Device parameters 
 Function Description: 
 Economy Modular Industrial Ethernet Switch, store and forward mode, Ethernet (10 Mbit / s) and Fast Ethernet (100 Mbit / s). 
 Port type and quantity: 4x100Base-FX, single / multi-mode fiber, full duplex 16x10/100Base-T (X), twisted pair, RJ45 port, adaptive, automatic MD / MDI-X connection 

 Other interfaces 

 Power terminals: a AC220V power supply terminals or a DC three-wire terminal 

 Cable Length 

 Twisted pair (TP): 100 米 

 Multi-mode optical fiber: transmission distance :2-5km, wavelength: 1310nm 

 LED power:>-20dbm 

 Single-mode optical fiber: transmission distance: 40km (60km; 80km custom), 

 Wavelength: 
 1310nm/1550nm, LED power:>-13dbm 

 Serial Number 

 Linear / star topology: any 

 Ring structure (DT-Ring): 50 (self-healing time <300ms) 

 Power Requirements 

 Input Power: AC220V, DC-48V, DC +24 V, DC110V 

 Power Consumption: <25W 

 Running performance 

 Store and forward rates: 148810pps 

 MAC Address Table Size: 8K 

 Services 

 Diagnostics: LEDs (power, link status, port rate,) 

 Security: Port Security (based on MAC and IP) 

 Other services: broadcast limit 

 Environmental conditions 

 Operating temperature: -35 ℃ to +75 ℃ 

 Storage / transport temperature: -45 ℃ to +85 ℃ 

 Relative humidity (non-condensing): 10% to 95% 

 The average time between failures MTBF: 10 years 

 Mechanical structure 

 Dimensions (W x H x D): 482.6mm x 44mm x 245mm 

 Installation: Rack (standard 19'1U) 

 Protection class: 
 IP40, aluminum housing, fanless design 

 EMC Immunity characteristics 

 EN 61000-4-2 ESD (ESD): ± 4 kV contact discharge, ± 8 kV air discharge 

 EN 61000-4-3 electromagnetic field: 
 10 V / m (80 - 1000 MHz) 

 EN 61000-4-4 Transient hypertension: 
 (Burst) ± 2 KV power line, ± 1