Bosch EX49N Installation Instructions Manual page 16

This view shows the location of the optional
Heater Board for the "N" and "ZN" Cameras.
Camera/LED
PTT
Assembly
Mounting
Bracket
VRB
Module
Camera Heater
From Input Power
Board
Terminal Block on VRB Module
FIGURE 2 – 3
Optional Camera Heater for
Camera / LED Array Board Units
9