TX2550 M4 Upgrade and Maintenance Manual 137
6 Power supply unit (PSU)
Safety notes
V CAUTION!
● Do not disassemble the PSU. Doing so may cause electric shock.
● Areas around the PSU may remain extremely hot after shutdown.
After shutting down the server, wait for hot components to cool down
before removing the PSU.
● When installing a PSU, ensure that the connector of the PSU is not
damaged or bent.
● The PSU is heavy, so handle it carefully. If you drop it by mistake,
injuries may result.
● For more information, see chapter "Important information" on
page 37.
6.1 Basic information
AC PSU
The server can be equipped with up to two AC PSUs.
In its basic configuration, the server has one PSU that adjusts automatically to
any mains voltage in the range of 100 V - 240 V (AC PSUs Platinum) or
200 V -240 V (AC PSU Titanum, 800 W). Besides the PSU, a second PSU can
be installed optionally to serve as a redundant power supply. If one PSU fails,
the second PSU in the redundant configuration ensures operation can continue
uninterrupted and the defective PSU can be replaced during operation (hot-
plug).
V CAUTION!
The server supports a mains voltage in the range of 100 V to 240 V. You
may only operate the server if its rated voltage range corresponds to the
local mains voltage.
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