ADC KENTROX
T-SMART MODELS 77111 AND 77961 (VER. 1)
Card Type |
T1 CSU |
Chipset |
Unidentified |
T1 Transfer Rate |
1.544Mbps |
T1 Protocol |
AMI, B8ZS |
Frame Type |
SF, ESF |
Data Bus |
Serial |
CONNECTIONS | |||
Function |
Label |
Function |
Label |
Monitor receive equalization in jack |
J1 |
Monitor transmit monitor jack |
J8 |
Monitor receive network out jack |
J2 |
DC power in/alarm signal out (see pinout below |
P1 |
Serial control port |
J3 |
T1 line out (network interface) |
P2 |
T1 line in (equipment interface) |
J4 |
Ground |
P3 |
Monitor receive monitor jack |
J5 |
Local loopback test switch |
S1 |
Monitor transmit network in jack |
J6 |
Alarm cut-off switch |
S2 |
Monitor transmit equalization out jack |
J7 |
Code generator switch |
S3 |
P1 PINOUT | |||
Function |
Screw |
Function |
Screw |
+20V to +56V DC power in |
1 |
Chassis ground |
4 |
Not used |
2 |
Alarm relay common |
5 |
-20V to -56V DC power in |
3 |
Alarm relay normally open contact |
6 |
Note:Do not use both P1 screw 4 and P3. |
USER CONFIGURABLE SETTINGS | |||
Setting |
Label |
Position | |
Power drawn from SC1 terminals |
JB1 |
LOCAL | |
Power drawn from T1 line |
JB1 |
LINE | |
Simplex loop enabled |
JP1 |
Pins 1 & 2 closed | |
Simplex loop disabled |
JP1 |
Pins 2 & 3 closed | |
Alarm Indication Signal transmit delay set to 5 mS |
S5/4 |
Off | |
Alarm Indication Signal transmit delay set to 1 second |
S5/4 |
On | |
Control port uses 8 data bits |
S5/7 |
Off | |
Control port uses 7 data bits |
S5/7 |
On | |
Control port uses 1 stop bit |
S5/8 |
Off | |
Control port uses 2 stop bits |
S5/8 |
On | |
Note:Jumper block JB1 has the words LINE and LOCAL printed on the side. The word indicated should face towards the user. |
CODE GENERATOR OPERATION | |
Setting |
S4 |
Standard line loopback |
Position 0 |
Kentrox line loopback |
Position 1 |
Standard test loopback |
Position 2 |
Kentrox test loopback |
Position 3 |
Standard local loopback |
Position 4 |
Kentrox local loopback |
Position 5 |
Standard reset loopback |
Position 6 |
Kentrox reset loopback |
Position 7 |
Quasi-random test pattern |
Position 8 |
1 in 8 test pattern |
Position 9 |
Note:To generate the code indicated, switch S4 must be pushed for one-half second. To stop generating the code, push S4 again. |
CONTROL PORT SPEED SELECTION | ||||
Setting |
S5/1 |
S5/2 |
S5/3 | |
19.2Kbps |
On |
On |
On | |
9600bps |
Off |
On |
On | |
4800bps |
On |
Off |
On | |
2400bps |
Off |
Off |
On | |
1200bps |
On |
On |
Off | |
600bps |
Off |
On |
Off | |
300bps |
On |
Off |
Off |
LINE BUILD OUT SELECTION | ||
Setting |
S6 |
S7 |
0 dB |
Off |
Off |
-7.5 dB |
On |
Off |
-15 dB |
Off |
On |
-22.5 dB |
On |
On |
CONTROL PORT PARITY SELECTION | |||
Setting |
S5/5 |
S5/6 | |
No parity |
On |
N/A | |
Odd parity |
Off |
On | |
Even parity |
Off |
Off |
DIAGNOSTIC LED(S) | |||
LED |
Color |
Status |
Condition |
LOC |
Yellow |
On |
Local loopback test in progress |
LOC |
Yellow |
Off |
Local loopback test not in progress |
ACO |
Green |
On |
Alarm condition exists and S2 has been pressed |
ACO |
Green |
Off |
S2 has not been pressed or no alarm condition exists |
SEND |
Yellow |
On |
Test or loopback code being sent on indicated connection |
SEND |
Yellow |
Off |
Test or loopback code not being sent on indicated connection |
TI |
Red |
On |
Indicated alarm is on T1 equipment |
TI |
Red |
Off |
Indicated condition is not on T1 equipment |
NI |
Red |
On |
Indicated alarm is on T1 network interface |
NI |
Red |
Off |
Indicated condition is not on T1 network interface |
DATA |
Green |
On |
Valid data being received on indicated connection |
DATA |
Green |
Off |
No valid data being received on indicated connection |
CODE |
Yellow |
On |
Test or loopback code being received on indicated connection |
CODE |
Yellow |
Off |
Test or loopback code not being received on indicated connection |
NET |
Yellow |
On |
Network loopback test in progress |
NET |
Yellow |
Off |
Network loopback test not in progress |
TA/FEL |
Yellow |
On |
Remote CSU/DSU loopback test in progress or Set or Test code transmitted |
TA/FEL |
Yellow |
Blinking |
Remote CSU/DSU loopback test verified |
TA/FEL |
Yellow |
Off |
Remote CSU/DSU loopback test not in progress and Set or Test code not transmitted |
PWR |
Green |
On |
Power is on |
PWR |
Red |
On |
Self-test failed |
PWR |
N/A |
Off |
Power is off |
EER |
Red |
On |
Error rate on indicated connection exceeds threshold |
EER |
Red |
Off |
Error rate on indicated connection does not exceed threshold |
OOF |
Red |
On |
Signal is out of frame synchronization on indicated connection |
OOF |
Red |
Off |
Signal is not out of frame synchronization on indicated connection |
DIAGNOSTIC LED(S) (CON'T) | |||
LED |
Color |
Status |
Condition |
YEL |
Yellow |
On |
Yellow Alarm condition detected on indicated connection |
YEL |
Yellow |
Off |
Yellow Alarm condition not detected on indicated connection |
PD |
Red |
On |
Fewer than 1 high bit in 8 detected on indicated connection |
PD |
Red |
Off |
More than 1 high bit in 8 detected on indicated connection |
KA |
Red |
On |
Keep-alive signal transmitted to T1 network interface |
KA |
Red |
Off |
Keep-alive signal not transmitted to T1 network interface |
LOS |
Red |
On |
Loss Of Signal condition detected on indicated connection |
LOS |
Red |
Off |
Loss Of Signal condition not detected on indicated connection |
AIS |
Red |
On |
Alarm Indication Signal condition detected for one second on indicated connection |
AIS |
Red |
Off |
Alarm Indication Signal condition not detected on indicated connection |
BPV |
Red |
Blinking |
Bipolar Variation detected on indicated connection (does not count B8ZS coding) |
BPV |
Red |
Off |
Bipolar Variation not detected on indicated connection |