
28 Ports Power Over Ethernet Gigabit Switch Managed IEEE 802.3af 15.4W per PoE port
Technical Indexes
Product | 28-port Managed PoE Switch: 22-Port 10/100/1000Base-T + 2xTP/SFP Combo ports+ 2x1000Bae-SFP slots |
Performance (Switching capacity and forwarding rate) | |
Capacity in Millions of Packets per Second (mpps) (64-byte packets) | 38.69 |
Switching Capacity in Gigabits per Second (Gbps) | 52 |
Interface | |
Ports | 22-Port 10/100/1000Base-T + 2xTP/SFP Combo ports+ 2x1000Bae-SFP slots |
Layer 2 Switching | |
Spanning Tree Protocol (STP) | Standard Spanning Tree 802.1d Rapid Spanning Tree (RSTP) 802.1w |
G.8032 ERPS | <50ms ring protection for industrial high reliable application |
Aggregation | Link Aggregation Control Protocol (LACP) IEEE 802.3ad; Up to 13 groups Up to 16 ports per group |
VLAN | Support up to 4K VLANs simultaneously (out of 4096 VLAN IDs) Port-based VLAN 802.1Q tag-based VLAN |
IGMP v1/v2 snooping | IGMP limits bandwidth-intensive multicast traffic to only the requesters; supports 1024 multicast groups (source-specific multicasting is not supported) |
Security | |
Secure Shell (SSH) Protocol | SSH secures Telnet traffic in or out the switch, SSH v1 and v2 are supported |
Secure Sockets Layer (SSL), HTTPS | SSL encrypts the http traffic, allowing advance secure access to the browser-based management GUI in the switch |
Port Security | Locks MAC Addresses to ports, and limits the number of learned MAC addresses |
DHCP Snooping | prevent unauthorized configuration and use of IP addresses, while providing support for IP Source Guard and ARP detection |
IP Source Guard | Prevents datagram with spoofed addresses from being in the network |
ARP Inspection | Prevent ARP spoofing attacks and ARP |
Storm control | Prevents traffic on a LAN from being disrupted by a broadcast, multicast, or unicast storm on a port |
ACLs | Support for up to 256 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, IGMP packets, TCP flag |
Quality of Service | |
Hardware Priority Queue | Support 8 hardware queues |
Scheduling | 8 COS queues per port support strict priority and weighted round-robin (WRR) |
Classification | Port based; 802.1p(PCP) VLAN priority based; |
Rate Limiting | Ingress policer;egress shaping and rate control;per VLAN,per port and flow based |
Management (Web/ SSL, Telnet/ SSH, ping, Trivial File Transfer Protocol (TFTP), SNMP, Syslog) | |
Web GUI interface | Built-in switch configuration utility for browser-based device configuration (HTTP/ HTTPs). Supports configuration, system dashboard, maintenance, and monitoring |
Dual Image | Dual image provides independent primary and secondary OS files for backup while upgrading |
Firmware upgrade | Web browser upgrade (HTTP/ HTTPs) and TFTP; |
E-link China Technology Co., Ltd.
Established in 2001& headquartered in Shenzhen, E-link China Technology Co., Ltd. (E-link) is a leading Fiber Optic Communication and CCTV Security Transmission product manufacturer in China. Our main products include active equipments including fiber media converters, CCTV fiber converters, CCTV over Ethernet Converters (HD-SDI over Ethernet, HDMI over Ethernet, Power over Ethernet), etc. With rich experience in providing high quality products in telecom and CCTV business, E-link has a large manufacturing base in Shenzhen, able to deliver cost-effective solutions to serve our customers successfully.
E-Link Quality:
• ISO9001 Quality System
• Full-Spectrum environment and electrical testing of all product design
• 48 hours aging test before delivery
• Qualified CE, RoHS, FCC
Since the launch of our products on the domestic market and international market, we have won a good reputation for our high quality products and sincere services. Our products are widely applied to network systems of Telecom, Radio and Television, Public Security, Bank ,ect. To be in line with different needs of different customers, we have people to trace the latest market information so as to keep our products competitive and vital.
Our knowledgeable sales, technical support and engineering staff are dedicated to understanding your requirements and designing products & solutions to meet your needs. We shall be pleased to provide you fiber optical network products with our best price, superior quality and fast delivery.