User Manual
- 3 - 
Features 
High Performance Network Switching Technology 
•  10/100BaseT(X) auto-negotiation speed, full/half duplex mode, 
auto MDI/MDI-X connection, and 100BaseFX (SC/ST type, 
Multi/Single mode). 
•  IEEE 802.3 for 10BaseT, IEEE 802.3u for 100BaseT(X) and 
100BaseFX. 
•  IEEE 802.1p for Quality of Service (QoS) traffic prioritized function. 
•  Store-and-forward switching process type. 
Industrial-grade Reliability 
•  Power failure, port break alarm by relay output 
•  Redundant dual DC power inputs 
•  Broadcast storm protection to prevent network devices from 
crashing 
Rugged Design 
•  Operating temperature range from -10 to 60°C, or extended 
operating temperature from -40 to 75°C for “-T” models 
•  IP30, rugged high-strength case 
•  DIN-rail or panel mounting ability 
WARNING
The 
power for this product is intended to be supplied by a 
Listed Power Supply, with output marked LPS, and rated to 
deliver 12 to 48 VDC at a maximum 
of 0.62 A. 
The DC 
jack should be used with an LPS unit that is rated to 
deliver 12 to 48 VDC at a minimum of 1.1A. The product should 
not be disassembled by operators or service people. 










