1-port RS-232/422/485 device server with 2 10/100BaseT(X) ports (RJ45 connectors, single IP) and 2 KV optical isolation, 0 to 55°C operating temperature
LUBAN Led Signal Tower Stack Lights, Industrial Signal Warning Lights, Column Tower Lamp Andon Lights with Rotatable Base, Steady/Flashing Light Switchable, 12-24V DC(2-Level, with Buzzer)