C
ERTIFICATION
AND
W
ARRANTY
FCC C
OMPLIANCE
The HTC-439 List 1 does not have any clocking source, and deems to be a passive device per FCC
guidelines. When used in conjunction with any clocking devices, this combined system may radiate
radio frequency energy that can cause harmful interference to radio communications. Operation of
such a system in a residential area is likely to cause harmful interference, in which case the user will
be required to correct the interference at his own expense.
W
ARRANTY
PairGain Technologies warrants this product to be free of defects and to be fully functional for a period
of 60 months from the date of original shipment, given correct customer installation and regular
maintenance. PairGain will repair or replace at PairGain’s option any unit without cost during this
period if the unit is found to be defective for any reason other than abuse or incorrect use or installation.
Do not try to repair the unit. If it fails, replace it with another unit and return the faulty unit to PairGain
for repair. Any modifications of the unit by anyone other than an authorized PairGain representative
voids the warranty.
If a unit needs repair, call PairGain for a Return Material Authorization (RMA) number and return the
defective unit, freight prepaid, along with a brief description of the problem, to:
PairGain Technologies, Inc.
14352 Franklin Avenue
Tustin, CA 92780
ATTN: Repair and Return Dept.
(800) 638-0031
Refer to the instructions under
for complete return instructions.
PairGain continues to repair faulty modules beyond the warranty program at a nominal charge. Contact
your PairGain sales representative for details and pricing.
M
ODIFICATIONS
Any changes or modifications made to this device that are not expressly approved by PairGain
Technologies, Inc. may void the user's warranty.
All wiring external to the products should follow the provisions of the current edition of the National
Electrical Code.
For technical assistance, refer to