User`s manual

Table Of Contents
User’s Manual
82 System Information and Administration
RS-485 Port Settings
The RS-485 Port Setting menu allows the Administrator to set up the parameters of
the RS-485 communications port. From the RS-485 Setup menu, select RS-485 Port
Settings and press Enter. The following menu is displayed:
Items in the RS-485 Port Settings menu are described in the following table:
Dome Protocol
The Dome Protocol menu enables the Administrator to configure the dome protocol
and dome ID for dome control operations. The DigiMux supports the RS-422
communications protocol. Domes that use this communication protocol include
American Dynamics SpeedDome series and Pelco P and D domes.
NOTE: Dome Protocol refers to the communications protocol, not to dome hardware
configuration or setup. For details regarding dome configuration and setup,
refer to your dome camera’s documentation.
RS-485 Port Settings
1 Baud Rate 4800
2 Bits 8
3 Stop 1
4 Parity None
MENU ITEM DESCRIPTION
Baud Rate Allows you to specify the baud rate for the RS-485 port. Baud rate
selections are 2400, 4800, 9600, 19200, or 38400. The default is
4800 baud.
NOTE: Remote devices, such as keyboards, that connect to the
DigiMux unit via the RS-485 port must be set to the same
baud rate as the DigiMux.
Bits Allows you to specify the bits in a word that are associated with
this protocol. Selections are 6, 7, or 8 bits. The default is 8 bits.
Stop Allows you to specify the stop bit associated with this protocol.
Selections are 1 or 2 stop bits. The default is 1 stop bit.
Parity Allows you to specify the parity associated with this protocol.
Selections are ODD, EVEN, or NONE. The default is None.