ADTRAN
DSU III DBU
|
Card Type |
Dial Backup DSU |
|
Chip Set |
Unidentified |
|
I/O Options |
25-pin DTE ports (2), V.35 DTE port, dial backup port (RJ-48), dedicated network port (RJ-48), power |
|
Maximum Data Rate |
64Kbps |
|
ISDN Rate |
64Kbps |
|
ISDN Modulation Protocol |
HDLC, PPP |
|
Line Coding |
2B1Q |
|
Data Bus |
External |
|
CONNECTIONS | ||||||
|
Function |
Label |
Function |
Label | |||
|
Dedicated network port - line 1 |
CN1 |
V.35 DTE port |
CN5 | |||
|
Dial backup port - line 2 |
CN2 |
Power |
CN6 | |||
|
25-pin DTE port - auxiliary |
CN3 |
Power switch |
SW1 | |||
|
25-pin DTE port - primary |
CN4 | |||||
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
RS |
Unidentified |
On |
RTS signal high |
|
RS |
Unidentified |
Off |
RTS signal low |
|
CS |
Unidentified |
On |
CTS signal high |
|
CS |
Unidentified |
Off |
CTS signal low |
|
TD |
Unidentified |
On |
Data is being transmitting from DTE |
|
TD |
Unidentified |
Off |
Data is not being transmitting from DTE |
|
RD |
Unidentified |
On |
Data is being received from network |
|
RD |
Unidentified |
Off |
Data is not being received from network |
|
CD |
Unidentified |
On |
Frame synchronization is established. Device is ready to transmit/receive data |
|
CD |
Unidentified |
Off |
Frame synchronization is not established. Device is not ready to transmit/receive data |
|
ALM |
Unidentified |
On |
Open loop, loss of frame synchronization, dial backup mode, or problem with dial backup line alarm condition detected on network |
|
ALM |
Unidentified |
Off |
Open loop, loss of frame synchronization, dial backup mode, or problem with dial backup line alarm condition not detected on network |
|
TST |
Unidentified |
On |
Device is conducting a test |
|
TST |
Unidentified |
Off |
Device is not conducting a test |
|
SUPPORTED COMMAND SET |
|
Basic AT Commands |
|
AT, A/ |
|
A, E, H, O, Q, V |
|
&C, &D, &F, &K, &L, &Q, &R, &S, &V,&X, &Z |
|
Extended AT Commands |
|
\N, \T |
|
%A, %C, |
|
Note: See MHI Help File for full command documentation. |
|
NON-STANDARD COMMAND SET |
|
Basic AT Commands |
|
Z |
|
Extended AT Commands |
|
%B, %K, %P, %P=x, %P>x, %R, %T |
|
_A, _B, _C, _D, _E, _F, _G, _H, _I, _J, _K, _L, _N=xx, _P, _RR, _S=x, _T, _X, _Y |
|
Note: Full documentation is unavailable for non-standard AT commands |
TEST COMMANDS
|
TEST MODES | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] &Tn |
|
Description: |
Selects test options |
|
Command |
Function |
|
&T0 |
End current test |
|
&T1 |
Begin local analog loopback test |
|
&T3 |
Begin local digital loopback |
|
&T6 |
Request remote digital loopback |
|
&T7 |
Request remote digital loopback and self-test |
|
&T8 |
Begin local analog loopback and self-test |
|
&T9 |
Begin local self-test |
|
&T10 |
Begin local DTE and anolog loopback test |
|
&T11 |
Begin local analog loopback test |
|
TEST PATTERNS | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] _Tn |
|
Description: |
Selects test pattern options |
|
Command |
Function |
|
_T0 |
Begin test using 2047 pattern |
|
_T1 |
Begin test using 511 pattern |
|
_T2 |
Begin stress test using pattern #1 |
|
_T3 |
Begin stress test using pattern #2 |
|
_T4 |
Begin stress test using pattern #3 |
|
_T5 |
Begin stress test using pattern #4 |
|
Note: Commands must be used in conjuction with T7 or T8 to select analog or remote test pattern. | |