AT&T DEFINITY 2500 series Network Manual page 7

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Parallel vs. Serial
Transmission Speed
Type of Communications Channel
SPECIAL DATA FEATURES
Terminal Dialing
Data Call Setup From a Voice Terminal
Computer Dialing
Data Hot Line
Data Protection
Data Privacy
Data Restriction
Data Only Off-Premises Extension
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
DTE CONNECTIONS
DTE COMPATIBILITY
Protocol Converters
Terminal Emulators
PC/PBX or PC/ISDN
DCE POSSIBILITIES
Data Modules
ADUs
Modems
DATA MODULE CHARACTERISTICS
MODEM POOLING CONNECTIONS
LOCAL AREA NETWORK CONNECTIONS
LAN TOPOLOGY
LAN PROTOCOL
LAN TRANSMISSION MEDIA
LAN CONNECTORS
ADVANTAGES OF A COMMUNICATIONS SYSTEM IN A LAN ENVIRONMENT
Communication Between the LAN and Outside DTEs
Communication Between the LAN and Other Networks
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CONTENTS
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7-6
7-7
7-9
7-9
7-10
7-10
7-10
7-11
7-11
7-11
7-11
8 8- -1 1
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8-4
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8-5
8-5
8-6
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8-10
8-13
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8-14
8-14
8-14
8-15
8-18