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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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STATUS-REGISTER
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Type:
| Configuration
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Format:
| Read: AT [cmds] Sn? [cmds]
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Write: AT [cmds] Sn=x [cmds]
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Description:
| Writes to or reads from a specified register. Valid values 0-255
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Command
| Function
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Sn.b=x
| Write to register bit b using values 0 (off) and 1 (on) for x
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STORE ACTIVE PROFILE
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Type:
| Configuration
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Format:
| AT [cmds] &Wn [cmds]
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Description:
| Writes the values for the active profile into the non-volatile RAM templates
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Command
| Function
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&W0
| Write the active profile to stored template 0
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&W1
| Write the active profile to stored template 1
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STORE COMMAND STRING
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Type:
| Configuration
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Format:
| AT [cmds] &ZCn=(command string)
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Description:
| Writes selected command string into the non-volatile memory at location n (n=0-9)
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Command
| Function
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&ZC=n
| Writes command string into the non-volatile memory at location n
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&ZC?
| Displays stored command string
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STORE DIAL STRING
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Type:
| Configuration
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Format:
| AT [cmds] &Zn=(phone # & modifiers)
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Description:
| Writes selected dial string into the non-volatile memory at location n (n=0-9)
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Note: The characters described in the D command are valid for use in the &Z command.
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Command
| Function
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&Zn?
| Displays phone number from non-volatile memory at location n
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TEST MODES
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Type:
| Configuration
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Format:
| AT [cmds] &Tn [cmds]
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Description:
| Controls loopback tests: analog, digital, remote digital, and self tests.
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Command
| Function
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&T0
| Testing disabled
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&T1
| Local analog loopback enabled
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&T3
| Local digital loopback enabled
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&T4
| Remote digital loopback enabled
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&T5
| Remote digital loopback prohibited
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&T6
| Remote digital loopback initiated
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&T7
| Remote digital loopback w/ self-test and error detector in progress
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&T8
| Local analog loopback w/ self-test and error detector in progress
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TEST MODES
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Type:
| Register
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Format:
| AT [cmds] S16=n [cmds]
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Default:
| 0
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Range:
| 0-15
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Description:
| Controls tests, analog loopback, dial, test pattern and remote digital loopback.
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Bit
| Value
| Function
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0
| 0 | Local analog loopback disabled
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1
| Local analog loopback enabled
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1
| 0 | Dial test disabled
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1
| Dial test enabled
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2
| 0 | Test pattern disabled
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1
| Test pattern enabled
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3
| 0 | Remote digital loopback disabled
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1
| Remote digital loopback enabled
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TEST TIMER
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Type:
| Register Format AT [cmds] S18=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 maximum duration for modem tests
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Note: S18=0 disables the timer and allows an indefinite duration.
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TIME DISPLAY
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Type:
| Immediate
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Format:
| AT [cmds] Kn [cmds]
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Description:
| Displays the current call time or clock time
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Command
| Function
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K0
| Display length of last call, if off-line; duration of call while on-line.
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K1
| Display actual time (HH:MM:SS)
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TRANSMITTER
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Type:
| Configuration
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Format:
| AT [cmds] Cn [cmds]
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Description:
| Controls the transmitter.
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Command
| Function
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C0
| Disable transmitter, receive-only operation.
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C1 | Enable transmitter
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VOICE/DATA SWITCH
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Type:
| Register
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Format:
| AT [cmds] S32=n [cmds]
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Description:
| Controls voice/data switch functions Command Function
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Command
| Function
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S32=0
| All functions disabled
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S32=1
| Voice/data, originate
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S32=2
| Voice/data, answer
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S32=3
| Redial last number
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S32=4
| Dial number from stored position 0
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S32=5
| Auto-answer on/off toggle
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S32=6
| Reset modem
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S32=7
| Remote digital loopback initiated
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S32=8
| Busy out phone line toggle
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S32=9 | Execute command string from &ZC. If there is no command string, the modem acts on S32=1.
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