Responding To Alarms - Symmetricom SSU-2000e User Manual

Chapter 5 Maintenance and Troubleshooting

Responding to Alarms

Responding to Alarms
The SSU-2000e monitors various system parameters and stores this information as
alarms and event messages which is extremely useful in troubleshooting the
system. If an alarm occurs, follow the troubleshooting procedures in
Troubleshooting, on page 133, to clear the alarm.
Preventive Maintenance
The SSU-2000e requires no preventive maintenance. Care should be taken to
ensure the unit is not exposed to hazards such as direct sunlight, open windows, or
extreme heat. See
for other conditions that may cause damage.
Should the unit require cleaning, the exterior chassis may be wiped off using a soft
cloth dampened with mild soapy water.
Caution: To avoid damage to the system, under no circumstances
should the interior chassis of the SSU-2000e be allowed to come in
contact with water.
Caution: To avoid damage to the system, never attempt to vacuum
the interior of the SSU-2000e.
Caution: To avoid the possibility of the lithium battery exploding in
the Communications module of Clock modules, do not replace the
battery. Return the entire module to Symmetricom Global Services
for battery replacement and disposal.
Caution: To avoid electrostatic discharge (ESD) and damage to the
internal circuitry, never attempt to vacuum the interior of the
SDU-2000e. If damaged, return the unit to the Symmetricom Global
Services for corrective service.
Caution: To avoid personal injury and electrostatic discharge (ESD)
damage to equipment, follow the ESD precautions as listed in this
guide.
130 SSU-2000e User's Guide
Electromagnetic Interference (EMI) Considerations, on page 59,
12713140-002-2 Revision E – October 2006