Card Type	ISDN TA
Chipset	Siemens
ISDN Protocol	V.110, V.120, X.75, PPP
Switch Type	5ESS, DMS100, 1TR6, EWSD, DSS1, NI-1
Transfer Rate	64Kbps x 2
Data Bus	Serial
Error Correction/Compression	V.42bis

CONNECTIONS
Function	Label	Function	Label
Analog line 1 in	CN1	Serial port 1	CN5
Analog line 2 in	CN2	DC power in	CN6
ISDN line out	CN3	Power switch	SW1
Serial port 2	CN4	Auto-dial switch	SW2
Note: Pressing the auto-dial switch while connected will disconnect the call.

DIAGNOSTIC LED(S) (POWER-UP)
LED	Color	Status	Condition
LNK	Unidentified	On	TA is testing memory
LNK	Unidentified	Blinking	Memory test failed
B1	Unidentified	On	TA is testing ISDN controller interface
B1	Unidentified	Blinking	ISDN controller interface test failed
B2	Unidentified	On	TA is testing ISDN controller functions
B2	Unidentified	Blinking	ISDN controller function test failed
AA	Unidentified	On	TA is testing HDLC functions
AA	Unidentified	Blinking	HDLC function test failed
LNK	Unidentified	On	All tests passed
Note: On power-up, the LEDs should indicate the tests in progress in the order indicated above. A blinking LED or any pattern other than the ones shown above indicate an error. The final indication should remain lit for one-half of one second.

DIAGNOSTIC LED(S) (NORMAL OPERATION)
LED	Color	Status	Condition
PWR	Unidentified	On	Power is on
PWR	Unidentified	Off	Power is off
LNK	Unidentified	On	Physical ISDN layer active
LNK	Unidentified	Off	Physical ISDN layer inactive
LNK	Unidentified	Blinking	D-channel link layer in multi-frame mode
B1	Unidentified	On	B1 channel connected
B1	Unidentified	Off	B1 channel not connected
B1	Unidentified	Random blink	B1 channel is retransmitting packets
B1	Unidentified	1 blink	B1 channel is protected by single DES mode encryption
B1	Unidentified	3 blinks	B1 channel is protected by triple DES mode encryption
B2	Unidentified	On	B2 channel connected
B2	Unidentified	Off	B2 channel not connected
B2	Unidentified	Random blink	B2 channel is retransmitting packets
B2	Unidentified	1 blink	B2 channel is protected by single DES mode encryption
B2	Unidentified	3 blinks	B2 channel is protected by triple DES mode encryption
AA	Unidentified	On	Auto-answer enabled
AA	Unidentified	Off	Auto-answer disabled
AA	Unidentified	Blinking	Phone is ringing
DTR1	Unidentified	On	DTR signal of serial port 1 is high
DTR1	Unidentified	Off	DTR signal of serial port 1 is low
TX1	Unidentified	Blinking	Serial port 1 is transmitting data to TA
TX1	Unidentified	Off	Serial port 1 is not transmitting data to TA
RX1	Unidentified	Blinking	Serial port 1 is receiving data from TA
RX1	Unidentified	Off	Serial port 1 is not receiving data from TA

DIAGNOSTIC LED(S) (NORMAL OPERATION, CON’T)
LED	Color	Status	Condition
DTR2	Unidentified	On	DTR signal of serial port 2 is high
DTR2	Unidentified	Off	DTR signal of serial port 2 is low
TX2	Unidentified	Blinking	Serial port 2 is transmitting data to TA
TX2	Unidentified	Off	Serial port 2 is not transmitting data to TA
RX2	Unidentified	Blinking	Serial port 2 is receiving data from TA
RX2	Unidentified	Off	Serial port 2 is not receiving data from TA
1	Unidentified	On	Analog line 1 is off-hook
1	Unidentified	Off	Analog line 1 is on-hook
2	Unidentified	On	Analog line 2 is off-hook
2	Unidentified	Off	Analog line 2 is on-hook

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

A, E, L, M, O, Q, V, X, Z

&C, &D, &F, &H, &S, &W, &Z

S-Registers

S0, S1, S2, S3, S4, S5, S7, S8, S16, S21, S23, S25, S31, S32

Note: See MHI documentation for complete information.

