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Product features:
Gigabit Stackable SmartPro Switches with 10G Uplinks
EOL
General features:
Port Standards & Functions
IEEE 802.3 10BASE-T Ethernet, IEEE 802.3u 100BASE-TX Fast Ethernet, IEEE 802.3ab 1000BASE-T Gigabit Ethernet, 802.3ae 10 GbE, IEEE 802.3x Flow Control for Full-Duplex Mode, Auto-negotiation
Number of Ports
48 10/100/1000 Mbps,
2 Gigabit SFP,
2 10G SFP+
Network Cables
UTP Cat. 5, Cat. 5e (100 m max.)
EIA/TIA-568 100-ohm STP (100 m max.)
Full/Half Duplex
Full/half duplex for 10/100 Mbps and Gigabit speed
Media Interface Exchange
Auto or configurable MDI/MDIX
Performance
Switching Capacity
140 Gbps
Transmission Method
Store-and-forward
MAC Address Table
16,000 entries per device
MAC Address Update
Up to 512 static MAC entries
Enable/disable auto-learning of MAC addresses
Maximum 64 bytes Packet Forwarding Rate
104.16 Mpps
Packet Buffer Memory
3 MB per device
Software Features
Stackability
• Virtual Stacking Support
• D-Link Single IP Management
• Up to 32 devices per virtual stack
• Up to 20G stacking bandwidth
• Physical Stacking
• Supports Duplex Chain/Ring topology
• Up to 40G stacking bandwidth full duplex
• Up to 6 units per stack
L2 Features
• MAC Address Table: 16K
• Flow Control
• 802.3x Flow Control
• HOL Blocking Prevention
• Jumbo Frame up to 9000 Bytes
• IGMP Snooping
• IGMP v1/v2 Snooping
• IGMP v3 awareness
• Supports 512 IGMP groups
• Supports 128 static multicast addresses
• IGMP per VLAN
• Supports IGMP Snooping Querier
• Host-based IGMP Snooping Fast Leave
• MLD Snooping
• Supports MLD v1/v2 awareness
• Supports 512 groups
• Supports 128 Static Multicast Addresses
• Per VLAN MLD Snooping
• Host-based MLD Fast Leave
• MLD Snooping Querier
• Spanning Tree Protocol
• 802.1D STP
• 802.1w RSTP
• 802.1s MSTP
• Loopback Detection
• 802.3ad Link Aggregation
• Max. 32 groups per device/8 ports per group
• Port Mirroring
• Support 4 mirroring groups
• One-to-One, Many-to-One
• Supports Mirroring for Tx/Rx/Both
• Multicast Filtering
• Forwards all unregistered groups
• Filters all unregistered groups
• LLDP, LLDP-MED
VLAN
• 802.1Q Tagged VLAN
• 4K VLAN Groups
• Configurable VID: 0~4094
• Asymmetric VLAN
• Auto Voice VLAN
• Auto Surveillance VLAN
Quality of Service (QoS)
• 802.1p Quality of Service
• Queue Handling
• Strict
• Weighted Round Robin (WRR)
• 8 queues per port
• Bandwidth Control
• Port-based (Ingress/Egress, min. granularity for 10/100/1000 BASE-T ports is 64 Kb/s)
• CoS based on
• 802.1p priority
• VLAN
• MAC address
• Ether type
• IP address
• DSCP
• Protocol type
• TCP/UDP port number
• DSCP of IPv6 Traffic Class
• IPv6 flow label
L3 Features
• ARP
• 256 Static ARP
• Supports Gratuitous ARP
• IPv6 Neighbour Discovery (ND)
• Default Routing
• Static Routing
• 64 IPv4 Static Route Entries
• 32 IPv6 Static Route Entries
Access Control List (ACL)
• ACL based on
• 802.1p priority
• VLAN
• MAC address
• Ether type
• IP address
• DSCP
• Protocol type
• TCP/UDP port number
• DSCP of IPv6 Traffic Class
• IPv6 flow label
• ACL Actions
• Permit
• Deny
• Max. 256 access list
• Max. 768 rules
• Single or multiple ports (each rule)
• Time-based ACL
• ACL Statistics
Security
• Port Security
• Supports up to 128 MAC addresses per port
• Broadcast/Multicast/Unicast Storm Control
• Dynamic ARP Inspection
• Static MAC
• D-Link Safeguard Engine
• DHCP Server Screening
• ARP Spoofing Prevention
• Max. 64 entries
• SSH
• Supports v2
