ATT Definity Addendum 1 For Ds1, Dmi, Isdn Pri Instructions Manual

							INDEXIN-5
D-channel — 
Contd
primary 7-59
signaling 1-4
dial
access code 7-26
Dial Plan Record screen settings E-14
plan screens settings E-26
pulse addressing 2-14
tone 2-6, 2-14
dialed-number identification service (DNIS) A-1
dialing, cut-through 1-27
DID
port family 6-10
trunk administration 6-11
trunk and DPO channel units 2-8
trunk group C-6
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-8
sending trunk groups 1-27
digital
access and cross-connect system (DACS) 2-6,
5-6
communications protocol (DCP)
data modules 7-60
digital data ports 7-9
hyperactivity 2-2
line side 1-4
cross-connects 3-1
data 1-9
data transmission 7-9, 7-115, 7-131
facilities, synchronization of 5-1
fixed loss 4-1
loss plan
definition 4-1
encodes 4-3
external attenuator 2-5
fixed 4-1
implementing 4-1
low 4-1
port-to-port losses 4-5
multiplexed interface (DMI)
administration B-1
alternative to DS1/D4 1-1
digital loss plan 4-2
maintenance 8-1
digital — Contd
multiplexed interface (DMI) — Contd
restrictions 6-3
T1 carrier 3-1
multiplexed interface with bit-oriented
signaling (DMI-BOS)
digital tie trunks 2-3
DSX-1 3-11
Generic 1 6-4
line-only mode 5-29
restrictions 6-2
terminating 4-6
multiplexed interface with message-oriented
signaling (DMI-MOS) 1-2, 2-3
multiplexer 3-1
signal level 1 (DS1) 2-1
administration B-1
connections 2-1
cross-connect field A-1
frame 1-10
location assignment C-10
digits assignment
NPA-NXX 7-18, 7-75
Direct Inward Dial (DID) 4-6
display IE 1-32
distributed communications system (DCS)
network configurations 1-32
DMI
administration 1-23
all-0s octet 1-18
bit-oriented signaling 1-14
BOS
digital tie trunks 2-3
DSX-1 3-11
Generic 1 6-4
line-only mode 5-29
restrictions 6-2
terminating 4-6
channel description 1-2
digital data 1-8
endpoints 2-3
fundamentals 1-1
hyperactivity 2-2
message-oriented signaling 1-14
MOS 2-3
DS1 applications 1-2
operating modes 1-20
port losses, DS1 4-6
private-network connections 2-3
public-network connections 2-6
ADDENDUM 1 (December 1990) to 555-025-101, Issue 4 
						

							IN-6INDEX
DMI — Contd
RBS 1-8
signaling types 1-14
terminal-equipment connections 2-9
trunk 6-5
vendor support 2-4
with CDMs 2-10
DMI-MOS 1-14
DNIS A-1
DS1
1s-density requirement 1-17
24th channel signaling 1-14
administration 1-23
channel assignments (Generic 2) 7-98
channel assignments (System 85) 7-14
channel versus trunk assignments 7-38
all-0s octet 1-18
AMI 1-16
assignments C-10
B8ZS line coding 1-17
bit rate 3-1
bit stream 1-18
bundling signaling 2-11
CDM 2-9
channel bank termination 4-6
circuit pack screen settings E-15
connections 2-1
cross-connect field A-1
D4 framing 1-10
definition 1-1
delta channel 2-11
DMI
BOS
Generic 1 6-4
line-only mode 5-29
line+trunk mode 5-30
ISDN-PRI port losses 4-6
private-network connections 2-3
public-network connections 2-6
terminal-equipment connections 2-9
DSX-1 cross connect 3-1
echo 3-9
encoding technique 1-8
endpoints 2-3
FAS 1-9
for hybrid module 5-9
for traditional module 5-9
frame 1-10
FXO channel units 2-8
hyperactivity 2-1
DS1 — Contd
links to DACS 2-8
maximum cable length 3-1
metallic cabling 3-2
NFAS configuration 1-9
nonmetallic cabling options 3-10
preequalized signal 3-13
primary timing reference 5-8
robbed-bit signaling 7-9, 7-13, 7-14, 7-64
robbed-bit signaling (RBS) 1-8, 1-14
secondary timing reference 5-8
signaling 1-9
