Lantronix MSS, Reference Manual

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Change RS485 Command Reference
2-42
2.51 Change RS485
Enables RS-485 networking and configures the necessary RS-485 parameters on the MSS-VIA and the
MSS4. RS-485 networking is explained in the Configuration chapter of your MSS installation guide.
Restrictions Requires privileged user status.
Errors Only applies to the MSS-VIA and the MSS4 (the MSS485 is configured via
jumpers).
Parameters Port
MSS4 only. Specifies a particular port or group of ports.
Note:
In the absence of the PortList parameter, the configuration will affect the MSS4’s
current port only.
PortList
Specify a particular port or group of ports. Port numbers are specified with
integers between 1 and 4, and should be separated with commas (for lists) or
dashes (for ranges).
Enabled/Disabled
Enables or Disables RS-485 mode. By default, the MSS is configured for RS-
232 networking.
Mode
When RS-485 Mode is enabled, you must choose either two-wire or four-wire
mode. If you do not explicitly set a mode with this command, the MSS will
default to four-wire mode.
2Wire
Sets the MSS to use two-wire mode.
4Wire
Sets the MSS to use four-wire mode.
Termination
Enable termination whenever you are using long cable runs and Disable it at
other times. Only end nodes should be terminated.
CHANGE RS485 PORT Portlist
DISABLED
ENABLED
 
 
 
MODE
2WIRE
4WIRE
 
 
 
TERMINATION
ENABLED
DISABLED
 
 
 
TXDRIVE
ALWAYS
AUTO
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 