Суич D-Link DGS-1250-52XMP, 1000Mbps, 52 порта, 48x 10/100/1000BASE-T PoE, 4x 10G SFP+ ports

D-Link DGS-1250-52XMP

Hardware Version
• A1

Interfaces
• 48 x 10/100/1000BASE-T PoE
• 4 x 10G SFP+ ports

Console Port
• RJ-45 port for CLI management

Port Standards
• IEEE 802.3 10BASE-T Ethernet (twisted-pair copper)
• IEEE 802.3u 100BASE-TX Fast Ethernet (twisted-pair copper)
• IEEE 802.3u 100BASE-FX 100 Mbps over fiber optic
• IEEE 802.3ab 1000BASE-T Gigabit Ethernet (twisted-pair copper)
• IEEE 802.3z 1000BASE-X 1 Gbps over fiber optic
• IEEE 802.3az Energy-Efficient Ethernet (EEE)
• IEEE 802.3x Flow Control
• IEEE 802.3ae 10 Gigabit Ethernet
• IEEE 802.3af/at (PoE models only)

Network Cables
• UTP Cat. 5, Cat. 5e (100 m max.)

Duplex Mode
• Full/Half-duplex for 10/100 Mbps
• Full-duplex for 1000 Mbps

Media Interface Exchange
• Auto MDI/MDIX adjustment for all twisted-pair ports

Switching Capacity
176 Gbps

Transmission Method
• Store-and-forward

MAC Address Table
32K

Static MAC Addresses
• 256 entries

Maximum 64 Byte Packet Forwarding Rate
130.95 Mpps

Packet Buffer Memory
• 16 Mbits

CPU Memory
• 2G DDR3

Flash Memory
• 64 MB

PoE Standard
• IEEE 802.3af/at

LEDs
Power (per device): Yes
Link/Active/Speed (per RJ-45 port): Yes
Link/Active/Speed (per 10G SFP+ port): Yes

Power Input
• 100 to 240 V AC 50/60 Hz internal universal power supply

Maximum Power Consumption
• PoE On:
• 443.6 W
• PoE Off:
• 57.2 W

Standby Power Consumption
• 28.4 W

Acoustics
• Max: 51.2 dB(A)
• Min: 43.0 dB(A)

Heat Dissipation
• PoE On:
• 1512.676 BTU/hr
• PoE Off:
• 195.052 BTU/hr

MTBF
• 309,053.10 hours

Operating Temperature
• -5 to 50°C (23 to 122°F)

Storage Temperature
• -20 to 70°C (-4 to 158°C)

Operating Humidity
• 0% to 95% relative humidity

Storage Humidity
• 0% to 95% relative humidity

Dimensions (L x W x H)
• 440 x 430 x 44 mm

Weight
3.85 kg

Safety
• CB, UL, BSMI, CCC

EMI
• CE Class A, VCCI Class A, FCC Class A, IC, BSMI

L2 Features
• MAC Address Table
• 16K entries
• 32K entries (DGS-1250-52X/52XMP only)
• IGMP Snooping
• IGMP v1/v2/v3 Snooping
• Supports 256 IGMP groups
• Supports at least 64 static multicast addresses
• IGMP per VLAN
• Supports IGMP Snooping Querier
• Loopback Detection
• 802.3ad Link Aggregation:
• Supports maximum 8 groups per per device and 8 ports per
group
• LLDP
• LLDP-MED
• Jumbo Frame
• Up to 12,000 bytes
• Spanning Tree Protocol
• 802.1D STP
• 802.1W RSTP
• 802.1s MSTP
• Flow Control
• 802.3x Flow Control
• HOL Blocking Prevention
• Port Mirroring
• One-to-One
• Many-to-One
• Supports Mirroring for Tx/Rx/Both
• Multicast Filtering
• Forwards all registered groups
• Filters all unregistered groups
• Configurable MDI/MDIX
• MLD snooping v1/v2 awareness (256 groups)

VLAN
• 802.1Q
• VLAN Group
• Max. 4094 static VLAN groups
• Configurable VID from 1 - 4094
• Asymmetric VLAN
• Auto Voice VLAN
• Max. 10 user-defined OUI
• Max. 8 default OUI
• Auto Surveillance VLAN

Quality of Service (QoS)
• 802.1p Quality of Service
• 8 queues per port
• Queue Handling
• Strict
• Weighted Round Robin (WRR)
• Bandwidth Control
• Port-based (ingress/egress, min granularity 10/100/1000 is 16
Kbps)
• QoS based on:
• 802.1p priority queues
• DSCP
• MAC address
• EtherType
• IP address
• Protocol type
• ToS
• IP preference
• IPv6 Traffic Class
• TCP/UDP port