signaling types 1-14, 2-11
slip rate 5-10
synchronization 5-1
TN767 5-9
transmission and cabling 3-1
trunks B-1
unknown digital 1-25
VBR signaling 2-11
ZCS line coding 1-17
DS1/ISDN-PRI administration — channel versus
trunk assignments 7-98
DS4 bit rate 3-1
DSC 6-2, 6-12
DSX-1
cross connect 3-1
distance limitations 3-2
line compensation A-1
termination 3-13
vendor interface 2-4
DTE 1-18, 7-141
DTMF 2-6
dual-tone multifrequency signaling (DTMF) 2-6
E
echo cancelers 3-9
EIA
data terminations 1-24
digital loss plan specification
Generic 2 7-65
System 85 7-15
vendor switch 2-4, 2-13
digital tie trunk pad group 4-2
E&M 2-5
endpoints 2-3
engineering, network synchronization and 5-18
equalizer and compensation settings 3-13
ADDENDUM 1 (December 1990) to 555-025-101, Issue 4 
						

							INDEXIN-7
equipment parameters and permitted translation
encodes 7-58
ER channel unit 2-5
errored second (ES) 8-10
ES 8-10
ESF
framing format
ANN11C/ANN11E feature comparison
6-2
description 1-11
DS1 signal 8-8
reliability 7-58
restrictions 2-3
superframe 1-13
excessive slips 8-8
extended digital subscriber line (EDSL) 2-15
extended superframe (ESF) 1-11, 2-3
external clock reference 5-14, 7-6
external reference selection rules 5-27
externally referenced nodes 5-18
F
facility alarms 8-8
facility associated signaling (FAS) 1-9, 7-59
facility formats B-2
Facility Restriction Level (FRL) C-3
family, port 6-10
FAS 1-9, 1-16, 7-59
Feature-Related System Parameters screen
settings E-12
fixed-loss plan 4-1
foreign exchange (FX) 6-4, 7-13
foreign exchange subscriber (FXS) 4-7
formats
facility B-2
four-wire E&M extended range channel units
See 4-wire E&M extended range channel units
2-5
frame 1-10
framing
D4 1-10, 2-5, 2-7
ESF 2-7
extended superframe (ESF) 2-3
formats 1-10
signaling and line coding 2-6, 2-14
free run ability 5-4
FRL 7-160, C-3
FT3 lightwave 3-2functioning modules 5-8
fundamentals of DS1 signals 1-1
FXO 6-11
FXS
channel unit 2-5, 6-11
loss adjustments 4-7
with gain transfer (FXS/GT) channel units
2-5
G
gain transfer 2-5, 4-7
Generic 1
as a system clock reference 5-30
Generic 2
as a system clock reference 5-29
synchronization architecture 5-7
synchronization software operation 5-9
Generic 1
administration options and requirements
7-127
administration settings E-9
DS1/DMI-BOS 6-4
ISDN-PRI maintenance philosophy 8-1
maintenance capabilities and concerns 8-5
Generic 2
administration options and requirements 7-53
digit collection C-8
ISDN-PRI maintenance philosophy 8-1
maintenance capabilities and concerns 8-1
maintenance procedures 8-2
summary of maintenance capabilities 8-5
glare 1-30, 2-2
ground-start CO trunk 6-11
H
high-level data link control (HDLC) 1-18, 7-10,
7-60
high-speed multiplexers, network 1-20
hot standby 5-15
Hunt Group screen settings E-30
hyperactivity 2-1
DCP 2-2
DS1 2-2
Generic 2 2-1
ADDENDUM 1 (December 1990) to 555-025-101, Issue 4 
						

							IN-8          INDEX
I
I.412 1-3
I.431 1-3
I.441 1-3
I.451 1-3
IBM IDNX multiplexer to another system 2-4
IDNX multiplexer 2-4, 6-3
IDSN
Advantage, 6500 1-21
IE 1-16
BC C-1
BCC 1-29
called party 1-29, C-9
called party number C-8
channel ID 2-2
connected number 1-32
display 1-32, C-5
NSF 1-29
NSF (Generic 2) C-15
NSF (System 85 R2V4) C-14
NSF (System 85 R2V4 and Generic 2) C-6,
C-13
opcode translations C-12
inband signaling 1-14
incoming call handling table 7-146, E-25
information
element (IE) 1-16, 1-29, 2-2
