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Micro House PC Hardware Library Volume II: Network Interface Cards And Modems 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
Type: Register
Format AT [cmds] S29=n [cmds]
Default: 0
Range: 0-255
Unit: .01 seconds
Description: Time the modem will go on-hook upon receiving the ! dial modifier in dial string.

FLOW CONTROL
Type: Configuration
Format: AT [cmds] \Gn [cmds]
Description: Selects modem port flow control
Command Function
\G0Flow control disabled
     \G1 Flow control enabled

FLOW CONTROL CHARACTER - XOFF
Type: Register
Format: AT [cmds] S33=n [cmds]
Default: 19
Range: 0-255
Unit: ASCII
Description: Sets the character used to represent XOFF

FLOW CONTROL CHARACTER - XON
Type: Register
Format: AT [cmds] S32=n [cmds]
Default: 17
Range: 0-255
Unit: ASCII
Description: Sets the character used to represent XON

MAXIMUM BLOCK SIZE FOR TRANSMISSION
Type: Configuration
Format: AT [cmds] \An [cmds]
Description: Sets the maximum transmittable block size
Command Function
     \A0 MNP block size is 64 characters
     \A1 MNP block size is 128 characters
     \A2 MNP block size is 192 characters
\A3MNP block size is 256 characters

MODULATION SELECTION
Type: Configuration
Format: AT [cmds] +MS=xx,y,zzz,aaa [cmds]
Description: Sets options for active protocol. The transfer rates specified by z and a must be valid for the protocol selected.
Command Function
     x=0 V.21
     x=1 V.22
     x=2 V.22bis
     x=3 V.23
     x=9 V.32
     x=10 V.32bis
x=11V.34
     x=64 Bell 103A
     x=69 Bell 212A
     x=74 V.FC
     y=0 Automode disabled
y=1 Automode enabled with V.8 or V.32
z, a=300 Set minimum or maximum transfer rate at 300bps, respectively.
z, a=1200 Set minimum or maximum transfer rate at 1200bps, respectively.
z, a=2400 Set minimum or maximum transfer rate at 2400bps, respectively.
z, a=4800 Set minimum or maximum transfer rate at 4800bps, respectively.
z, a=7200 Set minimum or maximum transfer rate at 7200bps, respectively.
z, a=9600 Set minimum or maximum transfer rate at 9600bps, respectively.
z, a=12000 Set minimum or maximum transfer rate at 12000bps, respectively.
z, a=14400 Set minimum or maximum transfer rate at 14400bps, respectively.
z, a=16800 Set minimum or maximum transfer rate at 16800bps, respectively.
z, a=19200 Set minimum or maximum transfer rate at 19200bps, respectively.
z, a=21600 Set minimum or maximum transfer rate at 21600bps, respectively.
z, a=24000 Set minimum or maximum transfer rate at 24000bps, respectively.
z, a=26400 Set minimum or maximum transfer rate at 26400bps, respectively.
z, a=28800 Set minimum or maximum transfer rate at 28800bps, respectively.

MODULATION SELECTION DISPLAY
Type: Immediate
Format: AT [cmds] +MS? [cmds]
Description: Displays modulation, automode, minimum rate and maximum rate settings

SLEEP TIMER
Type: Register
Format AT [cmds] S24=n [cmds]
Default: 0
Range: 0-255
Unit: 1 second
Description: Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode.

TRANSMIT ATTENUATION LEVEL
Type: Register
Format: AT [cmds] S91=n [cmds]
Default: 10
Range: 0-15
Unit: -1dBm
Description: Controls transmission attenuation level


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