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AT&T DEFINITY 7200 series User Manual

Page 8

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viii

CONTENTS

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The Communication System as a LAN Backup

8-20

PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS

8-21

PUBLIC DATA NETWORKS

8-21

Packet-Switched Public Data Networks

8-21

Circuit-Switched Public Data Networks

8-22

PRIVATE DATA NETWORKS

8-26

Terrestrial Private Data Network Links

8-26

Satellite Private Data Network Links

8-30

TELEMARKETING HOST CONNECTIONS

8-31

THE ISDN GATEWAY

8-31

THE INTEGRATED TELEMARKETING GATEWAY

8-31

DATA NETWORK ADMINISTRATION

8-35

9

9. . D

DA

AT

TA

A C

CO

OM

MM

MU

UN

NI

IC

CA

AT

TI

IO

ON

NS

S C

CO

ON

NF

FI

IG

GU

UR

RA

AT

TI

IO

ON

NS

S 9

9-

-1

1

DSC AND PSC CONNECTIONS

9-2

SNA NODE CONNECTIONS

9-5

CONNECTIONS THROUGH PUBLIC OR PRIVATE DATA NETWORKS

9-6

File Transfers

9-6

Video Teleconferencing

9-6

Image Processing

9-7

FAX Transmittal

9-7

A

A.

. R

RE

EL

LA

AT

TE

ED

D D

DO

OC

CU

UM

ME

EN

NT

TS

S A

A-

-1

1

B

B.

. S

SY

YN

NC

CH

HR

RO

ON

NI

IZ

ZA

AT

TI

IO

ON

N O

OF

F D

DI

IG

GI

IT

TA

AL

L F

FA

AC

CI

IL

LI

IT

TI

IE

ES

S B

B-

-1

1

THE NEED FOR SYNCHRONIZATION

B-1

SYNCHRONIZATION HIERARCHY

B-3

CHANGES TO THE SCS SOFTWARE MADE AVAILABLE VIA SOFTWARE PATCHES

B-11

NETWORK SYNCHRONIZATION AND ENGINEERING

B-18

AVAILABILITY OF SYNCHRONIZATION SOURCES

B-28

CONCLUSIONS ON SYNCHRONIZATION

B-29