Seagate 18FC ユーザーズマニュアル

26

Cheetah 18FC Installation Guide, Rev. A

*Short pins in mating backpanel connector.

[1] This pin may be connected to external logic to detect the presence of the drive.

The drive connects this pin to the common ground.

26

Ground

27*

+Port B_in

Diff. PECL input pair

28*

–Port B_in

29

Ground

30*

+Port A_out

Diff. PECL output pair

31*

–Port A_out

32

Ground

33*

+Port B_out

Diff. PECL output pair

34*

–Port B_out

35

Ground

36

SEL_2

TTL input/output

37

SEL_1

TTL input/output

38

SEL_0

TTL input/output

39

Reserved NC

40

5 Volts charge