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Product features:
Managed 48-Port 10/100 Stackable Switch + 4 Gigabit Ports + 2 Combo SFP Slots
EOL
General features:

Interface
- 48 10/100BASE-TX
- 2 10/100/1000BASE-T
- 2 Combo 10/100/1000BASE/SFP

Console Port
RS-232 Console Port

Performance
Switching Capacity
17.6 Gbps

64-Byte Packet Forwarding Rate
13.1 Mpps

MAC Address Table Size
8K

SDRAM for CPU
64 MB

Packet Buffer

512 KB

Flash Memory
8 MB

Jumbo Frame

(2048 Bytes Tagged, 2044 Bytes Un-Tagged)

Diagnostic LEDs
- Power (Per Device)
- Console (Per Device)
- Link/Activity (Per Port)
- Speed Indicator (Per Port)

MTBF (Hours)
248,271 hours

Heat Dissipation
64.1 BTU per hour

Power Input
100 to 240 VAC, 50 to 60 Hz Internal Universal Power Supply

Power Consumption
25.5W

Dimensions
441 (W) x 309 (D) x 44(H) mm (17.36 x 8.15 x 1.73 inches)

Size
- 19-inch Standard Rack-Mount
- Width,1U Height

Ventilation DC Fan
3 DC Fans

Operating Temperature
0˚ to 40˚ C (32˚ to 104˚ F)

Storage Temperature
-40˚ to 70˚ C (-40˚ to 158˚ F)

Operating Humidity
5% to 95% non-condensing

EMI
FCC Class A, CE, C-Tick, VCCI Class A

Safety
cUL, LVD

Software Features
Stackability

+ Virtual Stacking:
- Supports D-Link Single IP Management
- Up to 32 devices per Virtual Stack

L2 Features
+ MAC Address Table: 8k
+ Jumbo Frames support up to 2048 bytes
+ IGMP Snooping:
- IGMP v1/v2 Snooping
- Supports 256 groups
- Port-based IGMP Snooping Fast Leave
+ Limited IP Multicasting:
- Up to 24 IGMP fltering profles, 128 ranges per profle
+ MLD Snooping:
- MLD v1/v2 Snooping
- Supports 256 groups
- MLD Snooping Fast Leave
+ IGMP Authentication
+ Spanning Tree:
- 802.1D-2004 Edition STP
- 802.1w RSTP
- 802.1s MSTP
- BPDU Filtering
- Root Restriction
+ Loopback Detection (LBD)
+ 802.3ad Link Aggregation:
- Max. 6 groups per device, 8 ports per group
+ Port Mirroring:
- Supports One-to-One, Many-to-One, Flow-based
Mirroring
+ Flow Control:
- 802.3x Flow Control
- HoL Blocking Prevention

VLAN
+ 802.1Q Tagged VLAN
+ VLAN Group:
- Max. 4K VLAN
+ Port-based VLAN
+ GVRP:
- Max. 255 Dynamic VLAN
+ Asymmetric VLAN
+ Double VLAN (Q-in-Q):
- Port-based Q-in-Q
+ ISM VLAN

Quality of Service (QoS)
+ Bandwidth Control:
- Port-based (Ingress/Egress, min. granularity 64kbps)
- Flow-based (Ingress, min. granularity 64kbps)
+ 4 queues per port
+ 802.1p Quality of Service
+ Queue Handling:
- Strict
- Weighted Round Robin (WRR)
+ CoS based on:
- Switch Port
- VLAN ID
- 802.1p Priority Queues
- MAC Address
- IP Address
- DSCP
- Protocol Type
- TCP/UDP Port
- User-Defned Packet Content
+ Time Based QoS

Access Control List (ACL)
+ Up to 256 Access Rules
+ ACL based on:
- 802.1p Priority
- VLAN ID
- MAC Address
- Ether Type
- IP Address
- DSCP
- Protocol Type
- TCP/UDP Port Number
- User Defned Packet Content
+ Time-based ACL
+ CPU Interface Filtering

Security
+ SSH v2
+ SSL v1/v2/v3
+ Port Security up to 16 MAC address per port
+ Broadcast/Multicast/Unicast Storm Control
+ Traffc Segmentation
+ IP-MAC-Port Binding (IMPB):
- ARP Packet Inspection
- IP Packet Inspection
- DHCP Snooping
- Supports 500 Address Binding Entries per device
+ D-Link Safeguard Engine

AAA
+ 802.1X:
- Port-based Access Control
- Host-based Access Control
- Dynamic VLAN Assignment
+ Guest VLAN
+ RADIUS Accounting
+ RADIUS and TACACS + authentication for switch access

Management
+ Web-Based GUI
+ Command Line Interface (CLI)
+ Telnet Server/Client
+ TFTP Client
+ XModem
+ ZModem
+ SNMP v1/v2c/v3
+ SNMP Traps
+ RMON v1:
- Supports 1,2,3,9 groups
+ RMON v2:
- Supports ProbeConfg group
+ BootP/DHCP Client
+ DHCP Auto-Confguration
+ DHCP Relay
+ DHCP Relay Option 82
+ System Log
+ Dual Image
+ CPU Monitoring
+ SNTP
+ LLDP
+ Debug Command
+ Cable Diagnostics

MIB/IETF Standard
+ RFC2866 RADIUS Accounting
+ RFC2138 RFC2139 RADIUS Auth. for Management Access
+ RFC1492 TACACS + Auth for Management Access
+ RFC2068 HTTP
+ RFC768 UDP
+ RFC783 TFTP
+ RFC791 IP
+ RFC792 ICMP
+ RFC793 TCP
+ RFC826 ARP
+ RFC854 Telnet
+ RFC783 TFTP
+ RFC1157, 1901, 1908, 2570, 2575 SNMP
+ RFC2819 RMON v1
+ RFC951, 1542 BootP/DHCP client
+ RFC3046 DHCP relay
+ RFC3164, 3195 System Log
+ RFC1213 MIB II
+ RFC1493 Bridge
+ RFC1907 SNMP v2 MIB
+ RFC1757, 2819 RMON
+ RFC2021 RMON v2
+ RFC1643, 2358, 2665 Ether-like MIB
+ RFC2674 802.1p
+ RFC2233, 2863 IF MIB
+ RFC2618 RADIUS Authentication Client
+ RFC2620 RADIUS Accounting Client MIB
+ RFC2925 Ping & TRACEROUTE
+ Private MIB



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