Ground Loop Isolator Audiopipe Compatible With Nippon IS160

Black Box Ethernet Data Isolator - 10BASE-T/100BASE-TX

Luna Optoelectronics NSL-32 Optocoupler Analog Axial Photocell 2.0 V@ 16mA 40 mA (Max.)

Luna Optoelectronics NSL-32SR2 Optocoupler Analog Axial Photocell 2.5 V@ 16mA 25 mA (Max.)