AUTO-CALLBACK
Type:	Configuration
Format:	AT [cmds] *GCn [cmds]
Description:	Selects the auto-callback feature. The modem will compare the caller ID information to the five auto-callback numbers stored with the *HC command. If one of them matches, the modem will reject the call before it connects and call that number back.
Command		Function
í *GC0		Auto-callback disabled.
*GC1		Auto-callback enabled.

AUTO-CALLBACK NUMBER DISPLAY
Type:	Immediate
Format:	AT [cmds] *VC [cmds]
Description:	Displays all auto-callback numbers.

AUTO-CALLBACK NUMBER SET
Type:	Configuration
Format:	AT [cmds] *HCn=<#>
Description:	Sets auto-callback number n to the number specified. n must be between 0 and 4.

BIT-MAPPED REGISTER S24
Format		AT [cmds] S24=n [cmds]
Default:		Unidentified
Range:		0-63
Description:		Controls ring volume, speaker volume, and speaker control for analog line DTMF tone generation.
Bit	Value	Function
1,0	00 01 10 11	Ring volume off. Ring volume low. Ring volume medium. Ring volume high.
2	0 1	DTMF tones from analog line 1 follow setting of M command. DTMF tones from analog line 1 audible regardless of setting of M command.
3	0 1	DTMF tones from analog line 2 follow setting of M command. DTMF tones from analog line 2 audible regardless of setting of M command.
5,4	00 01 10 11	Speaker volume off. Speaker volume low. Speaker volume medium. Speaker volume high.

BIT-MAPPED REGISTER S118
Format:		AT [cmds] S118=n [cmds]
Default:		Unidentified
Range:		0 - 245
Description:		Controls dial-in mode, default line speed, low-speed service type, and analog call acceptance.
Bit	Value	Function
0	0 1	Dial-in calls may be answered. Dial-in calls may not be answered.
1	0	Not used.
2	0 1	Use 64Kbps speed for ISDN. Use 56Kbps speed for ISDN.
3	0	Not used.
4	í 0 1	Use 3.1KHz service for analog line 2. Use voice service for analog line 2.
5	í 0 1	Use 3.1KHz service for analog line 1. Use voice service for analog line 1.
6	í 0 1	All analog calls will be answered. Only analog calls with matching MSN will be answered.
7	í 0 1	Incoming analog calls will be answered. Incoming analog calls will be ignored.

CONFIGURATION PROFILES
Type:	Immediate
Format:	AT [cmds] &Vn [cmds]
Description:	Displays active and stored configuration profiles.
Command	Function
&V0	Displays current settings.
&V1	Displays profile 0.
&V2	Displays profile 1.
&V3	Displays profile 2.
&V4	Displays profile 3.
&V5	Displays factory defaults.
&V6	Displays analog line 1 settings.
&V7	Displays analog line 2 settings.

HOOK CONTROL
Type:	Immediate
Format:	AT [cmds] Hn [cmds]
Description:	Hangs up ISDN and analog lines.
Command		Function
H0		Hangs up line currently in use.
H3		Hangs up analog line 1.
H4		Hangs up analog line 2.

I-FIELD DATA LENGTH
Type:	Register
Format:	AT [cmds] S114=n S115=n [cmds]
Default:	Unidentified
Range:	0-65535
Unit:	N/A
Description:	These registers set the data length for the I-field. S114 stores the Most Significant Byte, and S115 stores the Least Significant Byte. To set the correct value for S114, use the formula S114 = INT(value/256). To set S115, use the formula S115 = value - S114 * 256.

LOCAL SERIAL PORT SPEED
Type:	Register
Format:	AT [cmds] S20=n [cmds]
Description:	Sets the speed of the local serial port.
Command	Function
S20=0	Sets 921.6Kbps speed.
S20=1	Sets 460.8Kbps speed.
S20=2	Sets 230.4Kbps speed.
í S20=3	Sets 115.2Kbps speed.
S20=8	Sets 57.6Kbps speed.
S20=9	Sets 38.4Kbps speed.
S20=10	Sets 19.2Kbps speed.
S20=11	Sets 9600bps speed.
S20=12	Sets 4800bps speed.
S20=13	Sets 2400bps speed.
S20=14	Sets 1200bps speed.

