ADTRAN
TSU 120
|
Card Type |
T1 DSU/CSU |
|
Chip Set |
Unidentified |
|
I/O Options |
V.35 DTE port, T1 test jack - in, T1 test jack - out, T1 test jack - monitor, DTE test jack - in, DTE test jack - out, DTE test jack - monitor, RJ-48 control ports (2), T1 network interface via RJ-48, power DSX-1 DTE interface via RJ-48, Expansion module |
|
T1 Data Rate |
1.544Mbps |
|
Line Coding |
AMI, B8ZS, RZ, Bipolar |
|
Framing |
D4, ESF |
|
Data Bus |
External |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
T1 network port (RJ-48) |
CN1 |
DSX-1 port (RJ-48) |
CN8 |
|
T1 test jack - in |
CN2 |
Control port - chain in (RJ-48) |
CN9 |
|
T1 test jack - out |
CN3 |
Control port - chain out (RJ-48) |
CN10 |
|
T1 test jack - monitor |
CN4 |
V.35 DTE port |
CN11 |
|
DTE test jack - in |
CN5 |
Power |
CN12 |
|
DTE test jack - out |
CN6 |
Power switch |
SW1 |
|
DTE test jack - monitor |
CN7 | ||
|
Note: The optional expansion module may feature a switched 56K interface, voice interface, V.35, RS-232, or ISDN T1 interface | |||
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
OK1 |
Green |
On |
DSU is operating in normal mode. No errors have been detected |
|
OK1 |
Green |
Off |
DSU is not in normal mode, or errors have been detected |
|
TST1 |
Yellow |
On |
DSU is conducting a test |
|
TST1 |
Yellow |
Off |
DSU is not conducting a test |
|
ALM1 |
Red |
On |
Alarm condition has been detected on DSU |
|
ALM1 |
Red |
Off |
Alarm condition has not been detected on DSU |
|
OK2 |
Green |
On |
Module is operating in normal mode. No errors have been detected |
|
OK2 |
Green |
Off |
Module is not in normal mode, or errors have been detected |
|
TST2 |
Yellow |
On |
Module is conducting a test |
|
TST2 |
Yellow |
Off |
Module is not conducting a test |
|
ALM2 |
Red |
On |
Alarm condition has been detected on option ports |
|
ALM2 |
Red |
Off |
Alarm condition has not been detected on option ports |
|
OK3 |
Green |
On |
CSU is operating in normal mode. No errors have been detected |
|
OK3 |
Green |
Off |
CSU is not in normal mode, or errors have been detected |
|
TST3 |
Yellow |
On |
CSU is conducting a test |
|
TST3 |
Yellow |
Off |
CSU is not conducting a test |
|
ERR |
Red |
On |
Error has been detected on network. Errors include: BPV, OOF or CRC |
|
ERR |
Red |
Off |
Error has not been detected on network |
|
ALM3 |
Red |
On |
Alarm condition has been detected on network |
|
ALM3 |
Red |
Off |
Alarm condition has not been detected on network |
