GM144E modem/telephone/ISDN Settings and Configuration

MAXTECH CORPORATION

GM144E

Modem Type	Data (synchronous/asynchronous)/Fax
Maximum Data Rate	14.4Kbps
Maximum Fax Rate	14.4Kbps
Data Bus	External
Fax Class	Class I & II
Data Modulation Protocol	Bell 103A/212A ITU-T V.22, V.22bis, V.32, V.32bis
Fax Modulation Protocol	ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression	MNP 5, V.42, V.42bis

CONNECTIONS
Purpose
Location
Purpose
Location
Line out
CN1
DC power
CN4
Line in
CN2
Power switch
SW1
RS-232/422
CN3

DIAGNOSTIC LED(S)
LED
Color
Status
Condition
TST
Red
On
Normal operation
TST
Red
Flash
Modem has detected and corrected error
HS
Red
On
Modem is operating at 4800bps or faster
HS
Red
Off
Modem is operating at slower than 4800bps
AA
Red
On
Auto-answer enabled
AA
Red
Off
Auto-answer disabled
AA
Red
Blinking
Phone is ringing
CD
Red
On
Carrier signal detected
CD
Red
Off
Carrier signal not detected
OH
Red
On
Modem is off-hook
OH
Red
Off
Modem is on-hook
RD
Red
On
Modem is receiving data
RD
Red
Off
Modem is not receiving data
SD
Red
On
Modem is transmitting data
SD
Red
Off
Modem is not transmitting data
TR
Red
On
DTR signal is high
TR
Red
Off
DTR signal is low
MR
Red
On
Power is on
MR
Red
Off
Power is off

Proprietary AT Command Set

AUTO-RELIABLE TIME BUFFER CONFIGURATION
Type:
Configuration
Format:
AT [cmds] $An [cmds]
Example:
AT $A1 &W<CR>
Description:
Controls the handling of incoming data during auto-reliable time period.
í Command
Function
» $A0
Data is discarded.
í $A1
Data is buffered.

CALLBACK ATTEMPTS
Type:
Register
Format:
AT [cmds] S16=n [cmds]
Example:
ATS16=6<CR>
Default:
4
Range:
1-255
Unit:
1 attempt
Description:
Sets the maximum number of login attempts after initial callback connection.

FAILED PASSWORD ATTEMPTS
Type:
Register
Format:
AT [cmds] S26?
Example:
ATS26?<CR>
Default:
Read-only
Range:
0-255
Unit:
1 attempt
Description:
This register stores the number of failed password attempts.

DISTINCTIVE RING
Format
AT [cmds] S101=n [cmds]
Example:
ATS101=40<CR>
Default:
0
Range:
0 - 255
Unit:
Bit-mapped
Description:

Bit
í Value
Function
0
» 0
í 1
Do not respond to ring type A.
Respond to ring type A.
1
í 0
Not used.
2
» 0
í 1
Do not respond to ring type C.
Respond to ring type C.
3
» 0
í 1
Do not respond to ring type D.
Respond to ring type D.
4
» 0
í 1
Do not respond to ring type E.
Respond to ring type E.
5
í 0
Not used.
6
» 0
í 1
Do not respond to ring type G.
Respond to ring type G.
7
» 0
í 1
Report RING for all ring types.
Report RING n where n is the ring type.

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CONNECTIONS
Purpose	Location	Purpose	Location
Line out	CN1	DC power	CN4
Line in	CN2	Power switch	SW1
RS-232/422	CN3

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
TST	Red	On	Normal operation
TST	Red	Flash	Modem has detected and corrected error
HS	Red	On	Modem is operating at 4800bps or faster
HS	Red	Off	Modem is operating at slower than 4800bps
AA	Red	On	Auto-answer enabled
AA	Red	Off	Auto-answer disabled
AA	Red	Blinking	Phone is ringing
CD	Red	On	Carrier signal detected
CD	Red	Off	Carrier signal not detected
OH	Red	On	Modem is off-hook
OH	Red	Off	Modem is on-hook
RD	Red	On	Modem is receiving data
RD	Red	Off	Modem is not receiving data
SD	Red	On	Modem is transmitting data
SD	Red	Off	Modem is not transmitting data
TR	Red	On	DTR signal is high
TR	Red	Off	DTR signal is low
MR	Red	On	Power is on
MR	Red	Off	Power is off

AUTO-RELIABLE TIME BUFFER CONFIGURATION
Type:	Configuration
Format:	AT [cmds] $An [cmds]
Example:	AT $A1 &W<CR>
Description:	Controls the handling of incoming data during auto-reliable time period.
í Command	Function
» $A0	Data is discarded.
í $A1	Data is buffered.

CALLBACK ATTEMPTS
Type:	Register
Format:	AT [cmds] S16=n [cmds]
Example:	ATS16=6<CR>
Default:	4
Range:	1-255
Unit:	1 attempt
Description:	Sets the maximum number of login attempts after initial callback connection.

FAILED PASSWORD ATTEMPTS
Type:	Register
Format:	AT [cmds] S26?
Example:	ATS26?<CR>
Default:	Read-only
Range:	0-255
Unit:	1 attempt
Description:	This register stores the number of failed password attempts.

DISTINCTIVE RING
Format		AT [cmds] S101=n [cmds]
Example:		ATS101=40<CR>
Default:		0
Range:		0 - 255
Unit:		Bit-mapped
Description:
Bit	í Value		Function
0	» 0 í 1		Do not respond to ring type A. Respond to ring type A.
1	í 0		Not used.
2	» 0 í 1		Do not respond to ring type C. Respond to ring type C.
3	» 0 í 1		Do not respond to ring type D. Respond to ring type D.
4	» 0 í 1		Do not respond to ring type E. Respond to ring type E.
5	í 0		Not used.
6	» 0 í 1		Do not respond to ring type G. Respond to ring type G.
7	» 0 í 1		Report RING for all ring types. Report RING n where n is the ring type.