IMPACT (3C872, 3C877) modem/telephone/ISDN Settings and Configuration

Card Type	ISDN TA, modem (asynchronous)
I/O Options	Analog adapter (optional)
Chipset	Unidentified
Maximum Data Rate	14.4Kbps
Maximum Fax Rate	14.4Kbps
Fax Class	Unidentified
Data Modulation Protocol	Bell 103A, 212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis
Fax Modulation Protocol	Unidentified
Error Correction/Compression	MNP5, MNP10, V.42, V.42bis, STAC
ISDN Transfer Rate	56Kbps x 2/64Kbps x 2
ISDN Protocol	V.120, PPP
Switch Type	5ESS, DMS100, EWSD, NI-1
Data Bus	Serial

CONNECTIONS
Function	Label		Function		Label
ISDN interface		CN1		Serial port		CN4
Analog adapter		CN2		AC power in		CN5
Serial port		CN3		Power switch		SW1
Note: CN2 may not be present on all models.

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
B2	Green	On	Data call connected on B2 channel
B2	Yellow	On	Voice call connected on B2 channel
B2	Green	Blinking	TA is dialing data call on B2 channel
B2	Yellow	Blinking	TA is dialing voice call on B2 channel
B2	N/A	Off	B2 channel is not connected

DIAGNOSTIC LED(S) (CON'T)
LED	Color	Status	Condition
B1	Green	On	Data call connected on B1 channel
B1	Yellow	On	Voice call connected on B1 channel
B1	Green	Blinking	TA is dialing data call on B1 channel
B1	Yellow	Blinking	TA is dialing voice call on B1 channel
B1	N/A	Off	B1 channel is not connected
D	Yellow	On	Signal is not synchronized or ISDN line is not connected
D	Yellow	Blinking	Signal is synchronized but D-channel protocols not established
D	Yellow	Off	Signal is synchronized
TEST	Yellow	On	TA failed last test
TEST	Yellow	Blinking	TA is executing test
TEST	Yellow	Off	TA is not executing test
POWER	Yellow	On	Power is on
POWER	Yellow	Off	Power is off

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, A/

A, B, E, H, L, M, O, V, X, Z

&D, &F, &G, &V, &W

Extended AT Commands

\A, \B, \G, \L, \N, \Q, \T

%E, %L, %Q

Special AT Commands

*H, -K, -Q

S-Registers

S0

Note: See MHI help file for complete information.

UNIDENTIFIED COMMANDS
Command	Default
S63	Unidentified

CALL TYPE
Type:	Register
Format:	AT [cmds] S61=n [cmds]
Description:	Selects the type of call the TA will make.
Command	Function
í S61=0	TA will dial according to dial modifiers.
S61=2	TA will place ISDN call.
S61=3	TA will place modem call.

DIAL
Type:	Immediate
Format:	AT [cmds] D<#>;[cmds]
Description:	Dials the telephone number indicated according to any modifiers included in the string.
Command	Function
D	Dial number indicated with ISDN adapter.
DP	Dial number indicated in pulse dialing mode with modem.
DT	Dial number indicated in tone dialing mode with modem.

PROTOCOL/SPEED
Type:	Configuration
Format:	AT [cmds] Fn [cmds]
Description:	Selects the protocol and speed the modem will attempt to connect at.
Command	Function
F0	Auto-detect the highest common connect speed.
F1	Select V.21 or Bell 103 at 300bps speed.
F3	Select V.23 at 75/1200bps speed.
F4	Select V.22 or Bell 212A at 1200bps speed.
F5	Select V.22bis at 2400bps speed.
F6	Select V.32 or V.32bis at 4800bps speed.
F7	Select V.32bis at 7200bps speed.
F8	Select V.32bis or V.32 at 9600bps speed.
F9	Select V.32bis at 12Kbps speed.
F10	Select V.32bis at 14.4Kbps speed.