CMS-428XGF or CMS-428XGF-AD — CMS-428XGF, L2+ Switch
L2+ Managed Switch – 4 x 10/100/1000Mbps RJ45, 24 x 100M/1Gbps SFP and 4 x 1G/2.5G/10Gbps SFP+ Ports
| Brand | DSGIO |
|---|
Part number: CMS-428XGF or CMS-428XGF-AD
Available in Two Models: Single Internal AC Power Unit or Dual Power Input (One AC + One DC Power Unit)
Overview
INTRODUCTION
The DSGio CMS-428XGF managed switch is engineered for medium to large-scale network deployments, delivering a high-bandwidth, non-blocking switching fabric that enables low-latency, high-speed data transmission.
It features multi-rate SFP+ uplinks to support scalable network expansion and offers link aggregation to maximize throughput and redundancy. With IEEE-compliant standards, the switch ensures reliable and continuous operation of connected IP devices. Comprehensive Layer 2+ management capabilities—including VLAN, QoS, and advanced security features—enhance network segmentation, traffic prioritization, and access control. Housed in a 19-inch rack-mountable chassis, the switch integrates seamlessly into enterprise and data center environments.
SPECIFICATIONS
Interface | ||
10M/100M/1000Mbps RJ45 Port | 4 | |
100M/1Gbps SFP Slot | 24 | |
1G/2.5G/10Gbps SFP+ Slot | 4 | |
RJ45 Console Port for CLI Management | 1 | |
System Performance | ||
Packet Buffer | 32Mb | |
NAND Flash Memory | 2Gb | |
NOR Flash Memory | 256Mb | |
SDRAM Memory (DDR3) | 4Gb | |
MAC Address Table Size | 32K | |
Jumbo Frame | 10K | |
Switching Capacity | 136Gbps | |
Forwarding Rate (64-byte) | 101.184Mpps | |
L2 Features | ||
Auto-Negotiation | ● | |
Auto MDI/MDI-X | ● | |
Flow Control (Duplex) | 802.3x (Full) | ● |
Back-Pressure (Half) | ● | |
Spanning Tree | IEEE 802.1D (STP) | ● |
IEEE 802.1w (RSTP) | ● | |
IEEE 802.1s (MSTP) | ● | |
VLAN | VLAN Group | 4096 |
Tagged Based | ● | |
Port-Based | ● | |
Q-in-Q | ● | |
Voice VLAN | Voice VLAN with OUI | |
MAC-based / Protocol-based / IP Subnet-based VLAN | ● | |
Link Aggregation | IEEE 802.3ad with LACP | ● |
Static Trunk | ● | |
Max. Static Aggregation Group | 16 | |
Max. Port per Static Agg. Group | 8 | |
IGMP Snooping | IGMP Snooping v1/v2/v3 | Supports 1024 IGMP Groups |
IGMP Static Multicast Addresses | Supports 1024 Static Multicast Addresses | |
IPv6 MLD Snooping | Supports 1024 MLD Groups | |
MLD Static Multicast Addresses | Supports 1024 Static Multicast Addresses | |
Querier, Immediate Leave | ● | |
Storm Control (Broadcast / Multicast / Unknown Unicast) | ● | |
Loop Protection | ● | |
QoS Features | ||
Number of Priority Queue | 8 Queues/Port | |
Rate Limiting | Ingress | Yes, 1 KBps/1pps |
Egress | Yes, 1 KBps/1pps | |
DiffServ (RFC2474 Remarking) | ● | |
Scheduling (WRR, Strict, Hybrid) | ● | |
CoS | IEEE 802.1p | ● |
IP ToS Precedence, IP DSCP | ● | |
Security | ||
Management System User Name / Password Protection | ● | |
User Privilege | Set User Privilege up to 15 Level | |
Port Security (MAC-based) | ● | |
IEEE 802.1x Port-based Access Control | ● | |
ACL (L2/L3/L4) | ● | |
IP Source Guard | ● | |
RADIUS (Authentication, Authorisation, Accounting) | ● | |
TACACS+ | ● | |
HTTP & SSL (Secure Web) | ● | |
SSH v2.0 (Secured Telnet Session) | ● | |
MAC/IP Filter | ● | |
DHCP Snooping (DHCP Protection) | ● | |
Port Isolation | ● | |
BPDU Guard | ● | |
STP Root Guard / Edge Safe Guard / Restricted Role | ● | |
