ADTRAN

EXPRESS XRT

Card Type

ISDN TA

Chip Set

Unidentified

I/O Options

RJ-45 ISDN BRI U interface, Analog phone ports (2), 25-pin modem port, 25-pin DTE port, power

ISDN Rate

230.4Kbps

ISDN Modulation Protocol

PPP

Error Correction/Compression

Unidentified

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

Power

CN1

Telephone line 1

CN4

25-pin DTE port

CN2

Telephone line 2

CN5

25-pin modem port

CN3

ISDN BRI interface (RJ-45)

CN6

USER CONFIGURABLE SETTINGS

Function

Label

Position

î

SW1/1

On

230.4Kbps

SW1/1

Off

î

SW1/2

On

Returns to factory default profile

SW1/2

Off

î

SW1/3

On

Phone volume high

SW1/3

Off

î

SW1/4

Unidentified

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

TD

Green

On

Modem is transmitting data

TD

Green

Off

Modem is not transmitting data

RD

Green

On

Modem is receiving data

RD

Green

Off

Modem is not receiving data

B1

Green

On

B-channel 1 data call connected

B1

Amber

On

Loopback channel protocol test in progress on B-channel 1

B1

Amber

Blinking

Remote test originate on B-channel 1

B1

Green

Blinking (fast)

Attempting TEI registration on B-channel 1

B1

Green

Blinking (slow)

Attempting SPID registration on B-channel 1

B1

Green

Off

No activity on B-channel 1

B2

Green

On

B-channel 2 data call connected

B2

Amber

On

Loopback channel protocol test in progress on B-channel 2

B2

Amber

Blinking

Remote test originate on B-channel 2

B2

Green

Blinking (fast)

Attempting TEI registration on B-channel 2

B2

Green

Blinking (slow)

Attempting SPID registration on B-channel 2

B2

Green

Off

No activity on B-channel 2

PWR

Green

On

Power is on; link is established

PWR

Green

Blinking

Power is on; link is not established

PWR

Green

Off

Power is off

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, A/

A, E, Q, V

&R, &S

Extended AT Commands

\Q

S Registers

S0, S2, S3, S4, S5, S7, S12, S25

Note:

See MHI Help File for full command documentation.

Proprietary AT Command Set

For a full command summary see, ADRAN EXPRESS XR