User manual
18
Digital Video Recorder User Manual
2.3.5 Rear Panel Description (SA-4100HD(1U))
The rear Panel interface for 4-ch is shown as Fig 2.5:
Fig 2.5 Rear Panel Description (SA-4100HD(1U))
Item Name Description
1 P/Z Connect to speed dome (RS485 PTZ cameras and keyboard)
2 K/B Connect to keyboard
3 ALARM IN Connect to external sensor1-4
4 HDMI port Connect to high-definition display device (optional)
5 NET Network port
6 VGA port VGA output, connect to monitor
7 Video out Connect to monitor
8 Audio in 4 CH Audio input
9 POWER SWITCH Power on/off
10 + 5V and GND +5 V and Grounding
11 ALARM OUT 1-ch relay output. Connect to external alarm.
12 USB port external USB devices (USB flash, USB HDD for backup or update firmware) or connect to USB mouse
13 Spot out Connect to monitor as an AUX output channel by channel. Only video display, no menu show
14 Video in Video input channels from 1-4
15 Audio out Audio output, connect to the sound box
16 POWER INPUT DC12V
17 FAN For cooling the device










