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Product features:
xStack L2+ Managed Stackable Gigabit Switch with 48 10/100/1000BASE-T PoE ports and 4 SFP+ ports
General features:
Interfaces
• 48 10/100/1000BASE-T PoE ports 
• 4 SFP+ ports 
• 1 Alarm Port
• 1 SD Card Slot
 
Optional Redundant Power Supply
DPS-700
 
Console Port
RJ-45
 
Management Port
10/100BASE-T
 
Performance
• Switching Capacity: 176Gbps
• Packet Forwarding Rate: 130.95Mpps
• Packet Buffer: 2MB
• MAC Address Table: 16K Entries
• IP v4/v6 Routing Table: 1K/512 Entries
• IP v4/v6 L3 Forwarding Table: 2K/1K Entries
• Jumbo Frame Size: 13Kbytes
 
PoE 
• PoE standard: 802.3af and 802.3at
• PoE Power Budget: 370Wt (740Wt with DPS-700 RPS)
 
Stackability
• Virtual Stacking
  - D-Link Single IP Management (SIM) 
  - Up to 32 units per Virtual Stack
  - Up to 20G stacking bandwidth
• Physical Stacking
  - Supports Duplex Chain/Ring topology
  - Up to 40G stacking bandwidth
  - Up to 12 units per stack
 
L2 Features
• MAC Address Table: 16K
• Flow Control
  - 802.3x Flow Control
  - HOL Blocking Prevention
• Jumbo Frames up to 13K Bytes
• IGMP snooping
  - IGMP v1/v2/v3 Snooping
  - Supports 960 groups
  - Host/port-based Fast Leave
• MLD Snooping
  - MLD v1/v2 Snooping
  - Supports 480 groups
  - Host-based MLD Snooping Fast Leave
• Spanning Tree
  - 802.1D-2004 STP
  - 802.1w RSTP
  - 802.1Q-2005 MSTP
  - BPDU filtering
  - Root Restriction
• Loopback Detection 
• 802.3ad Link Aggregation
• Max. 32 groups per device
  - 8 Gigabit ports or 2 10 Gigabit ports per group
• Port Mirroring
  - Support 4 Mirroring Groups
  - Support One-to-One, Many-to-One, Flow-based, and RSPAN mirroring
• L2 Protocol Tunneling 
• ERPS (Ethernet Ring Protection Switching)
 
VLAN
• VLAN Group
  - Max. 4K Static VLAN Groups
  - Max. 255 Dynamic VLAN Groups 
• 802.1Q Tagged VLAN
• 802.1v Protocol VLAN
• GVRP
• Double VLAN (Q-in-Q)
  - Port-based Q-in-Q
  - Selective Q-in-Q 2
• MAC-based VLAN
• VLAN Trunking
• 802.1Qbb 2
  
L3 Features
• 256 IP interfaces
• Loopback Interface
• IPv6 Tunneling
• Proxy ARP
• Gratuitous ARP
 
L3 Routing
• 1K routing entries shared by IPv4/v6
  - Max. 1K IPv4 routes
  - Max. 512 IPv6 routes
• 2K L3 forwarding entries shared by IPv4/v6
  - Max. 2K IPv4 entries
  - Max. 1K IPv6 entries
• 256 static routing entries for IPv4, 128 entries for IPv6 
  - Supports ECMP/WCMP
• RIP v1/v2
• RIPng
 
QoS (Quality of Service)
• 802.1p Class of Service (CoS)
• 8 Queues per Port
• Queue Handling
  - Strict Priority
  - Weighted Round Robin (WRR)
  - Strict + WRR
• CoS based on
  - Switch Port
  - VLAN ID
  - 802.1p Priority Queues
  - MAC Address
  - IPv4/v6 Address
  - DSCP
  - Protocol Type
  - IPv6 Traffic Class
  - IPv6 Flow Label
  - TCP/UDP Port 
  - User-defined Packet Content
• Supports following actions for flows:   
  - Remark 802.1p Priority Tag 
  - Remark TOS/DSCP Tag 
  - Bandwidth Control
  - Flow Statistics
  - Committed Information Rate (CIR), min. granularity 1Kbps  
• Bandwidth Control
  - Port-based (Ingress/Egress, min. granularity 64Kbps)
  - Flow-based (Ingress, min. granularity 64Kbps)
• Time-based QoS
 
Access Control List (ACL)
• Ingress ACL: support up to 6 profiles and 256 rules per profile
• Egress ACL: support up to 4 profiles and 128 rules per profile
• ACL based on
  - 802.1p Priority
  - VLAN ID
  - MAC Address
  - Ether Type
  - IPv4/IPv6 Address
  - DSCP
  - Protocol Type
  - TCP/UDP Port Number
  - IPv6 Traffic Class 
  - IPv6 Flow Label
  - User-defined Packet Content
• ACL Statistics
• Time-based ACL 
• CPU Interface Filtering 
 
