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Micro House PC Hardware Library Volume II: Network Interface Cards And Modems
by Micro House International, Inc. and Scott Mueller
Que, Macmillan Computer Publishing
ISBN: 078971664x Pub Date: 06/17/98
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FLASH DIAL MODIFIER TIME
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Type:
| Register
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Format
| AT [cmds] S29=n [cmds]
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Default:
| 0
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Range:
| 0-255
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Unit:
| .01 seconds
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Description:
| Time the modem will go on-hook upon receiving the ! dial modifier in dial string.
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FLOW CONTROL
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Type:
| Configuration
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Format:
| AT [cmds] \Gn [cmds]
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Description:
| Selects modem port flow control
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Command
| Function
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\G0 | Flow control disabled
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\G1
| Flow control enabled
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FLOW CONTROL CHARACTER - XOFF
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Type:
| Register
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Format:
| AT [cmds] S33=n [cmds]
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Default:
| 19
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Range:
| 0-255
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Unit:
| ASCII
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Description:
| Sets the character used to represent XOFF
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FLOW CONTROL CHARACTER - XON
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Type:
| Register
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Format:
| AT [cmds] S32=n [cmds]
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Default:
| 17
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Range:
| 0-255
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Unit:
| ASCII
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Description:
| Sets the character used to represent XON
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MAXIMUM BLOCK SIZE FOR TRANSMISSION
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Type:
| Configuration
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Format:
| AT [cmds] \An [cmds]
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Description:
| Sets the maximum transmittable block size
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Command
| Function
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\A0
| MNP block size is 64 characters
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\A1
| MNP block size is 128 characters
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\A2
| MNP block size is 192 characters
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\A3 | MNP block size is 256 characters
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MODULATION SELECTION
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Type:
| Configuration
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Format:
| AT [cmds] +MS=xx,y,zzz,aaa [cmds]
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Description:
| Sets options for active protocol. The transfer rates specified by z and a must be valid for the protocol selected.
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Command
| Function
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x=0
| V.21
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x=1
| V.22
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x=2
| V.22bis
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x=3
| V.23
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x=9
| V.32
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x=10
| V.32bis
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x=11 | V.34
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x=64
| Bell 103A
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x=69
| Bell 212A
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x=74
| V.FC
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y=0
| Automode disabled
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y=1
| Automode enabled with V.8 or V.32
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z, a=300
| Set minimum or maximum transfer rate at 300bps, respectively.
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z, a=1200
| Set minimum or maximum transfer rate at 1200bps, respectively.
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z, a=2400
| Set minimum or maximum transfer rate at 2400bps, respectively.
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z, a=4800
| Set minimum or maximum transfer rate at 4800bps, respectively.
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z, a=7200
| Set minimum or maximum transfer rate at 7200bps, respectively.
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z, a=9600
| Set minimum or maximum transfer rate at 9600bps, respectively.
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z, a=12000
| Set minimum or maximum transfer rate at 12000bps, respectively.
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z, a=14400
| Set minimum or maximum transfer rate at 14400bps, respectively.
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z, a=16800
| Set minimum or maximum transfer rate at 16800bps, respectively.
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z, a=19200
| Set minimum or maximum transfer rate at 19200bps, respectively.
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z, a=21600
| Set minimum or maximum transfer rate at 21600bps, respectively.
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z, a=24000
| Set minimum or maximum transfer rate at 24000bps, respectively.
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z, a=26400
| Set minimum or maximum transfer rate at 26400bps, respectively.
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z, a=28800
| Set minimum or maximum transfer rate at 28800bps, respectively.
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MODULATION SELECTION DISPLAY
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Type:
| Immediate
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Format:
| AT [cmds] +MS? [cmds]
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Description:
| Displays modulation, automode, minimum rate and maximum rate settings
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SLEEP TIMER
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Type:
| Register
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Format
| AT [cmds] S24=n [cmds]
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Default:
| 0
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Range:
| 0-255
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Unit:
| 1 second
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Description:
| Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode.
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TRANSMIT ATTENUATION LEVEL
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Type:
| Register
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Format:
| AT [cmds] S91=n [cmds]
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Default:
| 10
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Range:
| 0-15
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Unit:
| -1dBm
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Description:
| Controls transmission attenuation level
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