OSHD-410H & OSHD-810 & OSHD-1610
Install & User Manual - Firmware 3.X 25
Connecting Serial Port for Transparent device
This is function to support direct connection between serial port of PC and COM port of DVR and this is for
development of Application throughout SDK.
This is not used in general case so please contact customer service for more details about this function
Serial communication port diagram
<Note>
Single device connection per each COM port is recommended. To connect multi devices to single port requires
specialized knowledge and without this, it could lead to malfunction of device.
Single serial port can have one PTZ protocol so PTZ protocol can be set in Serial Port menu and PTZ address
can be set in camera menu.
Text Device
Keyboard Device
COM1
RXD
TXD
GND
TX
RX
GND
Keyboard Device
Dome Camera
PTZ Receiver
COM2
COM3
TR+
TR-
GND
TR+
TR-
TR+
TR-
GND
TR+
TR-
2.2.5.7.
Configuring an extension of PTZ & Keybaord
It is available to connect up to 255 DVR using keyboard controlling all buttons of DVR & channels which are
connected with PTZ. Also, multiple keyboards extension as Slave can be used limitless with Master Keyboard.
In ths case, Master Keyboard has priority for all controls. Please refer the instruction manual for PTZ keyboard
connection & its way of control which comes with PTZ/ Keyboard.
Confituration using 2 serial ports
In case user use 2 serial ports, user can control PTZ(DOME) using Keyboard by connecting PTZ(DOME) and
Keyboard device to COM2 and COM3.
The below diagram represents configuration of multi DVRs with PTZ(DOME). To control PTZ(DOME) using
keyboard, please select DVR ID then select camera for control.
Control device
Connection device
Keyboard (Master/Slave)
All DVRs can be controlled, All PTZ(DOME) can be controlled
DVR
PTZ(DOME) directly connected to DVR can be controlled
