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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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CONFIGURATION PROFILE
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Type:
| Configuration
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Format:
| AT [cmds] Yn [cmds]
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Description:
| Selects which profile the modem will use on power up or reset
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Command
| Function
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Y0 | Profile 0 enabled
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Y1
| Profile 1 enabled
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DATA SET READY (DSR)
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Type:
| Configuration
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Format:
| AT [cmds] &Sn [cmds]
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Description:
| Selects DSR options
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Command
| Function
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&S0 | DSR forced high
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&S1
| DSR high while modem is on-line and off in command mode
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DIALING COMMANDS
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Type:
| Immediate
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Format:
| AT [cmds] D$ [cmds]
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Description:
| Displays dialing commands
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DTE RATE
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Type:
| Configuration
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Format:
| AT [cmds] &Bn [cmds]
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Description:
| Controls the action the DTE speed will take
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Command
| Function
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&B0
| After on-line, DTE speed follows DCE speed
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&B1 | DTE speed constant
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&B2
| DTE speed constant in ARQ mode, DTE speed variable in non-ARQ mode
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FACTORY DEFAULT PROFILE
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Type:
| Configuration
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Format:
| AT [cmds] &Fn [cmds]
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Description:
| Sets values in active profile to values found in the default profile
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Command
| Function
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&F0
| Factory default profile 0
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&F1 | Factory default profile 1, hardware flocontrol enabled
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&F2
| Factory default profile 2, software flow control enabled
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FLOW CONTROL - TRANSMIT
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Type:
| Configuration
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Format:
| AT [cmds] &Hn [cmds]
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Description:
| Selects the type of flow control used by the modem when transmitting
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Command
| Function
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&H0
| Transmit flow control disabled
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&H1 | CTS flow control enabled
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&H2
| XON/XOFF flow control enabled
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&H3
| Both CTS and XON/XOFF flow control enabled
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FLOW CONTROL - RECEIVE
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Type:
| Configuration
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Format:
| AT [cmds] &In [cmds]
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Description:
| Selects the type of flow control used by the modem when receiving
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Command
| Function
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&I0 | Receive flow control disabled
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&I1
| XON/XOFF flow control enabled
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&I2
| XON/XOFF flow control enabled, XON/XOFF signals trapped by local modem
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&I3
| HP ENQ/AQK software flow control enabled in host mode
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&I4
| HP ENQ/AQK software flow control enabled in terminal mode
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&I5
| Software flow control enabled for non-AQR mode
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FLOW CONTROL CHARACTER - XOFF
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Type:
| Register
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Format:
| AT [cmds] S23=n [cmds]
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Default:
| 19
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Range:
| 0-127
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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] S22=n [cmds]
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Default:
| 17
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Range:
| 0-127
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Unit:
| ASCII
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Description:
| Sets the character used to represent XON
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INACTIVITY TIMER
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Type:
| Register
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Format:
| AT [cmds] S19=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:
| Sets the length of time that the modem does not receive information before it disconnects.
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REPORT INFORMATION
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Type:
| Immediate
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Format:
| AT [cmds] In [cmds]
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Description:
| Displays information requested
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Command
| Function
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I0
| Reports product identification code
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I1
| Reports ROM checksum
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I2
| Tests internal memory
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I3
| Reports product ID
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I4
| Reports current command settings
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I5
| Reports stored and active profiles
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I6
| Reports link diagnostics
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I7
| Reports product configuration
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RESULT CODES
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Type:
| Configuration
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Format:
| AT [cmds] Qn [cmds]
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Description:
| Enables modem to send result codes to the DTE
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Command
| Function
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Q0 | Result code sending enabled
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Q1
| Result code sending disabled
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Q2
| Result code sending enabled on originate mode
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