3-6
Test equipment and precautions
411-2051-500
Draft
00.01
November 1999
mats at all work locations. The wrist strap must be permanently attached to
the frame on the basis of one between two frames. Alternatively the straps
may be connected on an as-required basis to the battery return (Ground) jack,
where it is provided.
Handling
Electrostatic-discharge-sensitive devices must be handled only in static-free
locations. These locations must be equipped with grounded table and floor
mats and grounded wrist straps. Also a reasonable relative humidity (RH)
level must be maintained, if economically feasible, of between 20% and 80%
non-condensing. In places where humidification is not practical, the other
static control measures must be carefully observed.
Electrostatic-discharge-sensitive equipment must be handled only after
personnel have grounded themselves via wrist straps, or shoe straps and mats.
No electrostatic-discharge-sensitive device should be removed from its
protective package, except in a static-free location. The recommended
packaging is a form of Faraday cage that will protect the contents against any
charge present under normal conditions. Damaged packaging must be
replaced at once.
All common plastics and other prime generators (for example, nylon carpet,
plastic mats) must be prohibited in the electrostatic-discharge-free area.
Use only static-shielding packing material.
Transporting
A circuit pack must be placed into an anti-static shielding bag before being
removed from the work location and must remain in the bag until it arrives at
a static-free repair/test center.
Where handles or finger holes are provided on circuit packs they must be used
to remove and replace the boards, and care taken to avoid contact with the
connectors and components.
Storage
Improper storage can cause failures in ESD-sensitive components. The
guidelines for environmental factors (temperature, moisture, air pollutants)
are as important during storage as they are for operating. Wider variations of
CAUTION
Equipment damage
At no time must an unprotected circuit board come in contact
with clothing, plastics, or ungrounded personnel.
Summary of Contents for DualMode 800
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Page 6: ...vi Publication history Nortel Networks Confidential 411 2051 500 Draft 00 01 November 1999...
Page 82: ...2 20 Periodic maintenance 411 2051 500 Draft 00 01 November 1999...
Page 90: ...3 8 Test equipment and precautions 411 2051 500 Draft 00 01 November 1999...
Page 100: ...5 6 Master Oscillator tests 411 2051 500 Draft 00 01 November 1999...
Page 106: ...6 6 Antenna and transmission line tests 411 2051 500 Draft 00 01 November 1999...
Page 116: ...8 4 Alarm Control Unit ACU tests 411 2051 500 Draft 00 01 November 1999...
Page 138: ...10 2 ICRM tests 411 2051 500 Draft 00 01 November 1999...
Page 200: ...12 10 Enclosure maintenance 411 2051 500 Draft 00 01 November 1999...
Page 208: ...A 8 Appendix A Frequency table 411 2051 500 Draft 00 01 November 1999...
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