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DS-3E2728P-H(B)

  • Supports 802.3at/POE+ power supply standard.
  • Supports unique ARP intrusion detection to effectively prevent hackers or attackers from carrying out increasingly prevalent "ARP spoofing attacks" via ARP packets.
  • Supports IP Source Guard to prevent illegal address spoofing, including MAC spoofing, IP spoofing, and MAC/IP spoofing, as well as DoS attacks. Additionally, leveraging the trusted port feature of DHCP Snooping effectively eliminates unauthorized DHCP servers, ensuring the authenticity and consistency of the DHCP environment.
  • Supports the port security feature set, which can effectively prevent MAC address-based attacks and implement MAC address-based traffic allowance/restriction. Provides 802.1X and MAC authentication methods to authenticate accessing users. Through the application of these functions, comprehensive verification and control over the legitimacy of accessing users can be achieved.
  • Supports L2 (Layer 2) to L4 (Layer 4) packet filtering and provides flow classification technology. Offers flexible queue scheduling algorithms that can be configured based on both ports and queues, supporting SP, WRR, and SP+WRR modes.
  • Supports bidirectional ACLs for ingress/egress directions, traffic policing, and port/flow mirroring for both ingress and egress directions to monitor packets on specified ports for network detection and troubleshooting.
  • Supports port rate limiting and flow rate limiting functions to prevent malicious occupation of network bandwidth, while also providing a means for fine-grained management of network bandwidth.
  • Supports SNMPv1/v2/v3 (Simple Network Management Protocol), CLI command line, Web-based network management, and TELNET for more convenient device management. Additionally, supports encrypted methods such as SSH2.0 to enhance management security.
  • Supports Energy Efficient Ethernet (EEE). If a port remains idle for a continuous period, the system will set it to energy-saving mode. When packet transmission or reception is required, the port is awakened by periodically sent listening code streams to resume services, achieving energy efficiency.
  • Supports lightning protection level of 6KV.
  • Supports CPU security protection strategies.
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Available models:

DS-3E2728P-H(B)
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DS-3E2728P-H(B) NEW
Data Sheet

