ZyXEL Communications P-870H-51a v2 Quick Start Manual page 12

7. The following are dimensions of an M4 tap screw and masonry plug
used for wall mounting. All measurements are in millimeters (mm).
How to View a Product's Certification(s)
1. Go to www.zyxel.com.
2. Select your product from the drop-down list box on the ZyXEL
home page to go to that product's page.
3. Select the certification you wish to view from this page.
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