UMC 14.4/VOICE (EXTERNAL) modem/telephone/ISDN Settings and Configuration

Card Type	Modem (synchronous/asynchronous)
Chip Set	UMC
I/O Options	Voice
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.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, V.42, V.42bis

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

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
MR	Red	On	Power is on
MR	Red	Off	Power is off
TR	Red	On	DTR signal is high
TR	Red	Off	DTR signal is low
SD	Red	On	Modem is transmitting data
SD	Red	Off	Modem is not transmitting data
RD	Red	On	Modem is receiving data
RD	Red	Off	Modem is not receiving data
OH	Red	On	Modem is off-hook
OH	Red	Off	Modem is on-hook
CD	Red	On	Carrier signal detected
CD	Red	Off	Carrier signal not detected
AA	Red	On	Auto-answer enabled
AA	Red	Off	Auto-answer disabled
EC	Red	On	Error correction is in progress
EC	Red	Off	Error correction is not in progress

ACCEPT RELIABLE MODE
Type:	Immediate
Format:	AT [cmds] \U [cmds]
Description:	Accepts remote modem’s request for a reliable mode connection

ADAPTIVE HANDSHAKE
Type:	Configuration
Format:	AT [cmds] *Gn [cmds]
Description:	Sets adaptive handshaking
Command		Function
*G0		Adaptive handshake disabled
í *G1		Adaptive handshake enabled

AUTO-RELIABLE FALLBACK CHARACTER
Type:	Configuration
Format:	AT [cmds] %An [cmds]
Default:	Unidentified
Range:	0-127
Unit:	ASCII
Description:	Sets the character used as the auto-reliable fallback character. %A0 will disable this function.

AUTO-RELIABLE TIME BUFFER CONFIGURATION
Type:	Configuration
Format:	AT [cmds] \Cn [cmds]
Description:	Controls the handling of incoming data during auto-reliable time period
Command	Function
í \C0	Data is discarded
\C1	Data is buffered
\C2	Data is discarded, modem returns to normal mode on receiving auto-reliable fallback character.

AUTO-RETRAIN
Type:	Configuration
Format:	AT [cmds] *Tn [cmds]
Description:	Selects auto-retrain mode
Command	Function
*T0	Auto-retrain disabled
í *T1	Auto-retrain enabled

BIT MAPPED REGISTERS
Register	Default
S14	Unidentified
S16	Unidentified
S21	Unidentified
S22	Unidentified
S23	Unidentified
S27	Unidentified

BREAK SEND
Type:	Configuration
Format:	AT [cmds] \Bn [cmds]
Default:	3
Range:	0-9
Unit:	.1 second
Description:	Sends break to modem

BREAK TYPE
Type:	Configuration
Format:	AT [cmds] \Kn [cmds]
Default:	5
Range:	0-5
Unit:	Unidentified
Description:	Configures action of break signal

BUSY TONE FILTER
Type:	Register
Format:	AT [cmds] S96=n [cmds]
Description:	Selects the busy tone filter

COMPRESSION
Type:	Configuration
Format:	AT [cmds] %Cn [cmds]
Description:	Selects MNP5 data compression
Command	Function
%C0	Data compression disabled
í %C1	Data compression enabled

CONNECT MODE
Type:	Configuration
Format:	AT [cmds] \Nn [cmds]
Description:	Sets connect mode
Command	Function
\N0	Normal mode enabled
\N1	Direct mode enabled
\N2	MNP mode only enabled
\N3	MNP/Normal automode enabled
\N4	LAP-M mode only enabled
í \N5	LAP-M/MNP/Normal automode enabled
\N6	LAP-M mode without phase detection enabled
\N7	LAP-M/MNP/Normal automode without phase detection enabled

CONNECTION SPEED
Type:	Configuration
Format	AT [cmds] *Nn [cmds]
Description:	Selects modem connection speed
Command	Function
*N0	Select connection speed at 1200bps speed
*N1	Select connection speed at 2400bps speed
*N2	Select connection speed at 4800bps speed
*N3	Select connection speed at 9600bps speed
*N4	Select connection speed at 7200bps speed
*N5	Select connection speed at 12Kbps speed
í *N6	Select connection speed at 14.4Kbps speed
*N7	Select connection speed at V.23

ENERGY DETECTION THRESHOLD
Type	Register
Format	AT [cmds] S97=n [cmds]
Default	Unidentified
Range	Unidentified
Unit	Unidentified
Description	Enables energy detection threshold

EXTENDED RESULT CODES
Type:	Configuration
Format:	AT [cmds] \Vn [cmds]
Description:	Selects extended result codes
Command	Function
í \V0	Extended result codes disabled
\V1	Extended result codes enabled

FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] \Gn [cmds]
Description:	Selects modem port flow control
Command	Function
í \G0	Flow control disabled
\G1	Flow control enabled

FLOW CONTROL TYPE
Type:	Configuration
Format:	AT [cmds] \Qn [cmds]
Description:	Sets type of flow control used by modem
Command	Function
\Q0	Flow control disabled
\Q1	XON/XOFF flow control enabled
\Q2	CTS flow control to DTE enabled
í \Q3	RTS/CTS flow control enabled

INACTIVITY TIMER
Type:	Configuration
Format:	AT [cmds] \Tn [cmds]
Default:	0
Range:	0-90
Unit:	1 minutes
Description:	Sets the length of time that the modem does not receive information before it disconnects

INITIATE RELIABLE MODE
Type:	Immediate
Format:	AT [cmds] \O [cmds]
Description:	During normal mode the modem initiates a reliable mode connection

LOCK SERIAL PORT
Type:	Configuration
Format:	AT [cmds] \Jn [cmds]
Description:	Sets operation of serial port speed
Command	Function
í \J0	Serial speed locked
\J1	Serial speed follows connect speed

MAXIMUM BLOCK SIZE FOR TRANSMISSION
Type:	Configuration
Format:	AT [cmds] \An [cmds]
Description:	Sets the maximum transmittable block size
Command	Function
\A0	MNP block size is 64 characters
\A1	MNP block size is 128 characters
\A2	MNP block size is 192 characters
í \A3	MNP block size is 256 characters

XON/XOFF PASS-THROUGH
Type:	Configuration
Format:	AT [cmds] \Xn [cmds]
Description:	Selects whether XON/XOFF signals are sent to remote modem
Command	Function
í \X0	XON/XOFF signals trapped by local modem
\X1	XON/XOFF passed through local modem