HighPoint RocketRAID 2640X1 - Manual (Page 10)

Congratulations
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Port1- Port4
Port1,Port2 represent the RocketRAID 2642’s 2 External SAS channels.
Port3,Port4 represent the RocketRAID 2642’s 2 Internal SAS channels .
2 – LED Connections
LED connectors (Drive-activity/Drive-failure): LED support is discussed in greater
detail in the LED Connection section. The RocketRAID 264x host adapter has 2 LED
connectors that are used to indicate the activity and failure status of hard drives
attached to the card’s 4 SATA/SAS channels.
RocketRAID 2642
J1, J2 (RR2640X4 and RR2640X1)
J1 provides LED support for Drive Activity, while J1 supports Drive Failure.
A1, F1 (RR2642)
A1 provides LED support for Drive Activity, while F1 supports Drive Failure.