What's the difference between S5700-52C-PWR-EI and S5700-52C-PWR-SI ?
There are two big difference:
1.Huawei S5700-52C-PWR-SI is coming without power supply while S5700-52C-PWR-SI by default includes single 500W AC Power.
2.Their software is different, for difference of 5700 EI and SI.