L3 Features
• IP interface
• Supports 4 interfaces
• IPv6 Neighbor Discovery (ND)
• Static routing
• 124 IPv4 static route entries
• 50 IPv6 static route entries

Access Control List (ACL)
• Max. 50 access lists
• Max. 768 rules shared by IPv4, MAC, and IPv6
• Each rule can only be associated with a single port
• ACL based on
• MAC address
• 802.1p priority mask
• VID mask
• Source/destination MAC address mask
• EtherType mask
• IP address
• Source/destination IP address mask
• DSCP mask
• Protocol type mask
• TCP/UDP port number mask
• IPv6 address
• Source/destination IP address mask
• DSCP mask
• Protocol type mask
• TCP/UDP port number mask
• IPv6 traffic class mask

Security Features
• Broadcast/Multicast/Unicast Storm Control
• D-Link Safeguard Engine
• Traffic segmentation
• SSH v2
• TLS v.1.2
• DoS attack prevention
• 802.1X Port-based Access Control
• Port Security
• Supports up to 64 MAC addresses per port
• ARP Spoofing Prevention
• Max. 127 entries
• DHCP Server Screening
• IP-MAC-Port Binding (Smart Binding)
• ARP Inspection
• Max. 64 entries
• IPv4 Inspection
• Max. 127 entries
• IPv6 Inspection
• Max. 63 entries
• DHCP Snooping
• Max. 512 entries

AAA
• 802.1X Authentication
• Supports local/RADIUS database
• Supports port-based access control
• Supports EAP, OTP, TLS, TTLS, PEAP
• Max. 128 entries when using local database
• IPv6 RADIUS server
• Support MD5 authentication

OAM
• Cable diagnostics
• Factory reset

Management
• Web-based GUI
• D-Link Network Assistant
• Compact CLI
• Full CLI1
• Telnet Server
• TFTP Client
• Configurable MDI/MDIX
• SNMP
• Supports v1/v2c/v3
• SNMP Trap
• Backup/upgrade firmware
• Smart Wizard
• Upload/download configuration file
• BootP/DHCP Client
• System Log
• Max. 500 log entries
• SNTP
• ICMP v6
• IPv4/v6 Dual Stack
• DHCP Auto Configuration
• Time setting
• SNTP
• RMONv1
• Trusted host
• Dual image
• Dual configuration

Green V3.0 Technology
• Power Saving by:
• Link Status
• Time-based PoE: PoE ports can be turned on/off by port or
system through schedule
• System hibernation
• Port shut off
• Cable length detection

MIBs
• RFC1212 Concise MIB Definitions
• RFC1213 MIBII
• RFC1215 MIB Traps Convention
• RFC1493 Bridge MIB
• RFC1157, RFC2573, RFC2575, RFC2576 SNMP MIB
• RFC1442, RFC1901, RFC1902, RFC1903, RFC1904, RFC1905,
RFC1906, RFC1907, RFC1908, RFC2578, RFC3418 SNMPv2 MIB
• RFC271, RFC1757, RFC2819 RMON MIB
• RFC2021 RMONv2 MIB
• RFC1398, RFC1643, RFC1650, RFC2358, RFC2665 Ether-like MIB
• RFC2674 802.1p MIB
• Interface Group MIB
• RFC2618 RADIUS Authentication Client MIB
• RFC4022 MIB for TCP
• RFC4113 MIB for UDP
• RFC2389 MIB for Diffserv.
• RFC2620 RADIUS Accounting Client MIB
• Private MIB
• PoE MIB
• DDP MIB
• LLDP-MED MIB

RFC Standards
• RFC791 IP
• RFC768 UDP
• RFC793 TCP
• RFC792 ICMPv4
• RFC2463, RFC4443 ICMPv6
• RFC826 ARP
• RFC1321, RFC2284, RFC2865, RFC2716, RFC3580 Extensible
Authentication Protocol (EAP)
• RFC2573 SNMP Applications
• RFC2461, RFC4861 Neighbor Discovery for IPv6
• RFC2462, RFC4862 IPv6 Stateless Address Auto-configuration
(SLAAC)
• RFC2464 IPv6 over Ethernet and definition
• RFC4291 IPv6 Addressing Architecture
• RFC2893, RFC4213 IPv4/IPv6 dual stack function



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