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48G + 4 10G SFP Uplink L2+ Managed Switch with NMS

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DMS-48G-4XF L2+ Managed Switch is a next-generation Ethernet Switch offering full suite of L2 features, including advanced L3 features such as Static Route that delivers better cost performance and lower total cost of ownership in Enterprise networks via fiber or copper connections.

DMS-48G-4XF delivers 48 (10M/100M/1G) RJ45 ports, 4 10G RJ45/SFP ports and RJ45 Console port. DMS-48G-4XF provides high HW performance and environment flexibility for SMBs/ Enterprises.

DMS-48G-4XF is ideal to deliver management simplicity, optimum user experience, and lower total cost of ownership. The embedded Device Managed System is designed to be extremely easy-to-use/manage/install IP Phone, IP Cam, or Wifi-AP for Enterprise Applications.

Key Features

  • L2+ Managed features provide easier manageability, robust security and QoS.
  • Built in Device Management System (DMS)
  • DHCP Server
  • IPv4/IPv6 Management
  • IEEE 802.3az EEE Energy Efficient Ethernet standard for green Ethernet

Feature-rich Ethernet Switch for Enterprise-class

The switch delivers advanced functionality in L2+ managed switch including Layer 3 static route, DHCP server, IPv6 support, LLDP, etc. It also has comprehensive security features such as IP source guard and ACL to guard your network from unauthorized access. It helps users to build on the market-leading price/performance with L2+ Managed GbE PoE switch, and provide secure, reliable and ease of use for enterprise/SMB deployments.

Easy to Install, Configure and Troubleshoot by Device Management System

The DMS provides embedded functions to facilitate devices management at anytime and anywhere. Its user-friendly interface helps users to manage devices intuitively. It supports various IP device types (e.g. IP-phone, IP-camera, WiFi-AP) for end users to enhance manageability and save time/cost during installation/maintenance stages.

Lower Total Cost of Ownership

(TCO) with Energy-efficient Design It is designed to help customers to reduce power consumption and lower the TCO by Energy Efficient Ethernet (IEEE 802.3az) features. It can be used for customers to build a green Ethernet networking environment.


