HIKVISION DS-96000NI-I16 Series: DS-96000NI-I16/H Series User Manual page 26

10 Alarm in
Alarm out
RS-485
KB
11 GND
12 Power supply
modules
13 Decoding
board
Network Video Recorder User Manual
Connector for alarm input.
Connector for alarm output.
Connector for RS-485 devices.
Connector for keyboard.
Ground (needs to be connected when NVR starts up).
Only one power supply module is provided by default. Two
power supply modules are optional for redundancy.
Decoding board. Only available for DS-96000NI-I16/H and
DS-96000NI-I24/H.
25