Specification

  • Hardware Specifications
  • Port24 × Gigabit PoE port,4 × 10 Gigabit SFP+ port
  • Switching Capacity128 Gbps
  • Packet Forwarding Rate95.23 Mpps
  • Power Supply1 fixed PSU(s)
  • Fan3 fixed fan(s)
  • MAC Address Capacity16 K
  • Cache12 Mbits
  • Dimensions (W × H × D)440.0 mm × 43.6 mm × 260.0 mm (17.32'' × 1.72'' × 10.24'')
  • Net Weight3.7 kg (8.16 lb)
  • Gross Weight3.95 kg (8.71 lb)
  • Operating Temperature-5°C to 45°C (23°F to 113°F)
  • Operating Humidity5% to 95% (no condensation)
  • Storage Temperature-5°C to 70°C (23°F to 158°F)
  • Storage Humidity5% to 95% (no condensation)
  • Installation Mode1U Rack Mounting (19'' width)
  • Power Supply MethodAC: 100-240 V, 50/60 Hz, 6.0 A
  • Console Port1 × Console Port
  • Power Consumption (Idle)Single AC: 18 W
  • Power Consumption (Max. Load)Single AC: 451 W (PoE: 375 W)
  • Surge Protection6 kV
  • Packing ListSwitch × 1 AC Power Cord × 1 L-Shaped Bracket Kit × 1 Console Cable × 1 Grounding Cable × 1 Cable Retention Clip × 1 Rubber Foot × 4 Quick Start Guide × 1 Regulatory Compliance and Safety Information × 1
  • PoE Power Supply
  • PoE StandardIEEE 802.3af,IEEE 802.3at
  • PoE PortPoE: Ports 1 to 24
  • Max. Port Power35 W
  • PoE Power Budget451W（POE:375W）
  • PoE Power PinEnd-span: 1/2(-), 3/6(+)
  • Long-Range PoEPorts 1 to 24: up to 250 m
  • PoE WatchdogSupported
  • PoE Compatibility ModeSupported
  • Service Features
  • Flow ControlSupported
  • Link AggregationSupports static aggregation. Supports dynamic aggregation via LACP. Supports cross-device aggregation (MLAG).
  • Auto-Negotiation10 Gigabit SFP+ ports 25 to 28: 10G/1G rate adaptation
  • VLANSupports 4K VLANs. Supports MAC-based VLAN. Supports MVRP/GVRP. Supports QinQ. Supports flexible QinQ. Supports VLAN mapping.
  • MulticastSupports IGMP v1/v2/v3 Snooping
  • STPSupports STP(IEEE 802.1d). Supports RSTP(IEEE 802.1w). Supports MSTP(IEEE 802.1s).
  • Private Loop DetectionSupported
  • Storm ControlSupported
  • MirroringSupports local port mirroring
  • IPv4 ServiceSupports Ping. Supports Telnet. Supports FTP. Supports TFTP. Supports Traceroute. Supports DNS. Supports ARP. Supports ARP Proxy.
  • IPv4 RoutingSupports static routing. Supports OSPFv2. Supports RIPv1/v2. Supports policy-based routing (PBR). Supports BFD.
  • IPv6 ServiceSupports Ping6. Supports Traceroute6. Supports Neighbor Discovery (ND). Supports DNSv6.
  • IPv6 RoutingSupports IPv6 static routing. Supports policy-based routing (PBR). Supports BFD for IPv6.
  • DHCPSupports DHCP Client. Supports DHCP Snooping. Supports DHCP Snooping Option 82/DHCP Relay Option 82. Supports DHCPv6 Client. Supports DHCPv6 Snooping.
  • Cable DetectionSupports virtual cable test (VCT). Supports device link detection protocol (DLDP).
  • VirtualizationSupports stacking, maximum stacking quantity: 9 units
  • 802.1X AuthenticationSupported
  • MAC AuthenticationSupported
  • Portal AuthenticationSupported
  • RADIUSSupports RADIUS authentication.
  • TACACS+Supports TACACS+ authentication.
  • ACLSupports L2 to L4 packet filtering. Supports ACL definitions based on source/destination MAC address, source/destination IP address (IPv4/IPv6), IP protocol type, TCP/UDP port number or port range, VLAN ID, etc. Supports Time Range-based ACLs. Supports ACL application globally, on ports, or to VLANs. Supports Basic ACL, Advanced ACL, and MAC ACL configurations. Supports Expert ACLs. Supports inbound, outbound, and VLAN-based ACLs.
  • QoSSupports 802.1p/DSCP priority mapping. Supports queue scheduling mechanisms including SP, WRR, SP+WRR. Supports traffic shaping. Supports priority marking and remarking.
  • SecuritySupports DoS attack protection. Supports IP Source Guard (IPv4/IPv6). Supports HTTPS. Supports ARP detection. Supports ARP source suppression. Supports ND snooping. Supports IP-MAC binding. Supports port security.
  • LLDPSupports LLDP.
  • Operation Management
  • Status AlarmSupported
  • SSHSupported
  • TelnetSupported
  • SNMPSupports SNMPv1. Supports SNMPv2. Supports SNMPv3.
  • Clock ManagementSupports NTP.
  • RMONSupported
  • sFlowSupported
  • FTPSupported
  • TFTPSupported
  • SFTPSupported
  • XmodemSupported
  • Y.1731Supported
  • Approval
  • EMCCE-EMC (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)
  • SafetyCB (IEC 62368-1: 2023, CE-LVD (EN 62368-1: 2024+A11: 2024)
  • ChemistryReach (Regulation (EC) No.1907/2006),WEEE (2012/19/EU),CE-RoHS (2011/65/EU)
*Product performance is based on testing in a controlled environment. Your results may vary due to several external and environmental factors.

