US Robotics COURIER User Manual page 9

COURIER HIGH SPEED MODEMS
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Chapter 7-Synchronous Operations
Overview
7-1
Data Rate Synchronization 7-1
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Protocol Compatibility 7-1
Requirements 7-1
What You Need to Know 7-2
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The RS-232 Interface 7-2
The Synchronous Adapter Card 7-2
Setting the Modem 7-3
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Modulation/Link Rate Guidelines 7-3
Flow Control Guidelines
7-4
Transmit Clock Source (Xn)
7-4
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Synchronous Mode (&Ml)
7-5
Dialing Out
7-5
Answering 7-6
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Hanging Up 7-6
Chapter 8-Queries and Help Screens
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User Inquiries (In)
8-1
S-Register Query (Sr?) 8-6
Phone Number Query (&Zn?)
8-6
Last-Dialed Number Inquiry (DL?)
8-6
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Help Screens
8-6
Stop /Restart Display
8-6
Cancel Display 8-7
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Basic Command Set ($)
8-7
Extended Command Set(&$) 8-7
Dialing (D$)
8-8
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S-Register Functions (S$)
8-9
PART II. REFERENCE
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Appendix A-Link Negotiation (Handshaking)
and Error Control
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Link Negotiation (Handshaking) A-1
HST Mode A-1
V.32
bis
Mode
A-3
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Dual Standard Handshaking
A-5
Error Control and Throughput
A-5
CCITT V.42 Handshaking A-6
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MNP Handshaking A-6
Data Compression A-6
Flow Control A-7
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Table of Contents
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