Hardware Description; Serial Port Configuration; Dip Switches - VSCOM NetCom Plus 113 User Manual

3 Hardware Description

3 Hardware Description
This section focuses on the options provided by the hardware of NetCom Plus Serial Device
Servers.
3.1 Serial Port Configuration
The serial ports in the NetCom
it is also possible to use the serial ports in RS422 or RS485 mode. This is defined by a set of
DIP switches or by software. Here is a list of the available modes and the switch settings. Table
shows the DIP positions. The light end is the position where the switch is pushed to.
Warning: a bad configuration may cause serious damage in the NetCom
Line Mode, Comment
Configuration via Serial Port
Factory Settings
Selected by Software
RS232 Operation
4-wire Operation
4
RS422
4-wire with Rx-Termination
4-wire Operation
4 5
RS485
4-wire with Rx-Termination
2-wire Operation
2-wire with Termination
September 2016
+
Devices follow the specifications of RS232. On many models
Off (Bottom)
(a) DIP Switch Description
1
2
3
(b) DIP Switch Configurations
Table 15: DIP Switches
NetCom Plus User Manual
+
On (Top)
S1 S2 S3 S4
Off Off Off Off
Off Off Off On
Off Off On On
On Off Off Off
On Off On Off
On Off On On
On On On Off
On On On On
On On Off Off
On On Off On
or the connected device.
Switch Positions
15a
22