ET2101 Fibre Optic Cable Tester
Specification

• Power: Off/On
• 50/125µm or 62.5/125µm: Adjusts the output power level to match the fibre cable size
• Source ON /Talk: Turns on optical source
• Volume: Side mounted volume control for the headphone / earphone audio level
• Microphone (ext): 3.5mm stereo jack socket (mono compatible- tip & sleeve)
• Headphones: 3.5mm stereo jack sockets

• Low Battery (flashing): Flashing (red) <30 mins power remaining
• Emitting: (yellow) indicates light source is ON
• Level / Loss: 12 segment display (yellow) indicating the received light level with reference to –20dBm. For signals of less than –30dBm the separate (red) indicator is illuminated
• Overload: Indicates (red) excessive input audio levels is being detected by the microphone, which might result in distorted speech at the receiving unit

• Source: -20dBM ±0.2 at 820nm
• Optical: ST connectors (standard)
• Headphone Impedance: 32 ohms
• Microphone type: Electret

• Size: 65x120x22mm (excluding connectors)
• Weight: 140g (5oz) approx (including batteries)
• Case: ABS to UL-94H

• Source: 2 x AA cells (MnAlk recommended)
• Life: Typically 16 hours