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# 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 PPP
Protocol
Error Unidentified
Correction/Compression
Data Bus External
IMG IMG 1
+------------------------------------------------------------+
| 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 | CN6 |
| | | (RJ-45) | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | Attempting TEI registration on |
| | | (fast) | B-channel 1 |
|-----+---------+----------+---------------------------------|
| B1 | Green | Blinking | Attempting SPID registration on |
| | | (slow) | 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 | Attempting TEI registration on |
| | | (fast) | B-channel 2 |
|-----+---------+----------+---------------------------------|
| B2 | Green | Blinking | Attempting SPID registration on |
| | | (slow) | 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