Panasonic FX-301P Digital Fiber Amplifier – Standard Type – Red LED -PNP
Panasonic FX-311P Manually Adjustable Fiber Optic Amplifier – Red LED – PNP
Panasonic FX-551 Fiber Optic High Power Amplifier Dual Display NPN Quick Disconnect
Panasonic FX-411P Digital Fiber Optic Sensor – Red LED – PNP