IN-16 INDEX
voice-grade data—Contd
definition 1-8
Generic 1 AVD trunk limitations 7-118
System 75 AVD trunk limitations 7-109
System 85 AVD trunk limitations 7-9
W
Wide Area Telecommunications Service
(WATS) 2-8, 7-13, D-1
wiring, premises distribution system (PDS) 2-5
X
X.25 1-10
Y
yellow alarm 8-5, 8-9
Z
zero code suppression (ZCS)
and B8ZS differences 1-19
line coding 1-17, 2-5
restricted channels 1-18