Fujitsu MBA3073NP, MBA3073NC External operator panel on NP model drives only, A10 GND A8 -LED

(4)External operator panel (NP model only)

The external operator panel is installed only when required for the system. When connection is not required, leave open the following pins in the external operator panel connector of the HDD: Pins 21, 22 and pins 01 through 08 in CN2 and pins A1 through A12 in CN1.

4.3.4External operator panel (on NP model drives only)

A recommended circuit of the external operator panel is shown in Figure 4.23. Since the external operator panel is not provided as an option, this panel must be fabricated at the user site referring to the recommendation if necessary.

(HDD)

C N 1

(*1)

C

N 2

S3

A1 -ID0

A3 -ID1

A5 -ID2

A7 -ID3

A10 GND

S3

A8 -LED

A11 +5V

S4

21LED (+5V)

22-LED

ID0

ID1

ID2

ID3

(LED)

R

Approx. 300Ω

(LED)

(for 16-bit SCSI)

(*1) For connecting the external LED to CN2.

Figure 4.23 External operator panel circuit example

68 C141-E270