PM1200 modem/telephone/ISDN Settings and Configuration

Card Type	Modem (asynchronous)
Chip Set	Unidentified
Maximum Data Rate	1200bps
Data Bus	8-bit ISA
Data Modulation Protocol	Bell 103/212A ITU-T V.22

USER CONFIGURABLE SETTINGS
Setting	Label	Position
DTR is ignored	SW1/E	On
DTR normal	SW1/E	Off
DCD forced high	SW1/F	On
DCD normal	SW1/F	Off

SERIAL PORT ADDRESS
Setting	IRQ	SW1/A	SW1/B	SW1/C	SW1/D
COM1 (3F8h)	4	On	On	On	Off
íCOM2 (2F8h)	3	Off	On	Off	On
COM3 (3E8h)	4	On	Off	On	Off
COM4 (2E8h)	3	Off	Off	Off	On

MISCELLANEOUS TECHNICAL NOTES

Diagram not available

BIT-MAPPED REGISTER S13
Format:		AT [cmds] S13=n [cmds]
Default:		Unidentified
Range:		0-220
Unit:		Bit-mapped
Description:		Controls parity, data bits, and buffer overflow flag.
Bit	Value	Function
1, 0	00	Not used
2	0 1	Parity disabled Parity enabled
3	0 1	Odd parity Even parity
4	0 1	7 data bits 8 data bits
5	0	Not used
6	0 1	Buffer overflow flag disabled Buffer overflow flag enabled
7	0 1	Space parity Mark parity

BIT-MAPPED REGISTER S14
Format:		AT [cmds] S14=n [cmds]
Default:		Unidentified
Range:		0-174
Unit:		Bit-mapped
Description:		Controls echo, result codes and display, pulse dial make/break ratio, ITU-T/Bell modes, and the long space disconnect function.
Bit	Value	Function
0	í 0	Not used
1	0 í 1	Command echo disabled Command echo enabled
2	í 0 1	Result codes enabled Result codes disabled
3	0 í 1	Display result codes in numeric format Display result codes in verbose format
4	í 0	Not used
5	0 í 1	33/67ms at 10pps (Europe) 39/61ms at 10pps (North America)
6	0 1	ITU/T mode Bell mode
7	í 0 1	Long space disconnect function disabled Long space disconnect function enabled

BIT-MAPPED REGISTER S15
Format:		AT [cmds] S15=n [cmds]
Default:		Unidentified
Range:		0-127
Unit:		Bit-mapped
Description:		Controls baud rate, answer/originate mode, and carrier signal.
Bit	Value	Function
1, 0	00 01 10 11	Unidentified 110bps 300bps 1200bps
2	0 1	Answer mode enabled Answer mode disabled
3	0 1	Originate mode disabled Originate mode enabled
5, 4	00 01 10 11	Unidentified 110bps 300bps 1200bps
6	0 1	Carrier signal disabled Carrier signal enabled

DIAL
Type:	Immediate
Format:	AT [cmds] D<#> [cmds]
Description:	Dials telephone number according to any modifiers included in the string
Note:	Any combination of modifiers can be used to produce the desired dial functions in sequence.
Modifier	Function
P	Pulse dialing enabled
R	Answer mode enabled, originate mode disabled following handshake initiation
T	Tone dialing enabled
,	Dialing paused for amount of time specified in S8 register
/	Dialing paused for 125 millisecond
!	Modem commanded to go off-hook for specified time before returning on-hook
@	Wait for quiet answer
;	Modem returned to command state after dialing

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested
Command	Function
I0	Reports modem model and speed
I1	Reports firmware revision
I2	Tests and reports internal memory test

TEST MODES
Type:	Register
Format:	AT [cmds] S16=n [cmds]
Description:	Controls loopback tests, analog, digital, and DTMF tone tests
í Command	Function
» S16=0	Normal mode
í S16=1	Local analog loopback in progress
í S16=2	DTMF tone test in progress
í S16=4	Digital loopback in progress