Instruction manual

Camera Parts

& Connections

Siemens Building Technologies

Fire Safety & Security Products 03. 2005

8. External control terminal: (From right to left) 

Pin Pin Definition Description

1 Data +

2 Data –

RS485 signal

3 Alarm IN

4 GND

If the alarm IN & GND are shorted, the alarm function will be active.

(Please set ALARM FUNC to ON in OSD menu.)

5 Alarm OUT

6 COM

Alarm output circuit.

7 B/W

8 C/L

9 GND

If D/N MODE set in manual mode, this function will be enabled. If

B/W & GND are shorted, the video signal is monochrome. If C/L &

GND are shorted, the video signal is color.

9. Y/C terminal ⑨

10. Video/ DC lens selection ⑩

11. OSD control button ⑪

12. PC connection port: For factory testing only; the user is not recommended to

use this function. ⑫

6.2 Connector Pin Definitions

IRIS pin assignment

Video Lens DC Lens

1. +12V 1. Damp-

2. NC 2. Damp+

3. VIDEO 3. Drive +

4. GND 4. Drive-

Y/ C terminal

1 GND

2 GND

3 Y (luminance, 1 Vpp, 75 Ω)

4 C (chrominance, 0.3 Vpp (burst), 75 Ω)