GPX X642 User Manual

This equipment complies with Part 68 of the FCC rules and the requirements adopted by the 
Administrative Council for Terminal Attachments (ACTA). On the back of this equipment is a label that 
contains, among other information, a product identifier in the format US:AAAEQ##TXXXX. If 
requested, this number must be provided to your telephone company.

This equipment uses the RJ-11C Universal Service Order Code (USOC) jack.

A plug and jack used to connect this equipment to the premises’ wiring and telephone network must 
comply with the applicable FCC Part 68 rules and requirements adopted by the ACTA. A compliant 
telephone cord and modular plug is provided with this product. It is designed to be connected to a 
compatible modular jack that is also compliant. See the Setup Sheet for more information.

The Ringer Equivalence Number (REN) is used to determine the number of devices that may be 
connected to a telephone line. Excessive RENs on a telephone line may result in the devices not 
ringing in response to an incoming call. In most but not all areas, the sum of RENs should not exceed 
five (5.0). To be certain of the number of devices that may be connected to a line, as determined by 
the total RENs, contact your local telephone company. For products approved after July 23, 2001, the