Security
• SSH v2
• SSL v1/v2/v3
• Port Security up to 64 MAC addresses per port
• Broadcast/Multicast/Unicast Storm Control
• Traffic Segmentation
• IP-MAC-Port Binding
  - ARP Packet Inspection
  - IP Packet Inspection
  - DHCP Snooping
  - DHCPv6 and NDP Snooping
  - Supports up to 500 Address Binding Entries per device
• D-Link Safeguard Engine
• DHCP Server Screening
• CPU Interface Filtering
• ARP Spoofing Prevention
• BPDU Attack Protection
 
AAA
• 802.1X
  - Port-based Access Control
  - Host-based Access Control
  - Dynamic VLAN Assignment 
• Web-based Access Control (WAC)
  - Port-based Access Control
  - Host-based Access Control
  - Dynamic VLAN Assignment
• MAC-based Access Control (MAC)
  - Port-based Access Control
  - Host-based Access Control 
  - Dynamic VLAN Assignment
• Japan Web-based Access Control (Host-based JWAC)
  - Host-based Access Control 
• Microsoft®NAP
  - 802.1X NAP support
  - DHCP NAP support
• Guest VLAN
• RADIUS and TACACS+ authentication for switch access
• 4-Level user account
 
Management
• Web-based GUI 
• Command Line Interface (CLI)
• Telnet Server 
• Telnet Client 
• TFTP Client
• ZModem
• SNMP v1/v2c/v3
• SNMP Traps
• System Log
• RMON v1
  - Supports 1,2,3,9 groups
• RMON v2
  - Supports ProbeConfg Group
• sFlow
• LLDP/LLDP-MED
• BootP/DHCP Client 
• DHCP Auto-Configuration
• DHCP Relay 
• DHCP Relay Option 60, 61, 82
• DHCP Server 
• Flash File System
• Multiple Images
• Multiple Configurations
• CPU Monitoring
• Debug Command
• SNTP
• ICMPv6
• DHCPv6 Client
• DHCPv6 Relay
• DHCPv6 Server
• Trusted Host
• MTU Setting
• Microsoft®NLB Support
• UDP helper 
 
OAM
• 802.3ah Ethernet Link OAM
• 802.3ah D-Link Extension: D-Link 
  Unidirectional Link Detection (DULD)
• IEEE1588 Precision Time Protocol (PTP)
• Cable Diagnostics
• Connectivity Fault Management (CFM)
• ITU-T Y.1731
 
Green
• Power saving by Link Status
• Power saving by Cable Length
• Time-based PoE
 
MIB/IETF Standards
• RFC1213 MIB-II
• RFC1493 Bridge MIB
• RFC1907 SNMPv2 MIB
• RFC2571~2576 SNMP MIB
• RFC1271, 2819 RMON MIB
• RFC2021 RMON v2 MIB
• RFC2665 Ether-like MIB
• RFC2668 MAU MIB
• RFC2674 802.1p MIB
• RFC2233, 2863 IF MIB
• RFC2618 RADIUS Authentication Client MIB
• RFC1724 RIP v2 MIB
• RFC2096 IP Forwarding Table MIB (CIDR)
• RFC2620 RADIUS Accounting Client 
 
MIB
• Ping MIB
• Traceroute MIB
• D-Link Private MIB
• RFC768 UDP
• RFC783 TFTP
• RFC 791 IP
• RFC 793 TCP
• RFC 826 ARP
• RFC854 Telnet
• RFC951, 1542 BootP
• RFC2068 HTTP
• RFC3056, 5214 IPv6 Tunnel
• RFC2138 RADIUS
• RFC2139 RADIUS Accounting
• RFC1492 TACACS
• RFC3176 sFlow
• RFC2598 DiffServ Expedited Forwarding


MTBF (hours)
202462
 
Acoustic
< 30°C: 43.2dB
> 30°C: 54.8dB
 
Heat dissipation
1723.4BTU/h
 
Power Input
100 to 240VAC, 50/60Hz 
 
Max Power Consumption
505.4 watts
 
Dimensions
441 x 380 x 44mm
 
Weight
6.24kg
 
Ventilation
Smart Fan (Default low speed) 
 
Operating temperature
0° to 50°C 
 
Storage temperature
-40° to 70°C  
 
Operating humidity
10% to 90% non-condensing
 
Storage humidity
5% to 90% RH
 
Emission (EMI)
FCC Class A, CE Class A, VCCI Class A, IC, C-Tick
 
Safety
CB, cUL, LVD 
 
Certifications
IPv6 Ready Logo Phase 2
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