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40D-Link DCS-3710 User Manual
Conguration
RS-485
You may congure the RS-485 settings or communication specications (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 identier 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