Infortrend S12 Series Hardware Manual page 59

MUX board + flat support plate (secure the plate using 2 screws)
MUX board + U-shaped support plate (secure the plate using 4 screws)
6. Install the SATA hard drive into the drive tray with MUX board
Installing a Hard Drive with a MUX Board (SATA drives)
7. Insert the drive tray back to the enclosure. Install the drive tray with the front bezel
open. When fully inserted, close the front bezel.
8. Lock the drive tray. Turn the bezel lock to
the vertical orientation (locked position)
using a flat-blade screwdriver. Do not push
the bezel lock while turning it, otherwise the
spring handle will pop out again.
EonStor / EonStor DS S12/S16/S24 Series
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