Specification

Hardware Specifications
Port
24 × Gigabit PoE port,4 × 10 Gigabit SFP+ port
Switching Capacity
128 Gbps
Packet Forwarding Rate
95.23 Mpps
Power Supply
1 fixed PSU(s)
Fan
3 fixed fan(s)
MAC Address Capacity
16 K
Cache
12 Mbits
Dimensions (W × H × D)
440.0 mm × 43.6 mm × 260.0 mm (17.32'' × 1.72'' × 10.24'')
Net Weight
3.7 kg (8.16 lb)
Gross Weight
3.95 kg (8.71 lb)
Operating Temperature
-5°C to 45°C (23°F to 113°F)
Operating Humidity
5% to 95% (no condensation)
Storage Temperature
-5°C to 70°C (23°F to 158°F)
Storage Humidity
5% to 95% (no condensation)
Installation Mode
1U Rack Mounting (19'' width)
Power Supply Method
AC: 100-240 V, 50/60 Hz, 6.0 A
Console Port
1 × Console Port
Power Consumption (Idle)
Single AC: 18 W
Power Consumption (Max. Load)
Single AC: 451 W (PoE: 375 W)
Surge Protection
6 kV
Packing List
Switch × 1 AC Power Cord × 1 L-Shaped Bracket Kit × 1 Console Cable × 1 Grounding Cable × 1 Cable Retention Clip × 1 Rubber Foot × 4 Quick Start Guide × 1 Regulatory Compliance and Safety Information × 1
PoE Power Supply
PoE Standard
IEEE 802.3af,IEEE 802.3at
PoE Port
PoE: Ports 1 to 24
Max. Port Power
35 W
PoE Power Budget
451W（POE:375W）
PoE Power Pin
End-span: 1/2(-), 3/6(+)
Long-Range PoE
Ports 1 to 24: up to 250 m
PoE Watchdog
Supported
PoE Compatibility Mode
Supported
Service Features
Flow Control
Supported
Link Aggregation
Supports static aggregation. Supports dynamic aggregation via LACP. Supports cross-device aggregation (MLAG).
Auto-Negotiation
10 Gigabit SFP+ ports 25 to 28: 10G/1G rate adaptation
VLAN
Supports 4K VLANs. Supports MAC-based VLAN. Supports MVRP/GVRP. Supports QinQ. Supports flexible QinQ. Supports VLAN mapping.
Multicast
Supports IGMP v1/v2/v3 Snooping
STP
Supports STP(IEEE 802.1d). Supports RSTP(IEEE 802.1w). Supports MSTP(IEEE 802.1s).
Private Loop Detection
Supported
Storm Control
Supported
Mirroring
Supports local port mirroring
IPv4 Service
Supports Ping. Supports Telnet. Supports FTP. Supports TFTP. Supports Traceroute. Supports DNS. Supports ARP. Supports ARP Proxy.
IPv4 Routing
Supports static routing. Supports OSPFv2. Supports RIPv1/v2. Supports policy-based routing (PBR). Supports BFD.
IPv6 Service
Supports Ping6. Supports Traceroute6. Supports Neighbor Discovery (ND). Supports DNSv6.
IPv6 Routing
Supports IPv6 static routing. Supports policy-based routing (PBR). Supports BFD for IPv6.
DHCP
Supports DHCP Client. Supports DHCP Snooping. Supports DHCP Snooping Option 82/DHCP Relay Option 82. Supports DHCPv6 Client. Supports DHCPv6 Snooping.
Cable Detection
Supports virtual cable test (VCT). Supports device link detection protocol (DLDP).
Virtualization
Supports stacking, maximum stacking quantity: 9 units
802.1X Authentication
Supported
MAC Authentication
Supported
Portal Authentication
Supported
RADIUS
Supports RADIUS authentication.
TACACS+
Supports TACACS+ authentication.
ACL
Supports L2 to L4 packet filtering. Supports ACL definitions based on source/destination MAC address, source/destination IP address (IPv4/IPv6), IP protocol type, TCP/UDP port number or port range, VLAN ID, etc. Supports Time Range-based ACLs. Supports ACL application globally, on ports, or to VLANs. Supports Basic ACL, Advanced ACL, and MAC ACL configurations. Supports Expert ACLs. Supports inbound, outbound, and VLAN-based ACLs.
QoS
Supports 802.1p/DSCP priority mapping. Supports queue scheduling mechanisms including SP, WRR, SP+WRR. Supports traffic shaping. Supports priority marking and remarking.
Security
Supports DoS attack protection. Supports IP Source Guard (IPv4/IPv6). Supports HTTPS. Supports ARP detection. Supports ARP source suppression. Supports ND snooping. Supports IP-MAC binding. Supports port security.
LLDP
Supports LLDP.
Operation Management
Status Alarm
Supported
SSH
Supported
Telnet
Supported
SNMP
Supports SNMPv1. Supports SNMPv2. Supports SNMPv3.
Clock Management
Supports NTP.
RMON
Supported
sFlow
Supported
FTP
Supported
TFTP
Supported
SFTP
Supported
Xmodem
Supported
Y.1731
Supported
Approval
EMC
CE-EMC (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)
Safety
CB (IEC 62368-1: 2023, CE-LVD (EN 62368-1: 2024+A11: 2024)
Chemistry
Reach (Regulation (EC) No.1907/2006),WEEE (2012/19/EU),CE-RoHS (2011/65/EU)
For better user experience, we highly recommend you to update your device to the latest firmware asap.
Specification
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PoE Power Supply
  • PoE Power Supply
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Service Features
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Operation Management
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Approval
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*Product performance is based on testing in a controlled environment. Your results may vary due to several external and environmental factors.

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