2011/65/EU); WEEE (2012/19/EU); Reach (Regulation (EC) No 1907/2021)