QDR InfiniBand Switch Platform User Manual Rev 3.4
Mellanox Technologies
21
3.3 QSFP Cable Power Budget Classification
All MIS50XX QSFP switches are designed for a active cables with a max power per module of
2.W. This is power level 3 according to the QSFP Public Specification.
3.4 Interfaces
3.4.1 Port Connector Interfaces
3.4.1.1 36 Port Switches
The Connector side of the switch has 36 QSFP ports. These are placed in two rows, 18 ports to a
row. The ports are labelled as shown in
Figure 10. The bottom row ports are flipped from the top
row. See Figure 11 for bottom row - top row port orientation.
Table 9 - Air Flow Direction
Picture
OPN
Designation
Description
R
Connector side inlet to power side
outlet
F
Power side inlet to connector side
outlet
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