Photo of the product DVS-16M-4Q
Photo of the product DVS-16M-4Q
Photo of the product DVS-16M-4Q


Industrial 16x2.5G + 4x25G L2+/L3 Managed Switch

  • 16 2.5G BASE-T(X) ports and 4 25G SFP+ ports
  • Dual power input for redundancy
  • G.8032 ERPS Ring (recovery time < 50ms) for network redundancy
  • MSTP up to 16 instances and backward compatible STP and RSTP
  • DHCP server/client/relay, support for additional option 66/82 for network security
  • Dynamic IEEE 802.3ad LACP link aggregation and static link aggregation for optimum bandwidth utilization
  • Support for IEEE802.1Q VLAN and GVRP
  • IGMP snooping v1/v2/v3, IGMP query and MLD snooping v1/v2
  • QoS bandwidth control by 802.1p CoS(Class of service) and DiffServ, support addition traffic storm control
  • Remote management over Web browser, Telnet, SSH and CLI
  • Logging event and warning by exception through SNMP trap and relay output automatically
  • Access control lists (ACL) support L2 and L3 packet filtering increasing the flexibility and security of network management
  • Security features based on IEEE802.1X authentication with RADIUS and TACACS+
  • SNMPv1/v2c/v3 for different levels of network management
  • Built-in HDMI-over-IP TX/RX extender management controller*
  • Intelligent Auto AV QoS for AV network*
* means optional. Order by request.




  • IEEE 802.3 10Base-T Ethernet
  • IEEE 802.3u 100Base-TX Ethernet
  • IEEE 802.3ab 1000Base-T
  • IEEE 802.3z 1000BASE-X
  • IEEE 802.3x Flow Control and Back Pressure
  • IEEE 802.1d Spanning Tree
  • IEEE 802.1w Rapid Spanning Tree
  • IEEE 802.1s Multiple Spanning Tree
  • IEEE 802.3ad Link Aggregation Control Protocol (LACP)
  • IEEE 802.1AB Link Layer Discovery Protocol (LLDP)
  • IEEE 802.1Q VLAN
  • IEEE 802.1p Class of Service
  • IEEE 802.1x User Authentication


Mac Address: 16K MAC address table
Jumbo Frame: 10KB
Trunk Group: 8
Priority Queues: 8
VLAN Table: 4096 (VLAN ID Range)
VLAN ID Range: 1 to 4094
Static IGMP Groups: 128
Dynamic IGMP Groups: 1024


RJ45 Ports: 10 / 100 / 1000BASE-T (X): 16 ports auto negotiation speed (Auto MDI / MDI-X function)
Fiber Optic Ports: Mini-GBIC: 4 ports 1G / 2.5G / 10_gbps / 25G SFP+ auto-sensing socket with DDMI
LED Indicators:

  • System: PWR1 (Green), PWR2 (Green), Alarm (Red), Sys (Green)
  • Ethernet port: RJ-45 Link / Speed, SFP Link
Console: RS232 (RJ45 connector)
DI / DO:
  • 2 Digital Input (DI): Level 0: -30 ~ 2V / Level 1: 10 ~ 30V Max input current:8mA
  • 2 Digital Output (DO): Open collector to 40 VDC, 200mA
Relay Output: Current carry ability 1A@24VDC
Reset Button: Yes


Input Voltage:

  • Dual input for 44V ~ 56VDC (Standard model)
  • Dual input for 24VDC (-24V model)
  • Dual input for 12V ~ 57VDC (-EV model)
Connector: 6-Pin Terminal Block
Power Consumption: Max. 27W

Environmental Limits

Operating Humidity: 5% ~ 95% (Non-condensing)
Operating Temperature:

  • -20°C ~ 60°C / -4°F ~ 140°F (Standard model)
  • -40°C ~ 75°C / -40°F ~ 167°F (-I model)
Storage Temperature: -40°C ~ 85°C / -40°F ~ 185°F

Physical Characteristics

Housing: Metal case. IP-30,
Dimension: 95.84 (W) x 135 (D) x 152 (H) mm
Weight: 900 g
Installation: DIN Rail, Wall Mount*

Regulatory Approvals

MTBF: 586082.5 hours
EMI: FCC Class A

  • CE EN55032 Class A
  • CE EN55024
  • CE EN61000-4-2
  • CE EN61000-4-3
  • CE EN61000-4-4
  • CE EN61000-4-5
  • CE EN61000-4-6
  • CE EN61000-4-8
  • CE EN61000-6-2
  • IEC 60068-2-32 (Free fall)
  • IEC 60068-2-27 (Shock)
  • IEC 60068-2-6 (Vibration)


