Rear Board Description - HIKVISION DS-1000KI User Manual

1.3

Rear Board Description

1------ Dial Switches. The factory default values are "on on off off off off off off
(11000000)".
From the picture we can see the dial switch consists of 8 sub-switches. Now the function of
each sub-switch is following:

Switch 1: When in "on", PORT A full-duplex 485 is changed into half-duplex 485. It
must be used together with Switch 2.

Switch 2: When in "on", PORT A full-duplex 485 is changed into half-duplex 485. It
must be uses together with Switch 1.
 Switch 3: When in "on", PORT A R+, R- add the matching resistance of 120Ω .
 Switch 4: When in "on", PORT A T+, T- add the matching resistance of 120Ω .
 Switch 5: When in "on", PORT B D+, D- add the matching resistance of 120Ω
 Switch 6: "off". Reserved.
 Switch 7: "off". Reserved.

Switch 8: "off". Reserved.
2------ RS485 BUS PORT A ( full-duplex mode SW = 00000000, half-duplex mode SW =
11000000), connecting with KEYBOARD port of DVR.
3------ RS485 BUS PORT B.
4------ RS232 Interface (RJ45).
5------ Network Interface (RJ45).
6------ Alarm output interface.
4 kinds of switches (dry nodes) will output the alarm information. With A and B as a group,
they will turn off when there is an alarm. Otherwise, they will turn on.
7------ 5V DC Socket.
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DS-1000KI Keyboard User Manual
Fig 1.2.1
Page 7