LAPTALK PLUS 14.4K modem/telephone/ISDN Settings and Configuration

OSITECH COMMUNICATIONS, INC.

LAPTALK PLUS 14.4K

Modem Type	Data (synchronous/asynchronous)/Fax
Maximum Data Rate	14.4Kbps
Maximum Fax Rate	14.4Kbps
Data Bus	Compaq portable bus
Fax Class	Class I & II
Data Modulation Protocol	Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis
Fax Modulation Protocol	ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression	MNP5, MNP10, V.42, V.42bis

CONNECTIONS
Purpose
Location
Purpose
Location
Line in
CN1
Compaq portable bus
CN3
Daughterboard connector for network
CN2

Proprietary AT Command Set

BIT-MAPPED REGISTERS
Register
Default
S14
138
S16
0
S21
4
S22
118
S23
55
S27
9
S28
0
S31
194
S39
3
S40
107
S41
03

BREAK SEND
Type:
Configuration
Format:
AT [cmds] \Bn [cmds]
Example:
AT \B3 &W<CR>
Default:
3
Range:
0-9
Unit:
.1 second
Description:
Sends break to modem.

BREAK TYPE
Type:
Configuration
Format:
AT [cmds] \Kn [cmds]
Example:
AT \K1 <CR>
Description:
Configures action of break signal.
Command
Break from DTE
Break from DTE while in command mode
Break from remote modem
í \K0
Enter command mode, do not send break to remote modem.
Buffers cleared and break sent to remote modem.
Buffers cleared and break sent to DTE.
í \K1
Buffers cleared and break sent to remote modem.
Buffers cleared and break sent to remote modem.
Buffers cleared and break sent to DTE.
í \K2
Enter command mode, do not send break to remote modem.
Send break to remote modem immediately.
Send break to DTE immediately.
í \K3
Send break to remote modem immediately.
Send break to remote modem immediately.
Send break to DTE immediately.
í \K4
Enter command mode, do not send break to remote modem.
Send break to remote modem with transmitted data.
Send break to remote modem with transmitted data.
» \K5
Send break with transmitted data.
Send break to remote modem with transmitted data.
Send break to remote modem with transmitted data.

COMPRESSION
Type:
Configuration
Format:
AT %Cn
Example:
AT %C1 &B0<CR>
Description:
Selects data compression.
í Command
Function
í %C0
Data compression disabled.
í %C1
MNP5 enabled.
í %C2
V.42bis enabled.
» %C3
MNP5 and V.42bis enabled.

CONNECT MODE
Type:
Configuration
Format:
AT [cmds] \Nn [cmds]
Example:
AT \N1 DT555-1212<CR>
Description:
Sets connect mode.
í Command
Function
í \N0
Normal mode enabled.
í \N1
Direct mode enabled.
í \N2
Reliable mode enabled.
» \N3
Auto-reliable mode enabled.
í \N4
LAPM mode enabled.
í \N5
MNP mode enabled.

FALL FORWARD/ADJUST TRANSMIT LEVEL
Type:
Configuration
Format:
AT [cmds] -Un [cmds]
Example:
AT -U1 &W<CR>
Description:
Forces a fall forward and change in transmit level during fall forward
í Command
Function
-U0
Automatic attenuation to -10dBm
-U1
Automatic attenuation down to -18dBm
-U2
Automatic attenuation down to22dBm
-U3
automatic attenuation down to -25dBm
-U4
At 2400bps, force transmit level to -10 dBm
-U5
At 2400bps, force transmit level to -18 dBm
-U6
At 2400bps, force transmit level to -22 dBm
-U7
At 2400bps, force transmit level to -25 dBm

FALLBACK
Type:
Immediate
Format:
AT [cmds] -B [cmds]
Example:
AT -B &W<CR>
Description:
Forces fallback to 1200bps at -10dBm

FLOW CONTROL CHARACTER - XOFF
Type:
Register
Format:
AT [cmds] S33=n [cmds]
Example:
ATS33=20<CR>
Default:
19
Range:
0-255
Unit:
ASCII
Description:
Sets the character used to represent XOFF.

FLOW CONTROL CHARACTER - XON
Type:
Register
Format:
AT [cmds] S32=n [cmds]
Example:
ATS32=20<CR>
Default:
17
Range:
0-255
Unit:
ASCII
Description:
Sets the character used to represent XON.

LEASED LINE TRANSMISSION LEVEL
Type:
Configuration
Format:
AT [cmds] S99=n [cmds]
Example:
AT S99=8<CR>
Default:
10
Range:
0 to 15
Unit:
-1 dBm
Description:
Sets the signal level for transmission when in leased-line mode.

