Reset, Sata data x4, Sata power x2 – Vivotek ND9542P 32-Channel 4K UHD NVR (No HDD) User Manual
Page 17: Vivotek - built with reliability

VIVOTEK - Built with Reliability
User's Manual - 17
3. Install HDD brackets to the sides of hard disk drives. Note the orientation of the brackets.
4. The SATA data and power cords are pre-installed.
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A6
B1
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J1018
J1017
SATA 4 SATA 3 SATA 1 SATA 2
J1014
Reset
SATA Data x4
SATA Power x2