Справочник Пользователя для Adtran TRACERT1L7
61280.003L1-1B
P
AGE
41
4/12/99
7.
Check all connections between the BBP, the RFC, and the antenna.
8.
Check the IF and RF cables for shorts.
9.
Check the connections inside the mast-mount or rack-mount RFC.
10.
Replace the RFC.
“BPV”
LIGHT
ON
T1-A
OR
B
IS
LIT
This alarm will activate when the incoming T1 stream presents
BPVs.
BPVs.
R
ECOMMENDED
A
CTION
P
OSSIBLE
C
AUSE
(
SEE
LIST
BELOW
)
• The incoming T1 contains BPVs or errors. ....................................... 1
• The line codes between DS1/DSX-1 equipment
• The line codes between DS1/DSX-1 equipment
and the Tracer are incompatible. ....................................................... 2
R
ECOMMENDED
A
CTIONS
:
1.
Check the incoming DS1/DSX-1 signal for BPVs using a T1 test set.
2.
Correct the line code on the Tracer or DS1/DSX-1 equipment.
RED
LIGHT
ON
T1-A
OR
B
IS
LIT
This alarm (Loss of Signal) will activate when there is no signal
present at the T1 interface.
present at the T1 interface.
R
ECOMMENDED
A
CTION
P
OSSIBLE
C
AUSE
(
SEE
LIST
BELOW
)
• No DS1/DSX-1 signal or a degraded DS1/DSX-1
signal is present at the DS1/DSX-1 input. ...................................... 1,2
• The connection at the T1 input or DS1/DSX-1
equipment is faulty. ............................................................................ 2
R
ECOMMENDED
A
CTIONS
:
1.
Verify the presence of a DS1/DSX-1 signal at the T1 monitor jack
using a T1 test set.
using a T1 test set.
2.
Verify that all cables and connectors are correctly wired.
T
ROUBLESHOOTING
I M P O R T A N T
If problems persist after you have followed the Recommended
Actions, contact ADTRAN Technical Support at (800) 726-8663.
Actions, contact ADTRAN Technical Support at (800) 726-8663.