Edimax Technology IR-123E - Manual (Page 47)

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Here are the descriptions of every setup item:
Item Description
Enable RS-485 Check this box to enable RS-485 functionality.
Use Pelco-D Select this option and RS-485 interface will output pan-tile
control signal in Pelco-D format. This format is widely
accepted by most of pan-tilt camera cradles.
You have also input pan-tilt camera cradle’s address code
in ‘Address’ field (number must be between 0~255). This
code must be identical to pan-tilt camera cradle’s address
code.
Use Custom
Protocol When the pan-tilt camera cradle does not support Pelco-D
protocol, you can define a protocol’s detail by this function.
Please refer to pan-tilt camera cradle’s user manual to
define the protocol.
- Baud Rate: Select data baud rate of RS-485 interface
that pan-tilt camera cradle will accept. When the
length of RS-485 connection is very long (longer
than 200M), it’s not recommended to use high
speed connection (greater than 2400bps).
- Data Bits: Select data bits of RS-485 connection.
- Parity: Select parity bit: odd, even, or space.
- Stop Bit: Select stop bit: 1 or 2.
- Home/Up/Down/Left/Right: Input the command
string used to move pan-tilt camera cradle to home
or up/down/left/right position. You can click ‘Test’
button to send command string for testing.
- Command 1 ~ 5: You can define extra pan-tilt
camera cradle control strings here by giving it a
name (Command Name) and command string
(Hexadecimal Message). You can also click ‘Test’
button to send command string for testing.
When you finish with above settings, click ‘Apply’ button to save changes.