Cisco 4300 User Manual page 9

Chapter 1 Overview
Figure 1-1
1 Lens opening
2
Focus ring
3
Microphone
OL-19609-04
Front of IP Camera
The IP camera supports a variety of C and CS mount lenses, which
attach here.
For best performance, Cisco recommends that you use a DC auto
iris lens.
Allows you to adjust the back focus of the IP camera.
You must loosen the focus ring hex screw on the bottom of the IP
camera before you can rotate the focus ring. For instructions, see
the "Adjusting Back Focus on the IP Camera" section on page
Captures audio.
There also is a connection for an optional external microphone on
the rear of the IP camera.
Cisco Video Surveillance 4300 and 4500 High-Definition IP Cameras User Guide
IP Camera Physical Details
2-9.
1-3