Ring Management ITU-T G.8031 Supports ITU-T G.8031 Ethernet Linear Protection Switching ITU-T G.8032 Supports ITU-T G.8032 Ethernet Ring Protection Switching Layer 2 Switching Spanning Tree Protocol (STP) Standard Spanning Tree 802.1d: Spanning Tree Protocol is an OSI layer-2 protocol which ensures a loop free topology for any bridged LAN
Rapid Spanning Tree (RSTP) 802.1w: Rapid Spanning Tree Protocol, which provides for faster spanning tree convergence after a topology change
Multiple Spanning Tree (MSTP) 802.1s: Multiple Spanning Tree Protocol. The MSTP protocol provides for multiple spanning tree instances VLAN 802.1Q tag-based VLAN: Supports up to 4K VLANs simultaneously (out of 4096 VLAN IDs)
Port-based VLAN: A port member of a VLAN can be isolated to other isolated ports on the same VLAN and Private VLAN
Private VLAN Edge (PVE): Private VLANs are based on the source port mask, and there are no connections to VLANs. This means that VLAN IDs and Private VLAN IDs can be identical
Voice VLAN: The Voice VLAN feature enables voice traffic forwarding on the Voice VLAN
Guest VLAN: The IEEE 802.1X Guest VLAN feature allows a guest VLAN to be configured for each 802.1X port on the device to provide limited services to non-802.1X-compliant clients
Q-in-Q (double tag) VLAN: Business customers of service providers often have specific requirements for VLAN IDs and the number of VLANs to be supported
802.1v Protocol VLAN: Classifying multiple protocols into a single VLAN often imposes VLAN boundaries that are inappropriate for some of the protocols, requiring the presence of a non-standard entity to relay between VLANs the frames bearing the protocols for which the VLAN boundaries are inappropriate
MAC-based VLAN: The MAC-based VLAN feature allows incoming untagged packets to be assigned to a VLAN and thus classify traffic based on the source MAC address of the packet
IP Subnet-Based VLAN: In an IP subnet–based VLAN, all the end workstations in an IP subnet are assigned to the same VLAN. In this VLAN, users can move their workstations without reconfiguring their network addresses
Management VLAN: Management VLAN is used for managing the switch from a remote location by using protocols such as telnet, SSH, SNMP, syslog etc LACP Trunking Link Aggregation Control Protocol (LACP) IEEE 802.3ad: Controls whether LACP is enabled on this switch port. LACP will form an aggregation when 2 or more ports are connected to the same partner
Up to 26 groups
Up to 16 ports per group GARP VLAN Registration Protocol (GVRP) GVRP stands for GARP (Generic Attribute Registration Protocol) VLAN Registration Protocol. It’s a Layer 2 network protocol, for automatic configuration of switches in a VLAN network DHCP Relay Relay of DHCP traffic to DHCP server in different VLAN
Works with DHCP Option 82 IGMP v1/v2/v3 Snooping IGMP limits bandwidth-intensive multicast traffic to only the requesters. Supports 1024 multicast groups IGMP Querier IGMP querier is used to support a Layer 2 multicast domain of snooping switches in the absence of a multicast router IGMP Proxy IGMP snooping with proxy reporting or report suppression actively filters IGMP packets in order to reduce load on the multicast router MLD v1/v2 Snooping Delivers IPv6 multicast packets only to the required receivers Multicast VLAN Registration (MVR) It uses a dedicated manually configured VLAN, called the multicast VLAN, to forward multicast traffic over Layer 2 network in conjunction with IGMP snooping Layer 3 Switching IPv4 Static Routing IPv4 Unicast: Static Routing IPv6 Static Routing IPv6 Unicast: Static Routing Quality of Service Hardware Queue Supports 8 hardware queues Classification Port based: Traffic QoS by Port
802.1p: VLAN priority based Layer 2 CoS QoS, Class of service is a parameter used in data and voice protocols to differentiate the types of payloads contained in the packet being transmitted
DSCP based Differentiated Services (DiffServ) Layer 3 DSCP QoS: IP packets can carry either an IP precedence (IPP) value or a Differentiated Services Code Point (DSCP) value. QoS supports the use of either value because DSCP values are backward-compatible with IP precedence values
Classification and re-marking TCP/IP ACLs: QoS by ACL Rate Limiting Ingress policer
Egress shaping and rate control
Per port Scheduling Strict priority and weighted round-robin (WRR): Weighted Round Robin is a scheduling algorithm that uses weights assigned to queues to determine how much data will be emptied from a queue before moving to the next queue Security ACLs Supports up to 512 entries. Drop or rate limitation based on:
Source and destination MAC, VLAN ID or IP address, protocol, port
Differentiated services code point (DSCP) / IP precedence
TCP/ UDP source and destination ports
802.1p priority
Ethernet type
Internet Control Message Protocol (ICMP) packets
TCP flag Port Security Locks MAC addresses to ports, and limits the number of learned MAC address IP Source Guard Prevents illegal IP address from accessing to specific port in the switch Storm Control Prevents traffic on a LAN from being disrupted by a broadcast, multicast, or unicast storm on a port IEEE 802.1X IEEE802.1X: RADIUS authentication, authorization and accounting, MD5 hash, guest VLAN, single/multiple host mode and single/multiple sessions
Supports IGMP-RADIUS based 802.1X
Dynamic VLAN assignment TACACS+ Supports TACACS+ authentication. Switch as a client Secure Shell (SSH) SSH secures Telnet traffic in or out of the switch, SSH v1 and v2 are supported Secure Sockets Layer (SSL) SSL encrypts the http traffic, allowing advanced secure access to the browser-based management GUI in the switch HTTPs and SSL (Secured Web) Hyper Text Transfer Protocol Secure (HTTPS) is the secure version of HTTP BPDU Guard The BPDU guard, an enhancement to STP, removes a node that reflects BPDUs back in the network. It enforces the STP domain borders and keeps the active topology predictable by not allowing any network devices behind a BPDU guard-enabled port to participate in STP DHCP Snooping A feature acts as a firewall between untrusted hosts and trusted DHCP servers Loop Protection To prevent unknown unicast, broadcast and multicast loops in Layer 2 switching configurations. Management IEEE 1588v2 PTP Support IEEE 1588 v2 PTP (Precision Time Protocol) DHCP DHCP Server: Support DHCP server to assign IP to DHCP clients
DHCP client: The Dynamic Host Configuration Protocol (DHCP) is a standardized network protocol used on Internet Protocol (IP) networks for dynamically distributing network configuration parameters, such as IP addresses for interfaces and services Event/Error Log Support SNMP Trap/Syslog/SMTP SNMP SNMP version1, 2c and 3 with support for traps, and SNMP version 3 user-based security model (USM) Remote Monitoring (RMON) Embedded RMON agent supports RMON groups 1,2,3,9 (history, statistics, alarms, and events) for enhanced traffic management, monitoring and analysis Firmware Upgrade Web browser upgrade (HTTP/ HTTPs) and TFTP
Upgrade through console port as well Configuration Export/Import update of the firmware controlling the switch Port Mirroring Traffic on a port can be mirrored to another port for analysis with a network analyzer or RMON probe. Up to N-1 (N is Switch’s Ports) ports can be mirrored to single destination port. A single session is supported IEEE 802.1ab (LLDP) Used by network devices for advertising their identities, capabilities, and neighbors on an IEEE 802ab local area network
Support LLDP-MED (ANSI/TIA-1057) extensions UPnP The Universal Plug and Play Forum, an industry group of companies working to enable device-to-device interoperability by promoting Universal Plug and Play CDP Aware The CDP operation is restricted to decoding incoming CDP frames (The switch doesn’t transmit CDP frames). CDP frames are only decoded if LLDP on the port is enabled s-Flow The industry standard for monitoring high speed switched networks. It gives complete visibility into the use of networks enabling performance optimization, accounting/billing for usage, and defense against security threats Web GUI Interface Built-in switch configuration utility for browser-based device configuration CLI For users to configure/manage switches in command line modes Dual Image Independent primary and secondary images for backup while upgrading NTP Network Time Protocol (NTP) is a networking protocol for clock synchronization between computer systems over packet-switched Switch Management HTTP/HTTPs
DHCP Client/ DHCPv6 Client
Telnet Client
IPv6 Management Diagnostics Cable diagnostics
Syslog Device Management System (DMS) Graphical
Monitoring Topology view: Support intuitive way to configure and manage switches and devices with visual relations
Floor view: It’s easy to drag and drop PoE devices and help you to build smart workforces
Map view: Enhance efficiency to drag and drop devices and monitor surroundings on google map
Display visual chart of network traffic of all devices and monitor every port at any time from switches Switch2go You’ll be noticed a change in whatever your switch happen Find my Switch Search your real switches quickly and manage directly Traffic Monitoring Display visual chart of network traffic of all devices and monitor every port at any time from switches Trouble Shooting Network diagnostic between master switch and devices
Support protection mechanism, such as rate-limiting to protect your devices from brute-force downloading


