AT&T DEFINITY 7200 series - Manual (Page 7)

CONTENTS vii
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Parallel vs. Serial 7-6
Transmission Speed
7-6
Type of Communications Channel
7-7
SPECIAL DATA FEATURES
7-9
Terminal Dialing
7-9
Data Call Setup From a Voice Terminal 7-10
Computer Dialing 7-10
Data Hot Line 7-10
Data Protection 7-11
Data Privacy 7-11
Data Restriction 7-11
Data Only Off-Premises Extension 7-11
8 8. . D DA AT TA A C CO OM MM MU UN NI IC CA AT TI IO ON NS S C CA AP PA AB BI IL LI IT TI IE ES S 8 8- -1 1
DTE CONNECTIONS 8-3
DTE COMPATIBILITY 8-3
Protocol Converters 8-3
Terminal Emulators 8-4
PC/PBX or PC/ISDN
8-4
DCE POSSIBILITIES
8-5
Data Modules
8-5
ADUs 8-6
Modems 8-6
DATA MODULE CHARACTERISTICS 8-6
MODEM POOLING CONNECTIONS 8-10
LOCAL AREA NETWORK CONNECTIONS 8-13
LAN TOPOLOGY 8-13
LAN PROTOCOL 8-13
LAN TRANSMISSION MEDIA 8-14
LAN CONNECTORS 8-14
ADVANTAGES OF A COMMUNICATIONS SYSTEM IN A LAN ENVIRONMENT 8-14
Communication Between the LAN and Outside DTEs 8-15
Communication Between the LAN and Other Networks 8-18