Card Type	ISDN TA
Chip Set	Unidentified
I/O Options	Power, ISDN interface via RJ-45 connector, 25-pin serial port (2)
ISDN Rate	128Kbps
Maximum Modem Rate	33.6Kbps
Maximum Fax Rate ISDN Modulation Protocol	14.4Kbps V.110, V.120
Data Modulation Protocol	ITU-T V.21, V.22, V.22bis,V.23, V.32, V.32bis, V.34, VFC
Fax Modulation Protocol	V.17, V.29, V.27
Error Correction/Compression	MNP5, V.42, V.42bis
Fax Class	Class I
Data Bus	External

CONNECTIONS
Function	Label		Function		Label
Power		CN1		ISDN interface (RJ-45 connector)		CN4
25-pin serial port 1		CN2		Power switch		SW1
25-pin serial port 2		CN3

USER CONFIGURABLE SETTINGS
Setting	Label	Position
í Transmission channel in high impedence mode	U1	Open
Transmit termination set to 100Ohm	U1	Closed
í Receive channel in high impedence mode	U2	Open
Receive termination set to 100Ohm	U2	Closed

PORT INTERFACE SELECTION
Setting	U13	U14	U15	U16	U17	U18	U19
í V.24/V.28 interface	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
V.35 interface	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3
Note: Pins designated are in the closed position

POWER ON CONFIGURATION
Setting	DS1/1	DS1/2	DS1/3	DS1/4
í Unidentified	Off	Off	Off	Off
Factory configuration 0	Off	Off	On	Off
Factory configuration 1	On	Off	On	Off
Factory configuration 2	Off	On	On	Off
Factory configuration 3	On	On	On	Off
Asynchronous V25bis	Off	Off	Off	On
Synchronous V25bis	Off	Off	On	On

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
PWR	Green	On	Power is on
PWR	Green	Off	Power is off
TST	Red	On	Unit is conducting a test
TST	Red	Blinking	Error detected during self test
TST	Red	Off	Unit not conducting a test
EC	Red	On	Error correction enabled/active
EC	Red	Off	Error correction disabled/inactive
B1	Red	On	B1 channel in use
B1	Red	Off	B1 channel inactive
B1	Red	Blinking	B1 channel busy
B2	Red	On	B2 channel in use
B2	Red	Off	B2 channel inactive
B2	Red	Blinking	B2 channel busy
DSR	Red	On	Terminal Adapter is ready
DSR	Red	Off	Terminal Adapter not ready
DTR	Red	On	Computer is ready
DTR	Red	Off	Computer is not ready
TD	Red	On	Modem is transmitting data
TD	Red	Off	Modem is not transmitting data
CTS	Red	On	CTS signal is high. TA ready to send data
CTS	Red	Off	CTS signal is low
RD	Red	On	Modem is receiving data
RD	Red	Off	Modem is not receiving data
DCD	Red	On	Data carrier present
DCD	Red	Off	Data carrier not present. Connection not established
Note: One set of interface LEDs indicate port 1 activity, the other set indicates port 2 activity.

SUPPORTED COMMAND SET

Basic AT Commands

AT, A/

A, E, Q, V, W

&C, &R, &Z

Extended AT commands

%C, %E, %L

S Registers

S3, S4, S12, S25, S26

V.25bis commands

CIC, CRN, CRS, DIC, PRN

Note: See MHI Help File for full command documentation.