Initialization and Administration System
(INADS) 5-12, 7-2
installation compatibilities
ports types 6-1
Integrated Telemarketing Gateway (ITG)
enabling
Generic 2 7-54
System 85 7-4
interexchange carrier (IXC)
Generic 1 routing 7-162
Generic 1 trunk applications 7-148
Generic 1 trunking considerations 7-142
Generic 2 AAR tables 7-108
Generic 2 ARS tables 7-105
network service value C-13
System 85 AAR assignments 7-46
System 85 administration summary 7-49
System 85 ARS assignments 7-43
Interface Links screen settings E-19
internal
clock reference B-9, B-11, B-12
description 5-1
intemal — Contd
clock reference — Contd
digital network nodes 5-6
requirements 5-4
slips 5-3
definition translations C-10
reference selection rules 5-19
referenced nodes 5-18
international calls C-1
interworking 1-30, C-6
Intra-LATA calls, screening 2-7, 2-14
intra-switch connections
ISDN-PRI 2-16
ISDN
administration
channel assignments (Generic 2) 7-98
Advantage 2-19
BRI 1-3
call processing 1-27
dynamic trunk
Bannel assignments C-9
feature operation 7-26, C-6
Generic 2 1-29
incoming call processing 7-39
inferred digits 7-25, 7-31, 7-93
NSF 7-25
private network configurations 2-12
System 85 R2V4 1-31
trunk types 6-4
network identifier 7-105, 7-108, C-13
network-service value C-13
PC 1-22
PRI 1-3
forerunner of 1-2
intra-switch connections 2-16
private-network connections 2-12
public-network connections 2-13
signaling 1-15
trunk facilities 5-29
trunk group C-9
routing parameters
Generic 2 C-3
System 85 R2V4 C-3
SID-ANI 1-31, 7-142
ISL digital low loss plan 4-1
J
jitter 5-3
ADDENDUM 1 (December 1990) to 555-025-101, Issue 4 
						

							INDEXIN-9
L
LAPD 1-3, 7-17
LATA 2-7
layer 1 1-3
layer 2 1-3
LEC
5ESS 2-7, 2-15
carrier facilities 6-1
DS1 connections to 3-9
DS1 reference B-11
IXC 7-142
NXX 7-19
synchronization reference B-12
synchronization source 5-28
LFA alarm 8-8
line
coding
AMI 1-16
B8ZS 1-17, 2-3, 2-7
bipolar 1-16
formats 1-2, 1-16
framing 2-14
signaling 2-14
ZCS 1-17, 2-5, 2-7
compensation settings 7-114, 7-130
equalizer and compensation settings 3-13
only mode 5-29, 6-6
repeater 3-3
+trunk mode 5-30, 6-7
link synchronization 5-1
link-access procedure on the D-channel (LAPD)
7-17
local
access and transport area (LATA) 2-7
exchange code 7-76
exchange company (LEC)
5ESS 2-7, 2-15
carrier facilities 6-1
DS1 connections to 3-9
DS1 reference B-11
IXC 7-142
NXX 7-19
synchronization reference B-12
synchronization source 5-28
Look-Ahead Interflow 1-28
enabling
Generic 2 7-54
System 85 7-4
loop timing 2-5loop-start CO trunk 6-12
LOS 5-9, 5-13, 5-14, 8-9
loss
CO DID trunk ports 4-6
combination tie trunk 4-6
digital 4-1
DS1/DMI/ISDN-PRI 4-6
extended range channel units 4-6
insertion 4-1
ISL digital, low 4-1
of frame alignment (LFA) alarm 8-6, 8-8, 8-9
of signal (LOS) alarm 8-9
OPS ports 4-7
pad group 4-2, 4-3
plan, digital 4-1
plan implementation and provisioning
Generic 1 4-3
Generic 2 4-2
port-to-port 4-1, 4-4
total 4-1
trunk type 47 4-2
trunk type 70 4-2
via net 4-1
M
maintenance
and administration panel (MAAP) 7-1
object (MO) 8-6
options or parameters
Generic 1 7-132
System 75 7-116
test controller panel (MTCP) 8-4
Maintenance-Related System Parameters screen
settings E-13
master reference 5-4
MAUUI 1-30
mean time between failures (MTBF) 5-22
mean time to repair (MTTR) 5-22
MEGACOM
800
DNIS 
A-1
service A-1
special-access administration A-1
message type IE 1-29
message-associated user-to-user information
