SENA Parani-SD1100 - Manual (Page 14)

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3.6. Dipswitch
With the combination of 4 slot dipswitches, RS422/485 select, Termination resistor on/off, RS485 echo
on/off and UART configuration can be set.
Figure 3-1 The Parani-SD1100 Dipswitch
Table 3-4 RS422/485 Select by Dipswitch
RS422 ↔ RS485
422 485
Table 3-5 Termination Resistor Select by Dipswitch
Termination R Off ↔ On
Off On
Table 3-6 RS485 Echo Control by Dipswitch
RS485 Echo Off ↔ On
Off On
Table 3-7 UATR Configuration by Dipswitch
9600-8N1 ↔ SW Config
9600-8N1 SW Config
* Note 1: You can set the Parani-SD1100 to of the default UART configuration of 9600-8N1 by way of
the Dipswitch. If you want to use other than the default UART configuration, please configure the
dipswitch to SW Config setting and use ParaniWIN or AT commands. Please refer to 3.9. ParaniWIN
and Appendix B.3.4. AT+UARTCONFIG, Baudrate,Paraty,Stopbit.
*Note 2: If you use 485 Echo option when you use both master and slave units as SD1100, then it may
cause data loss or conflict with various control messages such as AT response messages, i.e. OK,
ERROR, CONNECT, DISCONNECT. Please refer to Appendix C.5. S10: Enable Response Message
and turn off the corresponding option.
3.7. Pairing Button
Parani-SD1100 provides Pairing Button for instant configuration without a PC to make an automatic
connection between two Parani-SD1100s. In this example we will refer to the two Parani-SD1100s as
SD1 and SD2. (Only single connection mode)