A complete list of S-Registers
A-11
0
1
Dial security enabled.
1
2
Prompting enabled.
2
4
Local-access password protection
enabled.
Enabling local-access password protection disables the &Zn=s command (which
stores up to 10 phone numbers) because stored phone numbers occupy the same
space in NVRAM as the dialback numbers for Dial Security accounts.
S54
64
Symbol rate bit-mapped register used primarily by 3Com
Technical Support for debugging purposes.
Bit
Value
Result
0
1
Disable 2400 symbol rate.
1
2
Disable 2743 symbol rate.
2
4
Disable 2800 symbol rate.
3
8
Disable 3000 symbol rate.
4
16
Disable 3200 symbol rate.
5
32
Disable 3429 symbol rate.
6
64
Disable Call Indicate (CI).
7
128
Disable V.8.
S55
0
Trellis code bit-mapped register used primarily by 3Com
Technical Support for debugging purposes.
Bit
Value
Result
0
1
Disable 8S-2D mapping.
1
2
Disable 16S-4D mapping.
2
4
Disable 32S-2D mapping.
3
8
Disable 64S-4D mapping.
7
128
Enable phase roll detection
S56
0
Bit-mapped register primarily used by 3Com Technical
Support for debugging purposes.
Bit
Value
Result
0
1
Disable non-linear coding.
1
2
Disable TX level deviation.
Register
Default
Function
Summary of Contents for U.S. Robotics 56K Voice
Page 14: ...4 ABOUT THIS GUIDE...
Page 32: ...1 18 CHAPTER 1 CONNECTING TO YOUR ISP...
Page 42: ...3 6 CHAPTER 3 MODES OF OPERATION...
Page 64: ...7 4 CHAPTER 7 CONTROLLING EIA 232 SIGNALING...
Page 72: ...8 8 CHAPTER 8 CONTROLLING DATA RATES...
Page 80: ...9 8 CHAPTER 9 ACCESSING AND CONFIGURING THE BUSINESS MODEM REMOTELY...
Page 96: ...11 6 CHAPTER 11 FLOW CONTROL...
Page 108: ...12 12 CHAPTER 12 HANDSHAKING ERROR CONTROL DATA COMPRESSION AND THROUGHPUT...
Page 112: ...13 4 CHAPTER 13 DISPLAYING QUERYING AND HELP SCREENS...
Page 124: ...14 12 CHAPTER 14 TESTING THE CONNECTION...
Page 132: ...15 8 CHAPTER 15 TROUBLESHOOTING...
Page 162: ...B 14 APPENDIX B ALPHABETIC COMMAND SUMMARY...
Page 168: ...C 6 APPENDIX C FLOW CONTROL TEMPLATE...
Page 210: ...14 GLOSSARY...