78 Keysight M8000 Series of BER Test Solutions User Guide
2 Know Your Hardware
Discharging Cables
Loose cables are like a capacitor and can hold electrostatic charges. The
free end of a cable touching surfaces that have voltage levels will cause
product damage. Before connecting any cable to product connector, short
the center and outer conductors of the cable together to ground
momentarily.
You should use the cable discharger provided with the initial product
shipment and shown in the following figures.