AT&T TL7600 User Manual page 47

Appendix
FCC Part 68 and ACTA
Industry Canada
Operation is subject to the following two conditions: (1) this
device may not cause harmful interference, and (2) this device
must accept any interference, including interference that may
cause undesired operation.
The term ''IC:'' before the certification/registration number only
signifies that the Industry Canada technical specifications were met.
The Ringer Equivalence Number (REN) for this terminal equipment
is 0.1. The REN is an indication of the maximum number of
devices 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 RENs
of all the devices does not exceed five.
This product meets the applicable Industry Canada technical
specifications.
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