Card Type	ISDN TA
Chipset	Unidentified
Error Correction/Compression	Unidentified
I/O Options	ISDN line in, ISDN line out, 25-pin serial port, RJ-45 serial port, power, RJ-11 line out (2)
ISDN Transfer Rate	64Kbps x 2
ISDN Protocol	V.120, PPP, X.25
Switch Type	5ESS, DMS-100, Siemens
Data Bus	External

CONNECTIONS
Function	Label	Function	Label
RJ-45 ISDN interface	CN1	Power connector	CN5
S/T interface	CN2	RJ-11 analog phone interface - line 1	CN6
Serial port 1 (25-pin connector)	CN3	RJ-11 analog phone interface - line 2	CN7
Serial port 2 (RJ-45 interface)	CN4
Note: RJ-11 lines 1 & 2 share B-channel 1. RJ-11 lines 3 & 4 are assigned to B-channel 2.

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’

A, E, F, V

Note: See MHI Help File for full command documentation.

HOOK CONTROL
Type:	Immediate
Format:	AT [cmds] H
Description:	Modem hangs up

ON-LINE
Type:	Immediate
Format:	AT [cmds] O
Description:	Reestablishes data transfer mode

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] I
Description:	Displays firmware version and data

X.23 COMMANDS
Type:	Immediate
Format:	<CR> <CR> [cmds]
Description:	Configures serial port for X.28

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
T1	Unidentified	On	Data is being transmitted to serial port 1
T1	Unidentified	Off	Data is not being transmitted to serial port 1
T2	Unidentified	On	Data is being transmitted to serial port 2
T2	Unidentified	Off	Data is not being transmitted to serial port 2
R1	Unidentified	On	Data is being received from serial port 1
R1	Unidentified	Off	Data is not being received from serial port 1
R2	Unidentified	On	Data is being received from serial port 2
R2	Unidentified	Off	Data is not being received from serial port 2
L1	Unidentified	On	Analog phone equipment is connected to line 1; off-hook
L1	Unidentified	Off	Analog phone equipment is not connected to line 1; on-hook
L2	Unidentified	On	Analog phone equipment is connected to line 2; off-hook
L2	Unidentified	Off	Analog phone equipment is not connected to line 2; on-hook
L3	Unidentified	On	Analog phone equipment is connected to line 3; off-hook
L3	Unidentified	Off	Analog phone equipment is not connected to line 3; on-hook
L4	Unidentified	On	Analog phone equipment is connected to line 4; off-hook
L4	Unidentified	Off	Analog phone equipment is not connected to line 4; on-hook
B1	Unidentified	On	Bearer channel 1 is in use
B1	Unidentified	Off	Bearer channel 1 is not in use
B2	Unidentified	On	Bearer channel 2 is in use
B2	Unidentified	Off	Bearer channel 2 is not in use
DCH	Unidentified	On	Data channel is in use
DCH	Unidentified	Off	Data channel is not in use
CON	Unidentified	On	Custom application is installed
CON	Unidentified	Off	Custom application is not installed
UL	Unidentified	On	ISDN connection with the switch is normal
UL	Unidentified	Off	ISDN not connected with the switch.
UL	Unidentified	Blinking	ISDN connection with the switch has been made, but the TEI is being negotiated
ER	Unidentified	On	Errors have been detected on network
ER	Unidentified	Off	Errors have not been detected on network
CA	Unidentified	On	Custom application is being run
CA	Unidentified	Off	Custom application is not being run
PWR	Unidentified	On	Power is on
PWR	Unidentified	Off	Power is off