User`s manual

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.