18 Operating Manual RX2520 M4
USB connectors
Depending on the operation panel installed, the system has one USB 2.0 or two
USB 3.0 connectors at the front, to support activities carried out by a service
technician. The maximum length of the external cable is two meters for the USB
connectors on the front. At the rear there are four USB 3.0 connectors.
Power supply unit (PSU)
The server can be equipped with:
– 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 (PSU Platinum, 450 / 800
W) or 200 - 240 V (PSU Titanium, 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).
– with one AC PSU
Advanced Thermal Design
The Advanced Thermal Design option allows you to operate the system with a
wider temperature range either of 5 °C to 40 °C or 5 °C to 45 °C, depending on
your system and configuration.
V CAUTION
In a system that is configured with Advanced Thermal Design, only
certain components which support the respectively increased higher
operating temperature range may be installed and used. For applicable
restrictions, please refer to the official configurator tool.
High level of availability and data security
When memory data is accessed, 1-bit errors are identified in the main memory
and automatically corrected with the error correcting code (ECC) method.
This option can only be ordered from the
manufacturer and is indicated by the respective
logo on the identification rating plate.
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