B&B Spectre, Руководство пользователя

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Example of a PC connection to the router:
Fig. 21: PC connection to router

Cable KD2 is connected to serial port PC (example COM1)
Example of the RS-232 equipment connection to router (possibility to use all RS-232 ports):
Fig. 22: RS-232 equipment connection to router
5.7.2 RS-485/422 PORTS
The RS-485/422 ports can be powered using the internal 3.3V supply or by connecting an external
power supply to the port connector. External or internal power is selected by jumpers J2 and J3 on
the RS-485 module daughter board. To use internal power, place jumpers J2 and J3 across pins 2 and
3. To select external power, jumpers J2 and J3 must be on pins 1 and 2.
Interface behavior of module Expansion port RS485/RS422 can be made by wiring Jumpers J4, J5 and
J6 on the RS-485 module select the mode of the port – either RS-485 or RS-422 mode. If RS485 is
required, jumpers J4 and J5 must be connected and jumper J6 disconnected. If RS422 is required,
jumpers J4 and J5 must be disconnected and jumper J6 connected.
Jumper placement can be seen in the picture below (RS-485 module is viewed from the top).
Internal power supply should only be used in the event that it is not possible to provide an external
power supply.