Brother Model MFC-5200C User Manual page 289

EQUIPMENT ATTACHMENT LIMITATIONS
(Canada only)
NOTICE
This equipment meets the applicable Industry Canada Terminal
Equipment Technical Specifications. This is confirmed by the
registration number. The abbreviation, IC, before the registration
number signifies that registration was performed based on a
Declaration of Conformity indicating that Industry Canada technical
specifications were met. It does not imply that Industry Canada
approved the equipment.
NOTICE
The Ringer Equivalence Number (REN) for this terminal equipment is
0.4. The REN assigned to each terminal equipment 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 Numbers of all the
devices does not exceed five.