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IN-4
INDEX
COR 7-112, 7-125, A-2
COS C-1
BC and ISDN routing 7-80
interworking 1-27
translation
Generic 1 7-125
Generic 2 7-51
CRC 1-12, 1-14
CRV 1-26
CSU xix, 1-20, 3-2
customer
controllable reconfiguration 2-8
service unit 1-20, 3-2
cut-through dialing trunk groups 1-25
cut-through operation 1-31
cyclic redundancy check (CRC) 1-12
D
D4
channel bank 2-5, 5-20
framing format
ANN11C/ANN11E feature comparison
6-2
AT&T proprietary signaling 1-15
CRC errors 8-8
description 1-10
DS1 signal 8-8
restrictions 2-5
superframe 1-10
DACS
cConnections
5-6
frames 2-6
to another system 2-8
data
channel 1-2
circuit-terminating equipment (DCE) 1-21,
7-127
digital, transmission conditions 1-9
mode 1 1-8
module
assignment 7-125
BRI protocol 7-58
DCP protocol 7-10, 7-58
interfaces 1-8
restrictions 1-18
PCM 1-8
terminal equipment (DTE) 1-18, 7-127
voice 1-8
data—
Contd
voiceband analog 1-8
voice-grade 1-8
DCE 1-21, 7-127
D-channel
backup
and 4ESS 2-14
description 1-5
limitation without 1-5
definition 1-2
primary 7-57
signaling 1-4
DCP
data modules 7-58
digital data ports 7-9
hyperactivity 2-2
line side 1-4
DCS 1-29
dedicated switch connection (DSC) 6-2, 6-12
delta channel 2-11
dial
access code 7-26
plan 1-30
pulse D-2
pulse addressing 2-14
tone 2-6, 2-14
dialed-number identification service (DNIS)
A-1
dialing, cut-through 1-25
DID
port family 6-10
trunk administration 6-11
trunk and DPO channel units 2-8
trunk group 1-29, C-5
trunk ports, CO 4-6
trunk type on 4ESS 2-6
unit loss 4-6
differences between System 85 R2V1, V2, V3,
and V4 7-6
digit
collection C-7
sending trunk groups 1-25
digital
access and cross-connect system (DACS)
2-6, 5-6
communications protocol (DCP)
data modules 7-58
digital data ports 7-9
hyperactivity 2-2
line side 1-4