PairGain PG-Flex FRC-754 L4, Manual

Page: 16 / 18

Abbreviations 363-754-104-01, Revision 01
12 June 22, 1998 PG-Flex FRC-754 List 4
FCC Compliance
This unit complies with the limits for Class B digital devices pursuant to Part 15 of the FCC rules. These limits
are designed to provide reasonable protection against harmful interference when the equipment is operated in a
commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, can cause harmful interference to radio
communications. Operation of this equipment 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.
Refer to the installation section of the appropriate instruction manual for the unit you are installing to get
information on:
• Cabling
• Correct connections
• Grounding
Modifications
The FCC requires the user to be notified that any changes or modifications made to this device that are not
expressly approved by PairGain Technologies, Inc. may void the user's authority to operate the equipment.
All wiring external to the products should follow the provisions of the current edition of the National Electrical
Code
A
BBREVIATIONS
2B1Q 2 binary bits encoded in one quaternary symbol
AWG American Wire Gauge
CLASS Custom Local Area Signaling Services
CO Central Office
COT Central Office Terminal
DS0 Digital Signal Level Zero (64 kb/s)
DTMF Dual Tone Multi-Frequency
HDSL High-bit-rate Digital Subscriber Line
MLT Mechanized Loop Testing
PBX Private Branch Exchange
PCM Pulse Code Modulation
PGTC Pair Gain Test Controller
POTS Plain Old Telephone Service
RMA Return Material Authorization
RT Remote Terminal