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the telecommunications company cause to request the user to disconnect the equipment. Users
should ensure for their own protection that the electrical ground connections of the power utility,
telephone lines, and internal metallic water pipe system, if present, are connected together. This
precaution can be particularly important in rural areas.
CAUTION: Users should not attempt to make such connections themselves, but should contact the
appropriate electric inspection authority, or electrician, as appropriate. The Ringer Equivalence
Number (REN) of this device is 0.0.
Notice: The Ringer Equivalence Number (REN) assigned to each terminal device provides an
indication of the maximum number of terminals allowed to be connected to a telephone interface. The
termination on an interface may consist of any combination of devices subject only to the requirement
that the sum of the Ringer Equivalence Number of all the devices does not exceed five (5.0). The
standard connecting arrangement code (telephone jack type) for equipment with direct connections to
the telephone network is CA11A.
Vietnam Telecom wired/wireless marking for ICTQC Type approved
products
ENWW
Additional statements for telecom (fax) products
315