Dynamic ARP Protection | ● | |
Management | ||
Command Line Interface (CLI) | ● | |
Web Based Management | ● | |
Telnet | ● | |
Access Management Filtering | SNMP/Web/SSH/Telnet | |
Firmware Upgrade via HTTP | ● | |
Dual Firmware Images | ● | |
Configuration Download / Upload | ● | |
SNMP (v1/v2c/v3) | ● | |
RMON (1, 2, 3 & 9 Groups) | ● | |
DHCP (Server / Client / Relay / Option 82 / Snooping) | ● | |
System Event / Error Log | ● | |
TFTP (Trivial File Transfer Protocol) | ● | |
NTP / LLDP | ● | |
Cable Diagnostics | ● | |
IPv6 Configuration | ● | |
Port Mirroring | ● | |
Physical Characteristics | ||
Dimension (W x H x D) | 440 x 44 x 220 mm | |
LED Indicator | Power, Speed, Link/Act. | |
Cooling | Fan Cooling | |
Enclosure | Metal | |
Installation | Desktop / Rack Mount | |
Weight | 3.1Kg | |
System Power Requirements | ||
System Power Input | 12VDC | |
Max. System Power Consumption | 50W | |
Power Supply Information | ||
Internal Power Supply | Input: 100-240 V~, 50-60Hz, 2.0A Max. | |
Output: 12VDC/8.33A | ||
Redundant Power Supply | Input: 100-240 V~, 50-60Hz, 1.8A Max. | |
Output: 12VDC/6.25A | ||
Environment Limits | ||
Operating Temperature | 0 ~ 50°C | |
Storage Temperature | -20 ~ 80°C | |
Operating Humidity | 10 ~ 90% RH (Non-condensing) | |
Storage Humidity | 10 ~ 90% RH (Non-condensing) | |
Protection and Alarms | ||
ESD | DC Contact 4KV, Air 8KV | |
Surge | AC Line to Line 1KV, Line to Ground 2KV | |
Certifications | ||
Electromagnetic Emissions (EMC) | CE, FCC, UKCA | |
Safety | EN62368-1 | |
Standard | ||
IEEE 802.3 – 10Base-T | ● | |
IEEE 802.3u – 100Base-TX | ● | |
IEEE 802.3ab – 1000Base-T | ● | |
IEEE 802.3z – 1000Base-SX/LX | ● | |
IEEE 802.3ae – 10GBase (SFP+) | ● | |
IEEE 802.3az – Energy Efficient Ethernet (EEE) | ● | |
IEEE 802.3x – Flow Control | ● | |
IEEE 802.3ad – Link Aggregation Control Protocol (LACP) | ● | |
IEEE 802.1Q – VLAN Tagging | ● | |
IEEE 802.1v – Protocol-Based VLAN | ● | |
IEEE 802.1p – Class of Service (CoS) | ● | |
IEEE 802.1D – Spanning Tree Protocol (STP) | ● | |
IEEE 802.1w – Rapid Spanning Tree Protocol (RSTP) | ● | |
IEEE 802.1s – Multiple Spanning Tree Protocol (MSTP) | ● | |
IEEE 802.1AB – Link Layer Discovery Protocol (LLDP) | ● | |
IEEE 802.1X – Port-Based Network Access Control | ● | |
ITU-T G.8032/Y.1344 – Ethernet Ring Protection Switching (ERPS) | ● | |
Product Features
· Built-in 24x Gigabit SFP Ports for flexible, high-speed fiber connectivity
· IEEE 802.3az Energy Efficient Ethernet for optimized power consumption
· Non-blocking Switching Architecture ensures full wire-speed forwarding without data loss
· Integrated DHCP Server, Relay, and Snooping for efficient IP address management
· Layer 2+ Full Managed Features, including MSTP, LACP, LLDP, sFlow, 802.1X, RADIUS, TACACS+, and ACL
· Multicast Support, including IGMP Snooping (v1/v2/v3), IGMP Proxy, IGMP Querier, MVR, and MLD Snooping (v1/v2)
· Auto Discovery of IP Devices and Network Continuity Testing for simplified diagnostics
Power Supply Unit Bundle Configuration
Model No. | Power Input | Operating Temperature |
CMS-428XGF | 100-240VAC | 0 ~ 50°C |
CMS-428XGF-AD | 100-240VAC and 12-56VDC | 0 ~ 50°C |
Model Name Abbreviation with AD denotes Dual Power Input

Source: DSGIO — CMS-428XGF, L2+ Switch. Verify with manufacturer.
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