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48CHAPTER 3: INSTALLATION PREPARATION
Wearing an To prevent the electronic components from being damaged by the electrostatic
Strap note the issues below:
■Always wear an
■Hold the circuit board by the edge. Do not touch the components or the electric printed circuit.
Take the following steps to use the
Step 1: Wear the wrist strap on your wrist.
Step 2: Lock the wrist strap tight around your wrist to keep good contact with the skin.
Step 3: Insert it into the hole peculiar to
Step 4: Make sure that the
c CAUTION: For the sake of safety, check the resistance of the
Safety Some I/O modules of the Switch 8800 Family have optical interfaces. In operating Recommendations status, it is dangerous to stare into the open optical interface because the laser
against Laser being transmitted through the optical fiber produces a small beam of light which has very high power density and is invisible to human eyes; when a beam of light enters the eye, retina may be burned.
c CAUTION: The laser inside the optical fiber may hurt your eyes.
Examining Installation The Switch 8800 Family can only be used indoors. To ensure that the switch works
Sitenormally and to prolong its service lifetime, the following requirements should be met in terms of installation environment.
Temperature/Humidity To ensure the normal operation and service lifetime of a switch, proper Requirements temperature and humidity should be maintained in the equipment room.