LINE SIGNAL LEVEL
Type:
Immediate
Format:
AT [cmds] %L [cmds]
Example:
AT %L &W<CR>
Range:
9-43
Unit:
-1dB
Description:
Returns received line signal level.

MNP10 COMPRESSION
Type:
Configuration
Format:
AT [cmds] -Kn [cmds]
Example:
AT %C1 -K1 <CR>
Description:
Selects MNP10 data compression.
í Command
Function
í -K0
MNP10 disabled.
» -K1
MNP10 enabled.

MNP10 LINK NEGOTIATION
Type:
Configuration
Format:
AT [cmds] *Hn [cmds]
Example:
AT *H0 -Q1 <CR>
Description:
Sets the speed at which MNP10 link negotiation will occur.
í Command
Function
» *H0
Link will be negotiated at highest possible speed.
í *H1
Link will be negotiated at 1200bps.

MNP10 POWER LEVEL ADJUST
Type:
Configuration
Format:
AT [cmds] )Mn [cmds]
Example:
AT )M1 %C1<CR>
Description:
Controls automatic transmit power level adjustment during MNP 10 link negotiation.
í Command
Function
» )M0
Power level adjustment disabled.
í )M1
Power level adjustment enabled.

PROTOCOL/SPEED
Format
AT [cmds] S37=n [cmds]
Example:
ATS37=11<CR>
Default:
0
Range:
0-21
Unit:
Bit-mapped.
Description:
Selects protocol and line speed.
í Command
Function
» S37=0
Auto-select fastest common protocol.
S37=1
Connect at 300bps
S37=2
Connect at 300bps
S37=3
Connect at 300bps.
S37=4
Not used.
S37=5
Connect at 1200bps V.22.
S37=6
Connect at 2400bps.V.22bis
S37=7
Connect at 75/1200bps.V.32
S37=8
Connect at 4800bps V.32bis/V.32.
S37=9
Connect at 9600bps V.32bis/V.32
S37=10
Connect at 12Kbps V.32bis
S37=11
Connect at 14.4Kbps V.32bis
S37=12
Connect at V.32bis 7200bps

REPORT SIGNAL QUALITY
Type:
Configuration
Format:
AT [cmds] %Q [cmds]
Example:
AT %Q &W<CR>
Description:
Reports signal quality.

SLEEP TIMER
Format
AT [cmds] S24=n [cmds]
Example:
ATS24=40<CR>
Default:
1
Range:
0 - 255
Unit:
10 second
Description:
Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode.

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CONNECTIONS
Purpose	Location	Purpose	Location
Line in	CN1	Compaq portable bus	CN3
Daughterboard connector for network	CN2

BIT-MAPPED REGISTERS
Register	Default
S14	138
S16	0
S21	4
S22	118
S23	55
S27	9
S28	0
S31	194
S39	3
S40	107
S41	03

BREAK SEND
Type:	Configuration
Format:	AT [cmds] \Bn [cmds]
Example:	AT \B3 &W<CR>
Default:	3
Range:	0-9
Unit:	.1 second
Description:	Sends break to modem.

BREAK TYPE
Type:		Configuration
Format:		AT [cmds] \Kn [cmds]
Example:		AT \K1 <CR>
Description:		Configures action of break signal.
Command	Break from DTE		Break from DTE while in command mode	Break from remote modem
í \K0	Enter command mode, do not send break to remote modem.		Buffers cleared and break sent to remote modem.	Buffers cleared and break sent to DTE.
í \K1	Buffers cleared and break sent to remote modem.		Buffers cleared and break sent to remote modem.	Buffers cleared and break sent to DTE.
í \K2	Enter command mode, do not send break to remote modem.		Send break to remote modem immediately.	Send break to DTE immediately.
í \K3	Send break to remote modem immediately.		Send break to remote modem immediately.	Send break to DTE immediately.
í \K4	Enter command mode, do not send break to remote modem.		Send break to remote modem with transmitted data.	Send break to remote modem with transmitted data.
» \K5	Send break with transmitted data.		Send break to remote modem with transmitted data.	Send break to remote modem with transmitted data.

COMPRESSION
Type:	Configuration
Format:	AT %Cn
Example:	AT %C1 &B0<CR>
Description:	Selects data compression.
í Command	Function
í %C0	Data compression disabled.
í %C1	MNP5 enabled.
í %C2	V.42bis enabled.
» %C3	MNP5 and V.42bis enabled.

