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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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STATUS-REGISTER
Type: Configuration
Format: Read: AT [cmds] Sn? [cmds]
Write: AT [cmds] Sn=x [cmds]
Description: Writes to or reads from a specified register. Valid values 0-255
Command Function
Sn.b=x Write to register bit b using values 0 (off) and 1 (on) for x

STORE ACTIVE PROFILE
Type: Configuration
Format: AT [cmds] &Wn [cmds]
Description: Writes the values for the active profile into the non-volatile RAM templates
Command Function
&W0 Write the active profile to stored template 0
&W1 Write the active profile to stored template 1

STORE COMMAND STRING
Type: Configuration
Format: AT [cmds] &ZCn=(command string)
Description: Writes selected command string into the non-volatile memory at location n (n=0-9)
Command Function
&ZC=n Writes command string into the non-volatile memory at location n
&ZC? Displays stored command string

STORE DIAL STRING
Type: Configuration
Format: AT [cmds] &Zn=(phone # & modifiers)
Description: Writes selected dial string into the non-volatile memory at location n (n=0-9)
Note: The characters described in the D command are valid for use in the &Z command.
Command Function
&Zn? Displays phone number from non-volatile memory at location n

TEST MODES
Type: Configuration
Format: AT [cmds] &Tn [cmds]
Description: Controls loopback tests: analog, digital, remote digital, and self tests.
Command Function
&T0 Testing disabled
&T1 Local analog loopback enabled
&T3 Local digital loopback enabled
&T4 Remote digital loopback enabled
&T5 Remote digital loopback prohibited
&T6 Remote digital loopback initiated
&T7 Remote digital loopback w/ self-test and error detector in progress
&T8 Local analog loopback w/ self-test and error detector in progress

TEST MODES
Type: Register
Format: AT [cmds] S16=n [cmds]
Default: 0
Range: 0-15
Description: Controls tests, analog loopback, dial, test pattern and remote digital loopback.
Bit Value Function
0 0Local analog loopback disabled
1 Local analog loopback enabled
1 0Dial test disabled
1 Dial test enabled
2 0Test pattern disabled
1 Test pattern enabled
3 0Remote digital loopback disabled
1 Remote digital loopback enabled

TEST TIMER
Type: Register Format AT [cmds] S18=n [cmds]
Default: 0
Range: 0-255
Unit: 1 second
Description: Sets the maximum duration for modem tests
Note: S18=0 disables the timer and allows an indefinite duration.

TIME DISPLAY
Type: Immediate
Format: AT [cmds] Kn [cmds]
Description: Displays the current call time or clock time
Command Function
K0 Display length of last call, if off-line; duration of call while on-line.
K1 Display actual time (HH:MM:SS)

TRANSMITTER
Type: Configuration
Format: AT [cmds] Cn [cmds]
Description: Controls the transmitter.
Command Function
     C0 Disable transmitter, receive-only operation.
C1Enable transmitter

VOICE/DATA SWITCH
Type: Register
Format: AT [cmds] S32=n [cmds]
Description: Controls voice/data switch functions Command Function
Command Function
     S32=0 All functions disabled
     S32=1 Voice/data, originate
     S32=2 Voice/data, answer
     S32=3 Redial last number
     S32=4 Dial number from stored position 0
     S32=5 Auto-answer on/off toggle
     S32=6 Reset modem
     S32=7 Remote digital loopback initiated
     S32=8 Busy out phone line toggle
S32=9Execute command string from &ZC. If there is no command string, the modem acts on S32=1.


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