IBM 8265 Nways ATM Switch, Installation Manual

Page: 60 / 102

Powering on the 8265
CAUTION:
When one or more power supplies are active, module and power supply slots carry electric
current. To avoid possible electric shock and damage to switch components, do not place hands,
tools, or other objects (other than properly installed modules and power supplies) into exposed
module or power supply slots. Do not allow liquids of any kind to contact exposed slots.
DC Power Source
CAUTION:
Connect the -48 Volt DC power supply to Safety Extra Low Voltage (SELV) only. Carefully read the
safety label attached to the power supply cord you received.
Make certain that the building power source is turned OFF (circuit breaker is in the OFF position).
1. Ensure that the -48 Volt building power source is turned OFF.
2. Plug the power cord for each power supply unit into the wall outlets.
3. Turn on the -48 Volt building power source.
The power supplies should now be fully operational.
AC Power Source
1. Plug the power cord for each power supply unit into the wall outlets.
The power supplies should now be fully operational.
46
IBM 8265: Installation Guide