5 years


Link Aggregation

Static aggregation
Dynamic aggregation (IEEE 802.3ad LACP)
Maximum 8 groups (LAGs) and max 8 member ports per LAG

Jumbo Frame

Maximum 10K bytes

Broadcast / Multicast / Unicast Storm Suppression*

Storm suppression based on port bandwidth percentage
Storm suppression based on PPS*

MAC Address Table

Static MAC address
Blackhole MAC address
MAC learning limit*


IEEE 802.1Q Tag VLAN (up to 4094 VLANs)
Port-based VLAN (up to 4094 VLANs)*
MAC-based VLAN*
Protocol-based VLAN
IP subnet based VLAN
QinQ (double-tag VLAN)
VLAN Mapping (VLAN Translation)*
Voice VLAN*

Spanning Tree

Support STP / RSTP / MSTP
BPDU Guard and Root Guard

Loop Protect

Loopback detection and prevention


ITU G.8032 Ethernet ring protection switching (ERPS)


DHCP Client including option 66 / 67
DHCP Snooping including option 82
DHCP Relay including option 82
DHCP Server
MAC based can assign IP address by specific host
Port based can assign IP address by specific port


Local port mirroring
Ingress, Egress or both direction per port
Remote port mirroring: RSPAN*

Quality of Service

Port-based priority with 802.1p CoS priority override
802.1p CoS priority and IPv4 DSCP priority
8 Hardware queues per port
Flexible queue scheduling algorithms including SP, WRR, and SP + WRR*

Bandwidth Control (Rate Limit)

Bi-directional Rate limit in percentage (Ingress and Egress)
In the ingress direction, packet type (Broadcast / Multicast / Unicast packet) combination rules are allowed.
Traffic shaping in egress*


Layer 2 to Layer 4 packet filtering
Traffic classification based on source MAC, destination MAC, source IP, destination IP, TCP / UDP port, and VLAN*
Bi-directional ACLs (Ingress and Egress*)
VLAN-based ACL issuing*

Discovery Protocol

Link Layer Discovery Protocol (LLDP) and CDP (Cisco Discovery Protocol)


IGMP Snooping v1 / v2 / v3 and MLD Snooping v1 / v2


Hierarchical user management and password protection
Supports up to 10 IP addresses to access the switch
HTTPS for secure access to the web interface
SSH 2.0 for secure shell to command line interface
MAC-based authentication*
802.1X with VLAN assignment*
802.1X dynamic access control list (ACL) based on RADIUS attributes*
RADIUS and TACACS+ Authentication
Guest VLAN*
Support Port Isolation*
AAA authentication
Dynamic ARP Inspection*


SNMP v1 / v2c / v3 and Trap.
SNMP v1 / v2 providing light security by means of the community strings.
SNMP v3 providing User-based Security Model (USM) and Transport Security Model (TSM)*
Remote Monitoring (RMON) alarm, event, and history recording*
Remote Monitoring (RMON) (RFC2819) Groups 1,2,3,9
Private MIB

IP Stack (for managed interface)

Both IPv4 and IPv6 stack simultaneously


Neighbor Discovery (ND)*
IPv6-Ping, IPv6-Tracert, IPv6-Telnet, and IPv6-TFTP*

Configuration Import And Export

Readable text configuration file for system quick installation
Support HTTP / HTTPs / FTP / FTP-SSL*/SFTP / TFTP backup and restore config file


Upgrading via HTTP / HTTPs / FTP / FTP-SSL*/SFTP / TFTP


Support CLI via SSH 2.0, Telnet and Console
System log, alarming based on severity
WEB UI management through HTTP / HTTPs
System utilization and temperature alarming
Ping, Tracert*
Device Link Detection Protocol (DLDP)*

* means optional. Order by request.


Dimensions diagrams of this device.

Order Information

Model Name P/N Description
DVS-16M-4Q DVS-16M-4Q

Dual 44 ~ 56VDC input
-20°C ~ 60°C / -4°F ~ 140°F

DVS-16M-4Q DVS-16M-4Q-I

Dual 44 ~ 56VDC input
-40°C ~ 75°C / -40°F ~ 167°F

DVS-16M-4Q DVS-16M-4Q-24V

Dual 9 ~ 36VDC input
-20°C ~ 60°C / -4°F ~ 140°F

DVS-16M-4Q DVS-16M-4Q-24V-I

Dual 9 ~ 36VDC input
-40°C ~ 75°C / -40°F ~ 167°F