ADTRAN
DSU III AR
|
Card Type |
DSU |
|
Chip Set |
Unidentified |
|
I/O Options |
25-pin DTE ports (2), V.35 DTE port, dedicated network port (RJ-48), power |
|
Maximum Data Rate |
64Kbps |
|
Data Bus |
External |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
Dedicated network port |
CN1 |
V.35 DTE port |
CN4 |
|
25-pin DTE port - auxiliary |
CN2 |
Power |
CN5 |
|
25-pin DTE port - primary |
CN3 |
Power switch |
SW1 |
|
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 |