• Supports IPv4/IPv6
• SSL
• Supports v1/v2/v3
• Supports IPv4/IPv6
• Traffic Segmentation
• IP-MAC-Port Binding
• DHCP snooping
• IP Source Guard
• Dynamic ARP inspection
• DHCPv6 Guard
• RA Guard
• IPv6 Snooping
• IPv6 Source Guard
• DoS Attack Prevention
AAA
• Compound Authentication
• 802.1X Port and MAC-based Authentication
• Supports RADIUS and Local Server
• Supports EAP, OTP, TLS, TTLS, PEAP
• 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 (JWAC)
• Port-based Access Control
• Host-based Access Control
• Dynamic VLAN Assignment
OAM
• Cable Diagnostics
• Factory Reset
Management
• CLI
• Telnet Server
• TFTP Client
• IPv6 Neighbor Discovery
• Configurable MDI/MDIX
• SNMP
• Supports v1, v2c, v3
• SNMP Trap
• System Log
• Max. 10,000 log entries
• DHCP Client
• D-Link Network Assistant support
• SNTP
• ICMPv6
• IPv4/v6 Dual Stack
• DHCP Auto Configuration
• RMON v1
D-Link Green 3.0 Technology
• Power Saving by:
• Link Status
• LED or Port Shutoff
• System Hibernation mode
• Time-based PoE (PoE model only)
Optional SFP Transceivers
DEM-310GT: 1000BASE-LX, single-mode, 10 km
DEM-311GT: 1000BASE-SX, multi-mode, 550 m
DEM-312GT2: 1000BASE-SX, multi-mode, 2 km
DEM-314GT: 1000BASE-LHX, single-mode, 50 km
DEM-315GT: 1000BASE-ZX, single-mode, 80 km
DGS-712: 1000BASE-T to SFP transceiver
Optional WDM SFP Transceivers
DEM-331T: 1000BASE-LX, Wavelength Tx: 1550 nm, Rx: 1310 nm, single-mode, 40 km
DEM-331R: 1000BASE-LX, Wavelength Tx: 1310 nm, Rx: 1550 nm, single-mode, 40 km
DEM-330T: 1000BASE-LX, Wavelength Tx: 1550nm, Rx 1310nm, single-mode, 10km
DEM-330R: 1000BASE-LX, Wavelength Tx: 1310nm, Rx: 1550nm, single-mode, 10km
Optional SFP+ Transceivers
DEM-431XT: 10GBASE-SR SFP+ Transceiver (without DDM), 80m: OM1 & OM2 MMF, 300m: OM3 MMF
DEM-431XT-DD: 10GBASE-SR SFP+ Transceiver (with DDM), 80m: OM1 & OM2 MMF, 300m: OM3 MMF
DEM-432XT: 10GBASE-LR SFP+ Transceiver (without DDM), 10km
DEM-432XT-DD: 10GBASE-LR SFP+ Transceiver (with DDM), 10km
DEM-433XT: 10GBASE-ER SFP+ Transceiver (without DDM), 40km
DEM-433XT-DD: 10GBASE-ER SFP+ Transceiver (with DDM), 40km
DEM-434XT: 10GBASE-ER SFP+ Transceiver (without DDM), 80km
DEM-435XT: 10GBASE-LRM SFP+ Transceiver (without DDM), 220m
DEM-435XT-DD: 10GBASE-LRM SFP+ Transceiver (with DDM), 220m
DEM-436XT-BXD: 10GBASE-LR SFP+ Transceiver. Wavelength: Tx: 1330nm Rx: 1270nm (without DDM), 20km
DEM-436XT-BXU: 10GBASE-LR SFP+ Transceiver. Wavelength: Rx: 1330nm Tx: 1270nm (without DDM), 20km
Optional SFP+ Direct Attach Stacking Cables
DEM-CB100S: 10-GbE SFP+ 1 m Direct Attach Cable
DEM-CB300S: 10-GbE SFP+ 3 m Direct Attach Cable
DEM-CB700S: 10-GbE SFP+ 7m Direct Attach Cable


AC Input
100 to 240 VAC 50/60 Hz internal universal power supply
Maximum Power Consumption
38.4 W
Standby Power Consumption
27.6 W
Smart Fan Quantity
2
Acoustics
44.2 dB(A)
Heat Dissipation
130.944 BTU/hr
Operation Temperature
-5 to 50°C (23 to 122°F)
Storage Temperature
-20 to 70°C (-4 to 158°F)
Operation Humidity
0% to 95% non-condensing
Storage Humidity
0% to 95% non-condensing
Dimensions
440 x 250 x 44 mm
(17.36 x 9.84 x 1.73 inches)
19” standard rack mounting width, 1U height
Weight
2.40 kg
Diagnostic LEDs
Power/Stacking ID/Fan (per device), Link/Activity/Speed (per 10/100/1000 Mbps port), Link/Activity/Speed (per Gigabit SFP port), Link/Activity/Speed (per 10G SFP+ port)
Certifications
CE, FCC, C-Tick, VCCI, BSMI, CCC
Safety
cUL, CB
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