Electrical input and power policy
Electrical input
Common Redundant Power Supply (CRPS) and CRPS Premium are supported as listed below:
Table 1. Electrical input for power supply units
Power supply 100–127 V
ac
200–240 V ac 240 V dc -48 V dc
CRPS CRPS
Premium
800-watt 80 PLUS
Platinum
√ √ √ √ √
1300-watt 80 PLUS
Platinum
√ √ √ √ √
800-watt 80 PLUS
Titanium
√ √ √ √
1300-watt 80 PLUS
Titanium
√ √ √ √
2000-watt 80 PLUS
Titanium
√ √ √
One or two hot-swap power supply units for redundancy or over-subscription (OVS) support:
Table 2. Power policy for power supply units
Type Watts Redundancy
OVS
CRPS Premium
800-watt 80 PLUS
Titanium
1+0
x x
1+1
√ √
1300-watt 80 PLUS
Titanium
1+0
x x
1+1
√ √
2000-watt 80 PLUS
Titanium
1+1
√ √
CRPS
800-watt 80 PLUS
Platinum
1+1
√
x
1300-watt 80 PLUS
Platinum
1+1
√
x
Notes:
• CRPS PSUs do not support OVS, zero-output mode or vendor mixing. Zero Output Mode and Non-redundant will
not be displayed on Lenovo XClarity Controller web interface when installed with CRPS PSUs.
• 1+0 indicates that the server has only one power supply unit installed and the system does not support power
redundancy, while 1+1 indicates that two power supply units are installed and redundancy is supported.
CAUTION:
• 240 V dc input is supported in Chinese Mainland ONLY.
• Power supply with 240 V dc input cannot support hot plugging power cord function. Before removing the
power supply with dc input, please turn off server or disconnect dc power sources at the breaker panel or by
turning off the power source. Then, remove the power cord.
Chapter 1. Introduction 7