Two power supply bays accommodate either AC or DC power supplies. Power supplies have integrated
cooling fans that operate independently of the switch fans. Like the fan modules, the power supplies are
available in models with either front-to-back or back-to-front cooling airflow.
Note
Air must flow in the same direction for all installed fan modules and power supplies in a
switch.
X770 series switches require ExtremeXOS version 15.4.1.3 or later, or any release of EXOS version 21 or
22.
Summit X770-32q Switch Ports and Slots
The front panel of the Summit X770-32q switch includes:
•
32 40-gigabit Ethernet ports capable of supporting passive copper QSFP+ and active fiber QSFP+.
With quad fan-out SFP+ cables, the QSFP+ ports can be partitioned into 10-gigabit data lanes: 24 of
the ports can be partitioned into four 10-gigabit data lanes, and the remaining eight ports can be
used as single 10-gigabit data lanes. This yields a total of 104 10-gigabit ports as shown in Figure 91:
Figure 91: X770 Port Numbers for 10G mode and 40G Mode
For information about QSFP+ optical modules, see the Extreme Networks Pluggable Transceivers
Installation Guide.
•
Groups of two or four ports configurable to be stacking ports as shown in the following table:
Table 26: X770 Stacking Method and Ports
Stacking Method Ports
SummitStack-V 103 and 104
SummitStack-V160 103 and 104
SummitStack-V-320 101 and 103, 102 and 104
ExtremeSwitching Switches
ExtremeSwitching and Summit Switches: Hardware Installation Guide 82
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