(MAUUI) 1-30
message-oriented signaling 2-3
metallic cabling 3-2
ADDENDUM 1 (December 1990) to 555-025-101, Issue 4 
						

							IN-10          INDEX
MFAT carrier 6-13
microwave digital radio 3-2
Minor/Major alarm to errored seconds
conversions 8-10
misframe 1-10, 1-13
MO 8-6
mode
data
0 (Generic 2) 1-25
0 (System 85) 1-24
1 (Generic 2) 1-25
1 (System 85) 1-24
2 (Generic 2) 1-24
2 (System 85) 1-24
3 (Generic 2) 1-25
3 (System 85) 1-24
3/2 adaptive (Generic 2) 1-24
64K-bps 1-8
64K-bps (modes 0-3) 1-2
adaptive (mode 3/2) 1-24
BC 7-46
switching (2/3) 1-21
unknown analog (Generic 2) 1-25
unknown digital (Generic 2) 1-25
voice (Generic 2) 1-24
voice grade (Generic 2) 1-25
voice grade (System 85) 1-23
voice (System 85) 1-23
X.25 (Generic 2) 1-25
LAPD (3) 1-2
line-only 5-30, 5-31
line+trunk 5-30, 6-7
trunk 5-30
modem
3.lK-Hz audio C-2
analog 7-9
BCCOS data rates 7-82
connected to digital switch 1-8
digital data 7-34
disrupted transmission B-9
line-only mode 6-6
pooling
description 1-8
Generic 1 7-131, 7-136
System 75 7-115, 7-120
RBS 1-8
voice 7-34
voice (System 85) 1-23
voice-grade data 1-25
voice-grade data (System 85) 1-23modem — Contd
ZCS 7-60
ZCS format 7-10
modular processor data module (MPDM) 1-21
module, backup 5-8
MTBF 5-22
MTCP 8-4
MTTR 5-22
Mu-225 law 1-8
multiplexer 7-60
BCM 2-10
bipolar violation monitor 7-10
bit stuffing 7-10
CDM
access of channels 6-2
applications 2-9
framing format 7-8
line compensation A-1
CEM
applications 2-10
framing format 7-8
line compensation A-1
digital xxii, 3-1
error detection capabilities 8-5
IBM IDNX 6-3
IDNX 2-4
incompatibility with 7-115, 7-131
M13 7-10, 7-60
M1C 7-10, 7-60
MX2 7-10, 7-60
MX3 7-10, 7-60
synchronization 5-1
T1 6-2
multipoint 2-10
N
NCTE
bipolar violations 1-20
metallic facilities 3-2
powering 3-1
network
channel-terminating equipment (NCTE)
bipolar violations 1-20
metallic facilities 3-2
powering 3-1
configurations, DCS 1-32
connections and configurations 2-1
diagram 6-1
ADDENDUM 1 (December 1990) to 555-025-101, Issue 4 
						

							INDEXIN-11
network — Contd
difficulties 2-1
digital transmission 3-1
engineering 5-18
feature 7-103, 7-106
high-speed multiplexers 1-20
identifier
AAR tables 7-108
ARS tables 7-105
NSF IE C-13
service 7-103, 7-106
service value C-13
service/feature options 7-46
services/network features 7-104
side
asymmetrical design 1-30
Generic 1 7-132
Generic 2 7-68
glare 2-2
specification C-10
System 85 7-17
vendor switch connection 2-13
specific facilities (NSF) 2-15, C-6
synchronization
definition 5-1
engineering 5-18
options
Generic 1 7-133
System 75 R1V2 versus System 85
7-116
plan
development steps 5-29
example 5-20
issues 5-1
responsibilities B-8
system clock 7-6
tandem tie-trunk 1-34
transmission equipment 1-20
tuning 5-29
NFAS
definition 1-4
hyperactivity 2-2
on 4ESS 2-14
on Generic 1 and Generic 2 1-9
nodal services 1-31
node connections, cascode 5-24
nonfacility associated signaling (NFAS) 1-4
nonfacility-associated signaling (NFAS) 2-2,
2-14
noninterrupted ringing generator 2-5nonmetallic cabling options 3-10
North American dialing plan 1-29
NPA 7-19, 7-76
NPA-NNX C-17
NPA-NXX
designator C-3, C-9
digits assignment 7-18, 7-75
NSF
administration summary 7-49
IE 1-29, C-6
outgoing calls 2-15
null modem cable B-17
numbering plan area (NPA) 7-19, 7-76
O
octet, all-0s 1-18
office
code 7-19
office interface unit (OIU-2) 2-5
offline module 5-8
off-premises
