eLine Technology ECO3 User Manual - Manual (Page 20)

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User Manual
1. In the DVR menu: “ COM Setup”, to the corresponding device type to the serial keyboard,then setup the protocol,baud ra te,address code.
2. Connect with the power supplier.
3. Connect between RS485+ of the keyboard and RS485+ of the DVR, also RS485- of
the keyboard and RS485- of the DVR.
4. Shift keyboard mode to DVR mode, input corresponding address code, then you can
control DVRs.
The detail set of keyboard can refer to the user manual of keyboard.
3.3.7 Intercommunication Port
3.3.5 RS-485 Connection
3.3.6 Keyboard Controlling
If you want to unify control more than one DVR, you have to use the series keyboard (we suggest user using one series keyboard to control
more than one DVR in the same model). The function of the keyboard is the same with the remote contr oller (Note: the keyboard must be added
with the protocol from our company and go through the test of our company). Take the RS485 interface series keyboard for example:
Attentions for PTZ decoder connection:
1. Confirm that the PTZ decoder and Net DVR are one point ground connected, or common mode voltage m ight exist to cause the PTZ invalid.
2. Prevent high voltage inroad, carefully dispose connection cables secure thunder proof.
RS485:For PTZ control, series keyboard and transparency port connection.
There is a voice input port on the back panel, which is used to connect the extral power microphone.
3.3.8 Front panel decription