LOCAL SERIAL PORT SPEED ON AUTO-ANSWER
Type:	Register
Format:	AT [cmds] S18=n [cmds]
Description:	Sets serial port speed when modem auto-answers an incoming call.
Command	Function
í 0	Auto-detect current speed.
1	Sets 921.6Kbps speed.
2	Sets 460.8Kbps speed.
3	Sets 230.4Kbps speed.
4	Sets 115.2Kbps speed.
9	Sets 57.6Kbps speed.
10	Sets 38.4Kbps speed.
11	Sets 19.2Kbps speed.
12	Sets 9600bps speed.
13	Sets 4800bps speed.
14	Sets 2400bps speed.
15	Sets 1200bps speed.

METERING PULSE
Format		AT [cmds] S89=n [cmds]
Default:		Unidentified
Range:		0-96
Description:		Controls the generation of metering pulses on the analog adapters.
Bit	Value	Function
5	0 1	Metering pulse for analog line 1 disabled. Metering pulse for analog line 1 enabled.
6	0 1	Metering pulse for analog line 2 disabled. Metering pulse for analog line 2 enabled.

PORT ASSIGNMENTS
Type:	Configuration
Format:	AT [cmds] S125=n [cmds]
Description:	Selects which ports may be in use.
Command		Function
í S125=0		Serial port 2 disabled; analog port 2 enabled.
S125=1		Serial port 2 enabled; analog port 2 disabled.

PPP IDLE OUT PREVENTION
Type:	Register
Format:	AT [cmds] S124=n [cmds]
Default:	0
Range:	0-255
Unit:	1 second
Description:	Sends an empty packet after being idle for the time specified to avoid disconnection on PPP connections.

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Returns requested information about the TA.
Command		Function
I0		Displays product code.
I1		Displays product information and ROM checksum.
I9		Displays Plug-N-Play code.

SERIAL PORT 2 DATA FORMAT
Type:	Configuration
Format:	AT [cmds] *Nn [cmds]
Description:	Sets the parity used for the second serial port.
Command		Function
*N0		8 data bits, no parity, 1 stop bit.
*N1		7 data bits, even parity, 1 stop bit.
*N2		7 data bits, odd parity, 1 stop bit.

SERIAL PORT 2 DATA FORMAT
Type:	Configuration
Format:	AT [cmds] S46=n [cmds]
Description:	Sets the parity used for the second serial port.
Command		Function
S46=0		8 data bits, no parity, 1 stop bit.
S46=1		7 data bits, even parity, 1 stop bit.
S46=2		7 data bits, odd parity, 1 stop bit.

SERIAL PORT 2 FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] *Mn [cmds]
Description:	Selects the flow control used on the second serial port.
Command		Function
*M0		Flow control disabled.
*M1		RTS/CTS flow control enabled.
*M2		XON/XOFF flow control enabled.

SERIAL PORT 2 FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] S45=n [cmds]
Description:	Selects the flow control used on the second serial port.
Command		Function
S45=0		Flow control disabled.
S45=1		RTS/CTS flow control enabled.
S45=2		XON/XOFF flow control enabled.

SERIAL PORT 2 SPEED
Type:	Configuration
Format:	AT [cmds] *An [cmds]
Description:	Sets the speed of the second serial port.
Note:	This command may only be issued through port 1.
Command		Function
í *A1		Set serial port speed to 115.2Kbps.
*A2		Set serial port speed to 76.8Kbps.
*A3		Set serial port speed to 57.6Kbps.
*A4		Set serial port speed to 38.4Kbps.
*A5		Set serial port speed to 19.2Kbps.
*A6		Set serial port speed to 9600bps.
*A7		Set serial port speed to 2400bps.

SERIAL PORT 2 SPEED
Type:	Configuration
Format:	AT [cmds] S43=n [cmds]
Description:	Sets the speed of the second serial port.
Command		Function
S43=0		Set serial port speed to 230.4Kbps.
í S43=1		Set serial port speed to 115.2Kbps.
S43=2		Set serial port speed to 76.8Kbps.
S43=3		Set serial port speed to 57.6Kbps.
S43=4		Set serial port speed to 38.4Kbps.
S43=5		Set serial port speed to 19.2Kbps.
S43=6		Set serial port speed to 9600bps.
S43=7		Set serial port speed to 2400bps.

MISCELLANEOUS TECHNICAL NOTES

When the referenced document refers to "A/B adapter", these commands apply to analog line 1. When it refers to "fax/data modem", they apply to analog line 2.