cabling 3-9
station (OPS)
applications 7-1
channel assignments 7-64
channel selection 7-13
DS1 termination 7-14
DS1/DMI channel administration 6-12
equipment locations 7-14
facility selection 7-13
line applications 7-58
line assignments 7-64
line option 6-4, 7-6
line-only mode 6-6
line+trunk mode 6-10
matching assignments B-3
ports 4-7, 6-6, 6-7
special-access channel unit 6-12
time slots 6-6
to another system 2-5
OIU-2 2-5, 5-28
online module 5-8
on-premises cabling 3-6
Open Systems Interconnection (OSI) 1-3
operating mode
Generic 1 DS1/DMI-BOS 6-4
System 85 DMI-MOS 6-13
System 85 DS1
ADDENDUM 1 (December 1990) to 555-025-101, Issue 4 
						

							IN-12          INDEX
operating mode — Contd
System 85 DS1 — Contd
line-only 6-6
line+trunk 6-7
OPS
ports 4-7, 6-7
to another system 2-5
OSI 1-3
other service/facility options (DMI-MOS/ISDN-
PRI only) 7-16
other vendor digital switch to another system,
connecting 2-4
P
packet switching 1-10
pad group 4-2
parameterized-service format 7-104
partitioning 7-19, 7-78
PC/ISDN 1-22
PCM 1-8, 5-1
PCM data 1-8
PC/PBX Connection 1-22, 1-24
PDS wiring 2-5
per-channel drop and insert capability 6-2
port
family 6-10
grouping rules
line+trunk 6-10
transparent 6-10, 6-12
types 6-1
preequalized signal 3-13
preferred/exclusive option 2-2
premises distribution system (PDS) 2-5
premises distribution system (PDS) wiring 2-5
prerequisite skills and knowledge xxii
PRI pipe 1-4
primary
D-channel 1-5, 1-9, 7-59
facility 7-11, 7-61
rate interface (PRI) 1-3
reference facility 5-24
reference frequency 5-23
synchronization reference 7-12, 7-63, 8-10
Generic 1 5-11
Generic 2 5-7
System 75 5-11
System 85 5-7
private network connections
private network connections — Contd
4ESS to another system 2-6
administration (System 85 and Generic 1) E-8
analog switch to another system 2-5
compatibility issues 2-4
DS1/DMI 2-3
Generic 1, Generic 2, System 75, or System 85
to Another System 2-3
host computer to another system 2-3
IBM IDNX multiplexer to another system
2-4
ISDN-PRI 2-12
OPS to another system 2-5
other vendor digital switch to another system
2-4
System 85 or Generic 2 ISDN-PRI to another
vendor digital switch 2-13
System 85 R2 to a System 85 R2V4,
Generic 1, or Generic 2 2-12
Processor Channel Assignment screen settings
E-20
Processor Interface Data Module screen settings
E-18
protocol discriminator 1-29
public network connections
5ESS to another system 2-7
analog CO to another system 2-8
DACS to another system 2-8
DS1/DMI 2-6
Generic 2 ISDN-PRI with ITGI 2-16
ISDN-PRI 2-13
System 85 or Generic 2 ISDN-PRI to a 5ESS
2-15
System 85 R2V4, Generic 1, and Generic 2 to
a 4ESS 2-13
System 85 R2V4, Generic 1, or Generic 2 to a
DACS 2-15
pulse-code modulation (PCM) 1-8, 5-1
Q
Q recommendations 1-3
Q.921 1-3
Q.931 1-3
R
R2V4 alternate signaling type translations D-6
RBS 1-8, 1-14, 1-34, 2-5, 2-7
ADDENDUM 1 (December 1990) to 555-025-101, Issue 4 
						

							INDEXIN-13
RBS — 
Contd
and CDM 2-10
and D4-channel banks 2-5
and DACS 2-8, 2-15
and DMI-BOS 7-115, 7-131
and DS1 facilities 7-60
and T1 facilities 7-10, 7-60
and VBR signaling differences 2-11
mode 1 data calls 7-9
on primary/secondary facilities 7-11
VBR 2-11
red alarm 8-5, 8-8
reference
facility
primary 5-24
secondary 5-24
frequency 2-15
AT&T 2-7, 5-28
Bell System 2-7
primary 5-23
secondary 5-23
selection rules
external 5-27
internal 5-19
references xxiv
remote frame alarm (RFA) 8-9
repeater
