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4
5.4
Configuring the dipswitches
The Long-Range Termination dipswitches can configure 120 Ohm termination for
RS422 / 4-wire RS485 / 2-wire RS485. Set the dipswitches according to the
following table.
Dipswitch 1
Dipswitch 2
Configuration
ON
ON
120 Ohm terminator for long distance 4-wire RS485 / RS422
ON
OFF
Don’t use this setting - it will cause errors!
OFF
ON
120 Ohm termination for long distance 2-wire RS485
OFF
OFF
(Default) No termination for RS232/422/485 (short distance)
6. Configuring the PX Serial unit
The PX Serial unit can be managed by a Web interface, providing secure SSL
communication over the internet. The PX Serial comes with the default IP address
192.169.10.2 - this appears on the underside of the PX unit.
To display the Web interface:
1. Open your Web browser.
2. Type in the IP address of the PX Serial and press
Enter
.
Note!
The IP address
must begin with https:// and not http://. The web interface appears, see Figure 3.
Bookmark it for easy reference.
Figure 3 Overview page
The Overview page gives details of the current IP address, MAC address and
firmware version. The MAC address is also shown on the underside of the unit.
From the menu click Server Configuration to display a sub-menu.
