| Hardware Specification | 
| Hardware Version | 
Version 3 | 
| 10/100/1000Mbps Copper Ports | 
24-Port Auto-MDI / MDI-X | 
| SFP / mini-GBIC Slots | 
4, shared with Port-21~Port-24, 100Base-FX / 1000Base-SX/LX Dual mode | 
| Switch Architecture | 
Store-and-Forward | 
| Switch Throughput@64Bytes | 
35.7Mpps | 
| Switch Fabric | 
48Gbps / non-blocking | 
| Share Data Buffer | 
500KB | 
| Address Table | 
8K entries | 
| Flow Control | 
Back pressure for Half-Duplex , IEEE 802.3x Pause Frame for Full-Duplex | 
| Power Consumption | 
Max. 26 Watts / 88 BTU | 
| Dimension ( W x D x H) | 
440 x 120 x 44 mm, 1U height | 
| Weight | 
1.67kg | 
| Power Requirement | 
AC 100~240V, 50/60Hz , 1A | 
| Temperature | 
Operating: 0~50 Degree C / Storage: -40~70 Degree C | 
| Humidity | 
Operating: 5~90% , non-condensing / Storage: 5~90% , non-condensing | 
| Layer 2 Function | 
| Management Interface | 
Web Browser, SNMPv1, v2c | 
| Firmware Upgrade | 
Web interface | 
| Configuration backup and restore | 
Yes, through web interface | 
| Port Configuration | 
- Port disable/enable - Auto-Negotiation - 10/100/1000Mbps full and half duplex mode selection - Flow Control disable / enable - Inband and outband bandwidth control - Port description - Frame Length setting | 
| Port Statistics | 
Displays per port Ethernet traffic receive counter information | 
| SFP module built-in information display | 
Yes | 
| Port Mirroring | 
Monitor the incoming or outgoing traffic on a particular port | 
| Link Aggregation | 
Supports 8 groups of 12-Port trunk, IEEE 802.3ad LACP | 
| VLAN | 
Port-Based VLAN / IEEE 802.1Q Tagged Based VLAN , up to 256 VLAN groups | 
| Rapid Spanning Tree | 
Yes | 
| IGMP Snooping | 
IGMP Querier , IGMP (v1/v2) Snooping, up to 256 multicast Groups | 
| QoS | 
4 priority queues on all switch ports, 8 mapping ID to 4 priority queues, Traffic class assignment based on IEEE 802.1p tag, or DSCP field | 
| IEEE 802.1x Authentication | 
Yes | 
| Filter Configuration | 
Source IP filter per port to block unauthorized access | 
| MAC Address Filter | 
Static MAC Address assigns destination MAC address at specified port | 
| Diagnostics | 
Cable Diagnostics technology and ICMP Ping function | 
| Link Layer Discovery Protocol (LLDP) | 
Discover basic information of neighboring devices on the local broadcast domain | 
| Green Networking | 
Energy save for per port link up / link down operation mode | 
| Standards Conformance | 
| Regulation Compliance | 
FCC Part 15 Class A, CE | 
| Standards Compliance | 
IEEE 802.3: 10Base-T IEEE 802.3u: 100Base-TX / 100Base-FX IEEE 802.3z: 1000Base- SX/LX IEEE 802.3ab: 1000Base-T IEEE 802.3x: Flow Control and Back pressure IEEE 802.3ad: Port trunk with LACP IEEE 802.1Q: VLAN Tagging IEEE 802.1w: Rapid spanning tree protocol IEEE 802.1p: Class of service IEEE 802.1x: Port Authentication Network Control  IEEE 802.1ab: LLDP |