68
A
PPENDIX
A: S
AFETY
I
NFORMATION
WARNING
:
Fiber Optic ports - Optical Safety
Never look at the transmit laser while it is powered-up. Never look
directly at the fiber ports and fiber cable ends when they are
powered-up.
WARNING:
Use of controls or adjustments of performance or
procedures other than those specified herein may result in hazardous
laser emissions.
WARNING:
Mains power must be removed from the PSU before
removing the PSU. A PSU must only be powered once it has been
installed.
WARNING:
The system must not be left without a power supply or a
blanking plate in either of the two slots (except during replacement of
the power supplies). Tighten all screws with a suitable screwdriver.
WARNING:
Care must be taken when removing a PSU as it may be hot.
The replacement of power supplies should be completed within two
minutes to avoid normal cooling being disturbed.
WARNING:
A fan tray can be temporarily removed and replaced whilst
the system is running without impacting operations. The system must not
be left with either fan tray removed for more than two minutes or
damage to the product may be caused. Tighten all screws with a suitable
screwdriver.
WARNING:
Care must be taken when removing the fan trays as the fan
blades may continue to spin for a short time after removal. Keep fingers
clear.
DUA1770-9AAA04.book Page 68 Monday, April 14, 2003 11:33 AM
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Страница 6: ...INDEX REGULATORY NOTICES DUA1770 9AAA04 book Page 6 Monday April 14 2003 11 33 AM ...
Страница 22: ...22 CHAPTER 1 INTRODUCING THE 3COM SWITCH 40X0 FAMILY DUA1770 9AAA04 book Page 22 Monday April 14 2003 11 33 AM ...
Страница 64: ...64 CHAPTER 4 PROBLEM SOLVING DUA1770 9AAA04 book Page 64 Monday April 14 2003 11 33 AM ...
Страница 78: ...78 APPENDIX B PIN OUTS DUA1770 9AAA04 book Page 78 Monday April 14 2003 11 33 AM ...
Страница 90: ...DUA1770 9AAA04 book Page 90 Monday April 14 2003 11 33 AM ...