Juniper EX9214 Hardware Manual page 80

NOTE: When you upgrade from an EX9200-SF module to an EX9200-SF2 module in an EX9200
switch, the SF module types can coexist in the switch during the upgrade. However, you must
replace that EX9200-SF module with another EX9200-SF2 module for normal switch operation.
Upgrading an EX9200-SF to an EX9200-SF2
See
Figure 24 on page 69 shows the high-speed SF module, EX9200-SF2.
Figure 24: SF Module EX9200-SF2
.
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