Advertisement
Electro-static Precautions (ESP)
Ll.6
The
reliability of the system. The only components that should be handled on
the PCB are the IDCs, DIL switches and line voltage links. If the PCB or
any other components are liable to be handled then the following
precaution should be taken.
Wrist straps
Before handling printed circuit boards or components, a wrist strap must
be worn and connected to a good earth point. The functional earth
terminal (refer to Figure
cl ip .
Note
The functional earth must be connected to the system for this to be
effective.
TPU
1371Issue3(4/91)
system contains electro-static components, to ensure long term
2+8
2.4)
provided on the CCU can be used with a
Introduction
1 -5
Advertisement
