Specifications

Page B–2
FOCUS System Manual
SYMPTOM SOLUTION
7. Minor alarm 1. Lock and unlock (or refresh) the chassis and
make sure that the chassis is unlocked.
2. Check for carrier alarm LEDs.
3. Make sure that both power supplies are
working.
8. Steady red status LED on any channel
module
1. Lock and unlock (or refresh) the chassis and
make sure that the chassis is unlocked.
2. Replace the channel module.
3. Replace the Maintenance Module.
9. Any channel module not passing data
correctly (alarm LED on)
1. Make sure that the module and its rear
interface module are both installed properly
and that all connections are correct.
2. Make sure that DS0 time slot assignment
map is set correctly.
3. Replace one of the channel modules at a
time to determine which one is faulty.
10. Can’t communicate with FOCUS 1. Make sure that you are using compatible
versions of FCS and FOCUS.
2. Check the RS-232 cable connections.
3. Check the COM port settings in Windows.
4. Replace the Maintenance Module.
11.Modules listed on the DS1 channel assign-
ment map are not in the chassis
Lock and unlock (or refresh) the chassis and
make sure that the chassis is unlocked.
12. No LEDs come on when the Power Supply
is plugged in.
Make sure that the circuit breakers are
closed.
13. Orderwire signaling is not working Make sure that you are using the correct
version of the FOCUS Configuration
Software (FCS).
14. Both LEDs (Primary/Redundant) are on
at the same time on a transceiver with hot
standby
Make sure that all transceiver connections
are correct.
Some users have asked what action should be taken when experiencing different alarm conditions. The
following table is offered as a guide for this purpose.