HIKVISION DS-9500 Series NVR, User Manual, Page: 12 / 76

User Manual of DS-9500 Series NVR
9
1.2 Rear Panel
DS-9508NI-S/R:
No. Item Description
1 RESET Press and hold it for 10 seconds to reset all parameters to factory defaults.
2 RS-232 Connect to RS-232 devices.
3 LAN 10/100/1000Mbps Self-adaptive UTP Ethernet interface.
4 eSATA (optional) Backup/extended storage interface, connect to external SATA disk,
CD-RW, disk array, etc.
5 RS-485 Matching
Resistor Switch (SW) Connection of 120-ohm terminator for RS-485 bus. ON=connected;
OFF=disconnected.
6
RS-485 Connect to RS-485 devices, e.g., P/T receiver, etc. Use the T+ and T
－
terminals
of RS-485 interface to connect to the R+ and R- terminals of the receiver.
ALARM IN 16 relay alarm inputs
ALARM OUT 4 relay alarm outputs
7 GND Grounding
8 POWER 220VAC power supply
Note:
Currently the RS-485 interface of DS-9500 NVR is reserved for future use.