Juniper EX9214 Hardware Manual page 79

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Figure 23 on page 68 shows the original SF module, EX9200-SF.
Figure 23: SF Module EX9200-SF
Starting with Junos OS Release 14.1, a high-speed SF module, EX9200-SF2, is available. Compared to
the original SF module, EX9200-SF, the EX9200-SF2 offers increased bandwidth, providing higher-
capacity traffic support in settings that require greater interface density (slot and capacity scale).
The EX9200-SF2 supports all EX9200 line cards.