line 3-3
T1 3-9
test 3-3
restricted
channel C-17
definition 1-18
digital data 1-9, C-3
reverse-battery (E&M) signaling 2-6
RFA 8-9
RNX 1-29
robbed-bit signaling
B8ZS 2-7
D4 framing 2-5
DS1 1-14
DS1/DMI-BOS connection to D4-channel
bank 2-5
inband 1-34
VBR 2-11
voice-grade data calls 1-8
ZCS 2-5, 2-7
Routing Pattern screen settings E-27
S
SAO 6-11
SAS 6-11
screening Intra-LATA calls 2-7, 2-14
SCS 6-3
SDN
CBC Service Selection 1-31
secondary
D-channel 1-5, 1-9
facility 7-11, 7-61
reference facility 5-24
reference frequency 5-23
synchronization reference
blue alarm 8-10
Generic 1 5-11
Generic 2 5-7
Generic 2 assignment 7-63
System 75 5-11
System 85 5-7
System 85 assignment 7-12
selecting a timing source for the switch 5-18
service
acknowledge 8-2
/facility options
DS1 characteristics 7-127
System 75 R1V2 versus System 85 7-113
System 85 Release 2 7-7
type, DMI-MOS 2-3
shared channel 2-10
SID Prefix Table screen settings E-28
SID-ANI 1-31, 7-142
signal, preequalized 3-13
signaling 2-6
24th-channel 1-14, 2-3
AT&T proprietary 1-14
bundling 2-11
channel 1-4
cross-references D-2
DMI-BOS 1-14, 2-3
DMI-MOS 1-14, 2-3
dual-tone multifrequency (DTMF) 2-6
E&M (reverse-battery) 2-6
framing 2-14
group 1-4, 7-165
inband 1-14
ISDN trunk 1-27
link code (SLC) 2-7
nonfacility associated 2-14
R2V4 alternate type translations D-6
ADDENDUM 1 (December 1990) to 555-025-101, Issue 4 
						

							IN-14          INDEX
signaling — Contd
reverse-battery (E&M) 2-6
robbed-bit 1-14
B8ZS 2-7
D4 framing 2-5
definition 1-14
DS1/DMI-BOS connection to D4-channel
bank 2-5
VBR 2-11
ZCS 2-7
system number 7 7-30, 7-92
trunks supporting type 20 7-25, 7-31, 7-87,
7-93
type
compatibility D-7
definitions D-8
variable bit robbed (VBR) 2-11
signals, channel 1-7
SLC 2-7
SLIM 2-7
slip 1-17, 8-8
controlled 5-3
excessive 8-8
slot
virtual 6-7
slot, virtual 6-6
Software Defined Network (SDN) 1-31
software operation, System 75 and Generic 1
synchronization 5-12
special access
administration requirements A-1
channel unit 6-11
connections 2-6
office (SAO) 6-11
subscriber 6-11
SS7 7-30, 7-92
station identification (SID) number 1-31
strata 5-5
stratum-4
type I 5-5
type II 5-5
subnet trunking E-8
subscriber, foreign exchange 4-7
subscriber loop interface module (SLIM) 2-7
superframe
D4 1-10
framing format 1-15
supported
digital facilities 6-2
port types, Generic 1 DS1/DMI-BOS 6-4synchronization
4ESS to another system 2-7
accuracy 5-4
architecture
System 75 and Generic 1 5-11
System 85 and Generic 2 5-7
computers in private networks 2-4
conclusions 5-29
digital facilities 5-1
engineering 5-18
hierarchy 5-3
layers 5-5
levels
bit 5-1
character 5-1
frame 5-1
message 5-1
time-slot 5-1
link 5-1
misconceptions 5-28
need for 5-1
network 5-1, 5-18
plan 5-29
plan screen settings E-17
primary reference 5-4
secondary reference 5-4
software operation, System 85 and Generic 2
5-9
sources 5-28
special-access applications 2-15
synchronous transmission 5-1
system clock
reference
using Generic 1 5-30
using Generic 2 5-29
synchronizer 6-3
System Parameters - Customer Options screen
settings E-11
System 75
administration options and requirements
7-113
and Generic 1 synchronization architecture
5-11
and Generic 1 synchronization software
operation 5-12
System 85
administration options and requirements 7-3
administration settings E-1
digit collection C-8
synchronization architecture 5-7
ADDENDUM 1 (December 1990) to 555-025-101, Issue 4