Digisol DG-SC5800PI User Manual page 49

Here is the description of every setup item:
Item
Enable RS-485
Use Pelco-D
Use Custom
Protocol
When you finish with above settings, click 'Apply' button to save changes.
Description
Check this box to enable RS-485 functionality
Select this option and RS-485 interface will output pan-tilt
control signal in Pelco-D format. This format is widely
accepted by most of pan-tilt camera cradles.
You can also input pan-tilt camera cradle's address code in
'Address' field. This code must be identical to pan-tilt camera
cradle's address code.
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.
1 -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).
2 - Data Bits: Select data bits of RS-485 connection.
3 - Parity: Select parity bit: odd, even, or space.
4 - Stop Bit: Select stop bit: 1 or 2.
5 - 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.
6 - 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.
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DG-SC5800PI User Manual