EverFocus EZ550 - Manual (Page 12)

C H A P T E R 2 I N S T A L L A T I O N
7
1.6 Back Panel Layout
1. Video Output Connector
Connect the video output of the camera to a color monitor or other video devices through
a 75 Ohm type coaxial cable with BNC female connector at backside of the camera.
2. Power Input Terminal
Connect the appropriate power to each model. N/L is used to connect to power in. PE is
a ground pin.
3. RS-485 communication and External IR power control pin
PIN definition:
a. TXD (RS485 +): for keyboard controlling.
b. RXD (RS485-): for keyboard controlling.
4. Power for IR illuminator
Referring to above figure, pin 12VDC and GND are defined as below:
a. GND: Ground
b. 12VDC: provide power source for IR illuminator (IR illuminator is optional).
110V~240VAC model (for
110V ~240V Power only) 24VAC model (for 24VAC
Power Only)
C H A P T E R 1 P R O D U C T O V E R V I E W
485-
485+
GND
12VDC
1
4
3
6
2
7
3
2
5
4
6
7
1
5