
B8ZS - Binary with 8 Zero Substitution line coding
BERT - Bit Error Rate Test
BT - Bridged Tap - See definition in Attachment 3
CART - Craft Access Remote Testing
CLCI - Common Language Circuit Identification
CLFI - Common Language Facility Identification
CO - Central Office
CSES - Consecutive Severe Errored Seconds
D4 Framing - Superframe
DB - Decibel
DS1 - Digital Signal 1.544 Megabits/second
DSX - Digital Signal Cross Connect Bay in CO
EML - Engineered/Estimated Measured Loss - See definition in Attachment 3
ES - Errored Seconds
ESF - Extended Superframe
FEXT - Far End Cross Talk - See definition in Attachment 3
HDSL - High-Bit-rate Digital Subscriber Line
HECI - Human Equipment Code Item - (11 character code naming revision level of card to be used)
ILR - Intelligent Line Repeater
IOR - Intelligent Office Repeater
ma - milliamps - current measurement
NCI - Network Channel Interface
NCTE - Network Channel Terminating Equipment
NEXT - Near End Cross Talk - See definition in Attachment 3
NI - Network Interface
OSSCN - WFA/C screen for Circuit Notes - Test readings are recorded on this page
AT&T Practice ATT-TP-000-000-006
Issue 1, 08/25/06
2006 AT&T Knowledge Ventures. All rights reserved
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