Interface
Port Description:	2 Gigabit fiber interfaces + 16 Gigabit RJ45 ports
RJ45 Ports：	10/100/1000M Auto-Negotiation, Full/Half Duplex MDI/MDI-X Auto-Crossover
Fiber Ports：	1000BaseFX port (SFP slot) 10/100/1000 Mbps auto-negotiation
LED Indicators
Power Indicator	PWR
Port Indicators	Electrical Ports, Fiber Ports (Link/ACT)
Electrical Characteristics
Input Voltage：	DC48-57V（Dual Power Redundancy）
Terminal：	Phoenix Terminal
Dual Power Redundancy：	Support
Overcurrent Protection：	Support
Reverse Polarity Protection：	Support
Power Consumption：	・Non-PoE Full Load＜ 12W     ・PoE Full Load＜ 240W
PoE Support (Optional)
Standard PoE：	IEEE802.3af/IEEE802.3at
PoE Ports：	1-16
Maximum Output Power：	15.4W (IEEE 802.3af )
Maximum Output Power：	30W (IEEE 802.3at)
Layer 2 Switching
Switching Capacity	56G
Buffer	12Mbit
MAC Address	8k
Switching Delay	＜ 10μs
Forwarding Mode	Store-and-Forward
Switching Functions	・Support port rate limiting ・Support port aggregation ・Support Port flow control ・Support Port VLAN、IEEE802.1QVLAN ・Support broadcast storm suppression
Multicast technology	・支持IGMP snooping、MLD Snooping ・支持静态组播
Redundancy technology	Support STP/RSTP/MSTP，Support ERPS
Ethernet Standards	・IEEE802.3 10Base-T ・IEEE802.3u 100Base-TX/100Base-FX ・IEEE802.3x Flow Control ・IEEE802.3z 1000Base-LX ・IEEE802.3ab 1000Base-T ・IEEE802.1ab Logical Link Discovery Protocol ・IEEE802.1D Spanning Tree Protocol ・IEEE802.1w-Rapid Spanning Tree Protocol ・IEEE802.1Q VLAN Tagging ・IEEE802.1p Class of Service ・IEEE802.1X Port Based Network  Access Control
Reliability Indicators	・EMI:FCC Part 15 Subpart B ClassA，EN 55022 Class ・EMS: ・IEC (EN) 61000-4-2 (ESD): Class B ±8kV Contact discharge, ±12kV air discharge ・IEC(EN)61000-4-3(RS):10V/m(80 ～ 1000MHz) ・IEC(EN)61000-4-4(EFT):Network port:±4kV CM//±2kV DM ・IEC(EN)61000-4-5(Surge):Network port:±4kV CM//±2kV DM ・IEC(EN)61000-4-6(RF conducted):3V(10kHz ～ 150kHz)10V(150kHz ～ 80MHz) ・IEC(EN)61000-4-16(Common mode conducted):30V cont. 300V,1s ・IEC(EN )61000-4-8 ・Reliability: ・Shock：IEC 60068-2-27 ・Freefall：IEC 60068-2-32 ・Vibration：IEC 60068-2-6
Management and Maintenance
Console、Telnet	Support
WEB	Support
SNMPv1/v2/v3	Support
Network Security
IEEE 802.1x	Support
HTTP	Support
RADIUS	Support
MAC Address Binding	Support
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
Dimensio（H*W*D）	45.4mm×135mm×175.6mm
Weight	0.82Kg
Mounting method	DIN-rail
Protection
IP rating	IP40
Free fall	0.5m