User Manual
128
Compliance
facilities of the local telecommunications company.
The equipment must also be installed using an
acceptable method of connections. The customer
should be aware that compliance with the above
conditions may not prevent degradation of service
in some situations.
Repairs to certiî‚żed equipment should be made
by an authorized Canadian maintenance facility
designated by the supplier. Any repairs or alterations
made by the user of this equipment, or equipment
malfunctions, may give the telecommunication
company cause to request the user to disconnect
the equipment.
WARNING: Users should not attempt to make
such connections themselves, but should con-
tact the appropriate electric inspection author-
ity, or an electrician, as appropriate.
CAUTION: The Ringer Equivalence Number
(REN) assigned to each terminal device pro-
vides an indication of the maximum number of
terminals allowed to be connected to a phone
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
Numbers of all the devices does not exceed 5.
An alternative indication of the REN is the Load
Number (LN); this number should be divided by
20 to approximate the equivalent REN. The REN