1152700• Issue 1 • February 2001 • Section 2 Operations and Maintenance
Page 2-421
© 2000, ADC Telecommunications, Inc.
TAP-100
Page 2 of 23
6. When opening modules or working on a chassis always wear a grounded wrist strap.
7. Ensure that all modules removed from the chassis or not installed, are properly stored in
anti-static packing material.
8. The Cellworx STN shelf is equipped with a grounding jack for connecting anti-static
grounding wrist straps. The jack is located on the front right side of the shelf .
Caution: Modules can be damaged by static electrical discharge. Before handling any
modules, Electrostatic Discharge precautions (ESD) must always be used. Ensure that
all modules removed from the chassis or not installed are properly stored in anti-static
packing material. When working with modules, always place the module on an
electrically grounded approved anti-static mat.
ALARM TROUBLESHOOTING
Summary: This section provides the user and maintenance personnel with a table of definitions
for all alarm messages that can be generated by the Cellworx STN system. Also provided are
suggestions for troubleshooting the alarms incurred during system operation.
A general knowledge of how the Cellworx STN functions and what alarm indications mean will
aid in troubleshooting tasks. The following assumptions are made by this procedure:
• All Cellworx STNs in the network are properly equipped.
• There may be a single cause for multiple alarms or trouble indications.
• Only a single failure exists.
1. Accumulate the alarm information from the system to determine the highest level of
alarm, and which node is generating the alarm.
Reference: NTP-007.
2. Locate the retrieved alarm message in Table 4-1 and refer to the suggested course of
action provided. The alarms are listed alphabetically in bold and the actual TRAP
messages are listed below the alarm message.
