Paradyne Jetstream CPX-1000 Installation And Operation Manual page 109

1000-A2-GN22-00
Table 4–6. PSTN Module Troubleshooting
Symptom
No indicators are lit on
the T1/STS-1 module.
indicators are lit
FAIL
and/or indicators
RUN
are off on all T1
modules in the CPX.
indicator is lit and/
FAIL
or indicator is off
RUN
on a single T1 module;
all other T1 modules
show normal and
FAIL
indicator states.
RUN
and/or indicators
Tx Rx
on the STS-1 card are
off.
February 2003
Probable Causes
CPX is not powered.
Software error occurred
on the CP module,
preventing the T1/STS-1
module from initializing.
T1/STS-1 module is
faulty.
Software error occurred
on the CP module,
causing the T1 modules to
initialize improperly.
CP module is faulty.
T1 module is faulty.
Software error occurred
on the CP module,
causing the T1 module to
initialize improperly.
Software error occurred
on the CP module,
causing the STS-1 module
to initialize improperly.
STS-1 module is faulty.
Corrective Action
Put the suspect card on standby,
locked, resources removed. Then
switch it out (see Hot Swapping Line
Cards on page 5-11)
Verify that the CPX is receiving –48
VDC from the plant battery.
Power down the CPX, then reapply
power by turning its circuit breaker
switch off, then on again
(see Figure 4–2 on page 4-12).
Replace the module (see
Troubleshooting on page 4-6)
1. Turn the CPX rear circuit breaker
switch off, then on again.
2. After the system initializes, verify
that all T1 module
FAIL
are off and indicators are lit.
RUN
Switch over CP to standby. If required,
swap out (see Hot Swapping CP and
HSC Cards on page 5-11)
Replace the module (see
Troubleshooting on page 4-6).
1. Turn the CPX rear circuit breaker
switch off, then on again.
2. After the system initializes, verify
that the T1 module
off and the indicator is lit.
RUN
1. Turn the CPX rear circuit breaker
switch off, then on again.
2. After the system initializes, verify
that the STS-1 module
indicators are lit or flashing .
Replace the STS-1 module (see
Module Troubleshooting
4. Troubleshooting
Module
indicators
Module
indicator is
FAIL
and/or
Tx Rx
on page 4-6).
4-9