Vivotek ND9541P User Manual page 19

3. Secure the inner rails to the sides of the chassis using the M4 screws.
4. Secure the L-shape brackets to the front- and rear-ends of outer rails using the black round
head screws and washers. Do not completely tighten the screws yet. Adjust the length of slide
rails by extending and matching the rails between rack posts.
VIVOTEK - Built with Reliability
M4 screws
Locking Clip to the rear
M4 x6
User's Manual - 19