Teledex Y Series - Manual (Page 29)

Y SERIES EXP212, EXP224, AND EXP248 USER GUIDE www.teledex.com 29
3.1 Introduction to
Troubleshooting
This chapter describes instructions for the
EXP212, EXP224, and EXP248 system problems.
These procedures may require the presence
of technicians at remote system sites and plus
an operator at PC to monitor system alarms by
console or EMS during maintenance.
3.2 Resolving Problems
Indicated Through LEDs
This section describes what to do to solve
problems indicated by LEDs on the system front
panel.
Table 3.1 Problems Indicated by LEDs
LED Activity Problem Action
SYS Not lit
even
though
DSLAM
is
powered
up There is a
power up
problem
with the
system Troubleshoot
the DSLAM
for power up
problems;
see section
3.4
Red Self-test
failed.
There is a
functional
problem
with the
system Replace the
EXP212,
EXP224, or
EXP248
ALM Red Major
alarm set See section
3.3
Red-
Flash Major and
Minor
alarm set See section
3.3
Yellow Minor
alarm set See section
3.3
GBE1/
GBE2
(If SFP
interface
is
activated)
(EXP248
only) Not lit
even
though
DSLAM
is
powered
up No link Troubleshoot
the DSLAM
for fiber
optics
problems;
see section
3.4
3.3 Resolving Problems
Indicated Through Alarms
Alarms of the system are viewed through CLI,
Web GUI, JG-2110, or EMS.
If an alarm indicates a problem, refer to section
3.4 for troubleshooting procedures.
3—Troubleshooting the EXP212, EXP224, or
EXP248