Model Name DMS-48G4XF Product Description 52 ports GbE/10GbE L2+ Managed Switch With NMS Product Family Diana Warranty Up to 5 Year (3+2*) Port Configuration 10M/100M/1G RJ45 Port 48 100M/1G/2.5G RJ45 Port — 100M/1G/10G RJ45 Port — 100M/1G/2.5G/5G/10G RJ45 Port — 100M/1G SFP Port — GbE RJ45/SFP Combo Port — 1G/2.5G SFP Port — 1G/10G SFP+ Port 4 Console Port RJ45 Total Ports 52 HW Performance Switching Bandwidth 176 Gbps Forwarding Performance 130.944 Mpps MAC Address 32K Jumbo Frames 10240 Bytes Environmental Specification Operating Temperature 0°C to 50°C Operating Humidity 5 to 95% RH Storage Temperature -20 to 70°C Storage Humidity 5 to 95% RH Mechanical Specification Dimensions (H) x (W) x (D) mm 44 x 442 x 375 Weight < 5.62 Kg FAN Less — Power Source AC Input 100V-240V DC Input — Dual Input — EN61000-4-5 (for RJ45 Port, Surge 6KV) — Certifications CE/FCC Class A
Others by Request L2 Switching Spanning Tree Y IEEE802.1D (STP) Y IEEE802.1W (RSTP) Y IEEE802.1S (MSTP) Y VLAN 802.1Q VLAN Y Port-Based Y VLAN Entries 4K Private VLAN Y Voice VLAN Y Guest VLAN Y Q-in-Q Y 802.1v Protocol VLAN Y MAC-Based VLAN Y IP Subnet-Based VLAN Y IEEE 802.3ad LACP Dynamic Trunk Y Static Trunk Y GARP/GVRP Y IGMP Snooping Y MLD Snooping Y Multicast VLAN Registration (MVR) Y L3 Features Static Route Y DHCP Server Y QoS Features Class of Service Y Port Based Y 802.1p Y DSCP Y TCP/UDP Port Y Rate Limiting Ingress Y Egress Y Priority Queue Scheduling   WRR Y Stri Priority Y Hardware Queues 8 Security ACLs Y L2/L3/L4 Y IPv6 Support Y Port Security (MAC-based) Y IP Source Guard Y Storm Control Y RADIUS Authentication 802.1x Y TACACS+ Authentication Y HTTPs and SSL (Secured Web) Y BPDU Guard Y STP Root Guard Y DHCP Snooping Y Loop Protection Y DHCP Server Client Y Relay Y Option 66 Y Option 67 Y Option 82 Y Event/Error Log Syslog Y SMTP (RFC821) Y Management Access Filtering SNMP Y Web UI Y Telnet Y SSH Y PoE Management Scheduling — Auto-Checking — Power Delay — Soft-Reboot PoE Non-stop — SNMP (v1, v2c, v3) Y RMON (1,2,3 & 9 Groups) Y Software Upgrade Y Configuration Export/Import Y Port Mirroring Y LLDP (IEEE802.1AB) Y LLDP-MED (IEEE802.1AB) Y CDP Aware Y sFlow Y IPv6 Management Y NTP Y Carrier Ethernet SyncE — 1588v2 PTP Y 1588v2 PTP (stratum3) — OAM (IEEE802.3ah) — CFM (IEEE802.1ag) — PM (ITU-T Y.1731) — ELPS (ITU-T G.8031) Y ERPS (ITU-T G.8032) Y Rapid-Ring — RFC2544 — Y.1564 — Device Management System Topology View Y Floor View Y Map View Y Dashboard Y Traffic Monitoring Y Cable Diagnostics Y

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