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InfiniBand FDR Switch Platform Hardware User Manual
nection between the chassis of the switch and the rack. Test the ground using an Ohm
meter.
1.8
Power Connections
The switch includes integrated hot-swap power supplies which support up to 6 load-shar-
ing 1000W or 1600W supply units. The slots for the power supply units (PSUs) are on
the spine side. The left side has odd numbered PSUs and the right side has even num-
bered PSUs. Each PSU has a dedicated AC inlet. This design enables the optional use of
separate main and backup AC feeds. The input voltage is Autorange, 100-240 VAC,
50Hz or 60Hz. The output voltage for the PSUs is 48V. The power cords should be stan-
dard 3-wire AC power cords including a safety ground.
1.8.1
Powering Up the Switch Platform
The chassis in N+1 mode must be started with a full complement of PSUs, thereafter it
can run on one less than the total number of PSUs. This final PSU is redundant and
Mellanox Technologies
Figure 30: Ground Connection
STATUS
PSU
SPINE FANS
LEAF FANS
MNG1 MASTER
MNG2 MASTER
SX6518
S1
UID
Mellanox
S2
UID
S3
UID
S4
UID
S5
UID
S6
UID
S7
UID
S8
UID
S9
UID
ESD connector
Make sure that the power cords are compatible with your outlets. Power cords for dif-
ferent countries can be ordered from Mellanox.
SX6518
Mellanox
®
SX6518
Mellanox
Ground post
39
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