Plantronics MHA 100 Guia Del Usuario página 15

equipment malfunctions, may give the
telecommunications company cause
to request the user to disconnect the
equipment.
Users should ensure for their own protec-
tion that the electrical ground connections
of the power utility, telephone lines and
internal metallic water pipe system, if
present, are connected together. This
precaution may be particularly important
in rural areas.
CAUTION:
Users should not attempt to
make such connections themselves, but
should contact the appropriate electrical
inspection authority, or electrician, as
appropriate.
The Ringer Equivalence Number is an
indication of the maximum number of
terminals allowed to be connected to a
telephone interface. The termination on
interference may consist of any combi-
nation of devices subject only to the
requirement that the sum of the Ringer
Equivalence Numbers of all the devices
does not exceed five.
(The term "IC:" before the certification/
registration number only signifies that the
Industry Canada technical specifications
were met.)