Support Standards

• IEEE 802.3u for l00BaseT (X) and l00Base FX
• IEEE 802.3z for l000Base SX/LX/LHX/ZX
• 3x for Flow Control
• 1D for Spanning Tree Protocol
• 1W for Rapid STP
• 1Q for VLAN Tagging
• lp for Quality of Service
• 1X for Security
• 3ad for Port Trunk with LACP

Service Interfaces

• Number of ports: Maximum 28 ports
• Configuration Interface: 1 RS232 RJ45 management interface
• Optical port: 1000Base-X SFP optical port, 10GBase-X SFP+ optical port
• Electrical port: 10/100/1000Base-TX RJ45 electrical port

Power Characteristics

• Operating voltage: DC12V
• Power consumption: <40W@full load
• Power backup: redundant power supply, dual power supply optional

Transmission distance

• Ethernet twisted pair: 100m (standard CATS/ CAT5e cable)
• Fiber: Gigabit multi-mode 550m@850nm, Gigabit single-mode 20km@1310nm
• 10Gb multimode 500m@850nm, 10Gb singlemode 20km@1310nm

Environmental conditions

• Temperature: Operating Temperature: -40°C ~ +85°C Storage Temperature: -40°C ~ +85°C, need to combine with the user’s own chassis for reasonable design.
• Relative Humidity: 5% ~95% (no frost)

Mechanical Structure

• Dimensions: 280mm X 190mm X 30mm (height is the maximum height at the RJ45 connector)

Specification Characteristics

• Independent and Reliable: Adopting Longxin CPU, Centec network switching chip and OS network operating system with independent intellectual property rights, with 100% localization rate of components.
• Storm Suppression: Supports broadcast, multicast and unknown unicast storm suppression.
• Multicast function: support IGMP Snooping (Vl, V2, V3); support multicast filtering and unknown multicast discard; support static multicast group, support 256 multicast groups; support GMRP.
• Ring protocol: private Ring, STP, RSTP
• Port mirroring: supports multi-port mirroring; supports separate mirroring of port inputs and outputs.
• MAC address: 32K MAC addresses
• VLAN: 4096 VLANs, support GVRP settings
• QoS: Supports up to 2K queues in the inlet and outlet directions, supports both flow and port-based traffic rate limiting, and supervisory policy supports queue scheduling (WDRR, SP+WRR) and congestion management.
• Layer 3 routing (only Layer 3 switch support): support for OSPFv2; support for static routing; support for policy routing; support for RIP v1/v2; support for IGMP; support for PIM-SIM, PIM-DM
• ACL: supports complex flow classification based on Layer 2 to Layer 4; supports a maximum of 4K flow rules
• Flow control: multicast flow control function, realize SV, GOOSE data flow fine control; power priority transmission; queue priority based on the message type of flow rate limiting
• Security features: support 802.1X authentication based on port and MAC address; support DOS supply protection and CPU traffic protection; user hierarchical management; support Radius; support SSH

Electromagnetic compatibility

• IEC61000-4-2 Electrostatic discharge immunity level 4
• IEC61000-4-3 Immunity to radiated electromagnetic fields Class 3
• IEC61000-4-4 Electrical fast transient pulse group immunity class 4
• IEC61000-4-5 Surge (shock) immunity class 4
• IEC61000-4-6 Conducted nuisance immunity level for RF field induction Class 3
• IEC61000-4-8 Magnetic field immunity class 5
• IEC61000-4-9 Impulsive magnetic field immunity Class 5
• IEC61000-4-10 Damped oscillating wave immunity Class 4

Remarks: The listed technical indexes are not board indexes, and need to be realized by cooperating with the whole machine shell and primary power supply.

Management Characteristics

• System management: support command line and WEB page configuration; support bilingual command line help information; support Telnet remote configuration; support configuration through Console port; support multiple SSH logins; support SNMP V1/V2c/V3; support LLDP link-layer discovery protocol; support system logs.
• Configuration loading: CSD file offline configuration management, support for CSD file import, export; configuration mode selection, clear configuration and configuration saving and other operations; support for configuration file import and export
• Time Management: Built-in real-time clock; supports time zone management; supports time modification; supports SNTP protocol servers and clients to synchronize system time.