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D-Link DCS-3714 User Manual
Configuration
RS-485
You may configure the RS-485 settings or communication specifications (baud rate, data bit, stop bit, and parity bit) for your camera.
RS-485 is a serial communication method for computers and devices. RS-485 is used to control a PAN/TILT apparatus, such as an
external camera enclosure.
Support
PAN-TILT:
Protocol:
ID:
Baud Rate:
Data Bit:
Parity Bit:
Stop Bit:
When
Support PAN-TILT
is enabled, a control panel will be
displayed on the Live Video page allowing control through RS-485
for an external camera enclosure.
Select one protocol type from the pull-down menu.
This ID is the identifier for RS-485 devices. IDs range from 1 to 255.
Baud Rate is a speed measurement for communication between a
transmitter and receiver which indicates the number of bit transfers
per second. A higher baud rate will reduce the distance of the
two devices (transmitter and receiver). Values range from 2400
(default) to 19200 bps.
This value is the number of data bits in a transmission. The data bit
can be 7 or 8 (default).
Parity is a form of error checking used in serial communication. For
even and odd parities, the serial port sets the parity bit (the last bit
after the data bits) to a value to ensure that the transmission has
an even or odd number of logic-high bits. For example, if the data is
011, for even parity, the parity bit is 0 to keep the number of logic-
high bits even. If the parity is odd, the parity bit is 1, resulting in 3
logic-high bits. Parity can be set to
No
(none),
Even
, and
Odd
.
The stop bit is used to signal the end of communication for a
single packet. The more bits used for stop bits, the greater the
lenience in synchronizing the different clocks but the slower the
data transmission rate. The stop bit can be set to 1 or 2. The default
value is 1.
RS-485
Pin Block
