Mitsubishi Electric MELDAS 600 Series Connection Manual page 32

(3) Connecting the cable
1) Connecting the control unit and cable
The red line faces this side.
2) Connecting the hard disk drive and cable
Align th e HDD connector and cable
connector to this side and connect.
The cable connector key faces upward.
(Note) Some cables may not have a key.
CHAPTER 4 SYSTEM CONNECTION
4.2 Connection of Control Unit
Base
26
The cable connector key faces downward.
The red line faces this side.
Connect using the red line as a reference.