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