Appendix A
Global Telecom Solutions Sector
68P80801E30-A 5/1/2002 1301 E. Algonquin Road, Schaumburg, IL 60196 A-1
Appendix A
Acronyms
Acronym Definition
A/D Analog-to-Digital
A Amperes
AC Alternating Current
ACG Access Controller Gateway
ACT Active
ADA American Disabilities Act
AIC Ampere Interrupting Capacity
AIS Alarm Indication Signal (Keep Alive)
AMI Alternate Mark Inversion
ANSI American National Standards
Institute
ASCII American National Standard Code
for Information Interchange
ASIC Application Specific Integrated
Circuit
Aux Auxiliary
avg average
AWG American Wire Gauge
bd baud
BERT Bit Error Rate Test
BMR Base Monitor Radio
BNC Bayonet “N” Connector
BPV Bipolar Violation
BR Base Radio
BRC Base Radio Controller
BSC Base Site Controller
BTU British Thermal Unit
B8ZS Bipolar with 8-Zero Substitution
CC Control Cabinet
CD Carrier Detect
cd change directory
CLK Clock
CLT Controller
cm centimeter
CMOS Complementary Metal Oxide
Semiconductor
CPU Central Processing Unit
CRC Cyclic Redundancy Check
CSMA/CD Carrier Sense Multiple Access with
Collision Detect
CSU Channel Service Unit
CTS Clear to Send
D/A Digital-to-Analog
DAP Dispatch Application Processor
DB-15 15-pin D-subminiature
DB-9 9-pin D-subminiature
DC Direct Current
Acronym Definition