Interface
Port Description	4 Gigabit fiber ports + 48 Gigabit RJ45 Ports
Electrical Characteristics
Input Voltage	・AC/DC 110-240V ・Support overcurrent protection
Overall Power Consumption	Full load＜ 60W
Layer 2 Switching
Switching Capacity	4.8Tbps
Packet Forwarding Rate	1624Mpps
MAC Address Table	・Support 64K MAC address table ・Support auto-update and bidirectional learning
DHCP	・Support DHCP Client ・Support DHCP Server ・Support DHCP Snooping ・Support DHCP Relay
Port Aggregation	Support static aggregation, dynamic aggregation
Port Mirroring	Support many-to-one port mirroring with no limit on the number of mirrored source ports
Loop Protection	Support loop detection/loop avoidance
Ring Network Protocol	Support ERPS
Port Flow Control	Support half-duplex backpressure-based control
Port Rate Limiting	Support full-duplex based on PAUSE frames
Cable Wiring	Support Auto-MDIX function for automatic identification of straight-through and crossover cables
VLAN	・Support up to 4096 VLANs ・Support 802.1Q standard VLAN ・Support for QinQ ・Support for Voice VLAN, MAC VLAN, and IP VLAN
Storm Suppression	Support suppression of broadcast, multicast, and unicast traffic
Spanning Tree	・Support STP (Spanning Tree Protocol) ・Support RSTP (Rapid Spanning Tree Protocol) ・Support MSTP (Multiple Spanning Tree Protocol)
Protocol Standard	・IEEE 802.3ad, Link Aggregation Protocol ・IEEE 802.3, 10BASE-T Ethernet ・IEEE 802.3u, Fast Ethernet Standard ・IEEE 802.3ab, Gigabit Ethernet Standard ・IEEE 802.3z, Gigabit Ethernet Fiber Optic Standard ・IEEE 802.3ae, 10G Ethernet Standard ・IEEE 802.3x, Full-Duplex Ethernet Data Link Layer Flow Control ・IEEE 802.3az, EEE Energy Efficient Ethernet Standard
Negotiation mode	・Electrical port Support 10/100/1000M auto-negotiation ・Optical port Support 1G/10G rate mode
Multicast	・Support IGMP Snooping ・Support MLD Snooping (Multicast Listener Discovery Snooping)
Three-layer protocol
IP routing	・Support port-based input/output bandwidth management ・Support static routing ・Support dynamic routing protocols RIP, RIPng, OSPF, OSPFv3 ・Support VRRP (Virtual Router Redundancy Protocol)
Security
Security Features	・Hardware Support: IP ACL, MAC ACL, VLAN ACL, Support Layer 3 and Layer 4 ACL functionality ・Hardware-based port-level IP+MAC binding ・Support IP Source Guard ・Support ARP Detection functionality ・Support IEEE 802.1x port authentication ・Support RADIUS authentication
Service Quality
QOS	・SP (Strict Priority), Strict Priority Round-Robin Algorithm ・WFQ (Weighted Fair Queuing), Weighted Fair Queuing ・WRR (Weighted Round Robin), Weighted Priority Round-Robin Algorithm ・Random Early Detect (RED), Random Early Detection ・Weighted Random Early Detection (WRED), weighted random early detection algorithm ・Head Of Line, congestion prevention mechanism ・Best-Effort Service, best-effort service ・First come first served, first-come-first-served algorithm ・802.1p port queue priority algorithm ・Cos/Tos, QoS marking ・Differentiated Service, differentiated service
Management Functions
System Maintenance	・Support configuration file upload/download ・Support upgrade package upload ・Support WEB factory reset ・Support system log function ・Support diagnostic functions such as Ping, tracert, and cable detection ・Support WEB interface management (Support HTTP and HTTPS protocols) ・Support Telnet remote management ・Support CLI interface management ・Support SSH 2.0 ・Support SNMP network management ・Support RMON ・Support LLDP
Environmental conditions
Working temperature	-40℃～ 85℃
Storage Temperature	-40℃～ 85℃
Relative humidity	5% ～ 95%(no condensation）
Cooling method	Fanless design, natural cooling
MTBF	300,000 hours
Warranty	5 years
Mechanical structure
Enclosure	IP40 protection level, metal enclosure
Dimension （H*W*D）	45.5mm×440.6mm×285mm
Weight	5Kg
Mounting method	Rack-mounted
Protection
IP rating	IP40
Free fall	0.5m