Longshine LCS-844MT - Manual (Page 20)

16
Serial Connection
This Device Server features DIP switches on the rear
panel that sets the unit to the correct type of cable
configuration to support
connection with a RS-232 /
422 / 485 device.
Definition of DIP Switches
No Dip description Default
1 ON: Console / OFF: Data OFF
2 RS-232 ON
3 RS-422 / 485 (4W) OFF
4 RS-485 (2W) OFF
5 NA OFF
6 NA OFF
7 TMR (Terminator) OFF
For setting the control function of the serial port, see
the table below:
DIP 1 Serial Connection
ON RS-232 Console
OFF Data Communication
NOTE:
1. If using console mode turn the DIP Switch 1 to ON position.
For data communication from the serial device keep the switch
to OFF position. In case of ON position data communication
will be blocked and at OFF position console port access.
2. For some RS-422/485 devices, which may not be designed to
provide DB-9 connection, please check the pin definition to
connect the devices.
3. For the first time installation, you have to use console mode to
setup the IP and TCP port configuration with RS-232 cable.