ADC PG-Flex FRL-842, Руководство пользователя

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April 22, 2003 SCP-FRL842-013-01H
ADC Telecommunications, Inc. 135
A
CRONYMS
2B1Q
–
2 Binary, 1 Quarternary; A line code in which each 2 bits of the binary data stream are combined into a
single symbol of the quaternary line signal
A
AWG – American Wire Gauge
B
BE – Bit Error
C
CD – Carrier Defect
CEV – Controlled Environment Vault
CO – Central Office
COT – Central Office Terminal
CPE – Customer Premises Equipment
CU – Channel Unit
D
DCE – Data Carrier Equipment
DS0 – Digital Signal Level 0
DS1 – Digital Signal Level 1
DSL – Digital Subscriber Line
DSR – Data Set Ready
DTE – Data Terminal Equipment
DTR – Data Terminal Ready
E
EOC – Embedded Operations Channel
ES – Errored Seconds
ESD – Electrostatic Discharge
F
FCC – Federal Communications Commission
G
GND – Ground
H
HDSL – High-bit-rate Digital Subscriber Line
I
IDLC – Integrated Digital Loop Carrier
ISDN – Integrated Services Digital Network