HIKVISION DS-2CD4012F-A Quick Operation Manual page 11

Network Box Camera·Quick Operation Guide
No. Description
5 Auto-iris Interface
7 Power Outlet
9 Micro SD Card Slot
11 Grounding
13 RS-232
15 Alarm In
17 ABF
 Only the models with "A" in its suffix support ABF function.
 To reset the camera default parameters, you need to press and
hold the RESET button and power on the camera. After the
power on of the camera, you must still press and hold the Reset
button for about 20 seconds.
 The type of auto-iris interface is shown as below figure:
Figure 1-4 Auto-iris Interface
10
No. Description
6 LAN(PoE)
8 Reset
10 Video Out
12 Alarm Out
14 RS-485
16 Audio Out
18 Audio In