User Manual of NVR2XXX(-P4-P8) Series NVR
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1.5 Rear Panel
Figure 1. 4 NVR2104&2208
Table 1. 6 Description of Rear Panel Interfaces
Connector for LAN (Local Area Network).
Connector for RS-485 devices.
Switch for turning on/off the device.
Connects USB disks and devices.
Ground (needs to be connected when NVR starts up).
HDMI video output connector.
DB9 connector for VGA output. Display local video output and
menu.
BNC connector for audio input. (Also for two-way audio)
BNC connector for audio output.
Figure 1. 5 NVR2204-P4/2208-P8
Connector for LAN (Local Area Network).
Connects to RS-485 devices.
Switch for turning on/off the device.
Universal Serial Bus (USB) ports for additional devices such as USB
mouse and USB Hard Disk Drive (HDD).
Ground (needs to be connected when NVR starts up).
HDMI video output connector.
DB9 connector for VGA output. Display local video output and menu.
RCA connector for voice talk input
RCA connector for audio output