EverFocus EDR-920 - Manual (Page 143)

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15. Interface Specifications
RS485
This Digital Video Recorder may be controlled by a computer or control keyboard
(EKB500) via the RS485 interface. Pin definition of RS-485 connector on DVR back panel
is shown in the following picture.
15.1 Transmission Setting
There are 6 different speeds that can be used to transmit instruction or information through
the RS485 port on the device, 1200 baud, 2400 baud, 4800 baud, 9600 baud, 19200 baud,
and 3840 baud. The default setting from the factory is 9600 baud.
Chapter
15
Pin 3: RS-485 +
Pin 6: RS-485 -
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