CONNECT MODE
Type:	Configuration
Format:	AT [cmds] \Nn [cmds]
Example:	AT \N1 DT555-1212<CR>
Description:	Sets connect mode.
í Command	Function
í \N0	Normal mode enabled.
í \N1	Direct mode enabled.
í \N2	Reliable mode enabled.
» \N3	Auto-reliable mode enabled.
í \N4	LAPM mode enabled.
í \N5	MNP mode enabled.

FALL FORWARD/ADJUST TRANSMIT LEVEL
Type:	Configuration
Format:	AT [cmds] -Un [cmds]
Example:	AT -U1 &W<CR>
Description:	Forces a fall forward and change in transmit level during fall forward
í Command	Function
-U0	Automatic attenuation to -10dBm
-U1	Automatic attenuation down to -18dBm
-U2	Automatic attenuation down to22dBm
-U3	automatic attenuation down to -25dBm
-U4	At 2400bps, force transmit level to -10 dBm
-U5	At 2400bps, force transmit level to -18 dBm
-U6	At 2400bps, force transmit level to -22 dBm
-U7	At 2400bps, force transmit level to -25 dBm

FALLBACK
Type:	Immediate
Format:	AT [cmds] -B [cmds]
Example:	AT -B &W<CR>
Description:	Forces fallback to 1200bps at -10dBm

FLOW CONTROL CHARACTER - XOFF
Type:	Register
Format:	AT [cmds] S33=n [cmds]
Example:	ATS33=20<CR>
Default:	19
Range:	0-255
Unit:	ASCII
Description:	Sets the character used to represent XOFF.

FLOW CONTROL CHARACTER - XON
Type:	Register
Format:	AT [cmds] S32=n [cmds]
Example:	ATS32=20<CR>
Default:	17
Range:	0-255
Unit:	ASCII
Description:	Sets the character used to represent XON.

LEASED LINE TRANSMISSION LEVEL
Type:	Configuration
Format:	AT [cmds] S99=n [cmds]
Example:	AT S99=8<CR>
Default:	10
Range:	0 to 15
Unit:	-1 dBm
Description:	Sets the signal level for transmission when in leased-line mode.

LINE SIGNAL LEVEL
Type:	Immediate
Format:	AT [cmds] %L [cmds]
Example:	AT %L &W<CR>
Range:	9-43
Unit:	-1dB
Description:	Returns received line signal level.

MNP10 COMPRESSION
Type:	Configuration
Format:	AT [cmds] -Kn [cmds]
Example:	AT %C1 -K1 <CR>
Description:	Selects MNP10 data compression.
í Command	Function
í -K0	MNP10 disabled.
» -K1	MNP10 enabled.

MNP10 LINK NEGOTIATION
Type:	Configuration
Format:	AT [cmds] *Hn [cmds]
Example:	AT *H0 -Q1 <CR>
Description:	Sets the speed at which MNP10 link negotiation will occur.
í Command	Function
» *H0	Link will be negotiated at highest possible speed.
í *H1	Link will be negotiated at 1200bps.

MNP10 POWER LEVEL ADJUST
Type:	Configuration
Format:	AT [cmds] )Mn [cmds]
Example:	AT )M1 %C1<CR>
Description:	Controls automatic transmit power level adjustment during MNP 10 link negotiation.
í Command	Function
» )M0	Power level adjustment disabled.
í )M1	Power level adjustment enabled.

PROTOCOL/SPEED
Format	AT [cmds] S37=n [cmds]
Example:	ATS37=11<CR>
Default:	0
Range:	0-21
Unit:	Bit-mapped.
Description:	Selects protocol and line speed.
í Command	Function
» S37=0	Auto-select fastest common protocol.
S37=1	Connect at 300bps
S37=2	Connect at 300bps
S37=3	Connect at 300bps.
S37=4	Not used.
S37=5	Connect at 1200bps V.22.
S37=6	Connect at 2400bps.V.22bis
S37=7	Connect at 75/1200bps.V.32
S37=8	Connect at 4800bps V.32bis/V.32.
S37=9	Connect at 9600bps V.32bis/V.32
S37=10	Connect at 12Kbps V.32bis
S37=11	Connect at 14.4Kbps V.32bis
S37=12	Connect at V.32bis 7200bps

REPORT SIGNAL QUALITY
Type:	Configuration
Format:	AT [cmds] %Q [cmds]
Example:	AT %Q &W<CR>
Description:	Reports signal quality.

SLEEP TIMER
Format	AT [cmds] S24=n [cmds]
Example:	ATS24=40<CR>
Default:	1
Range:	0 - 255
Unit:	10 second
Description:	Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode.