Peripheral Interfaces; Ethernet; Serial Ports; Debug Port - Bradford White BWCADAPTER User Manual

BWCADAPTER
4 P I
ERIPHERAL NTERFACES
This section describes the interfaces of BWCADAPTER. The below figure shows the available interfaces
of BWCADAPTER. Figure 4 describes the peripheral interfaces of BWCADAPTER pictorially.

Figure 4 Interfaces on BWCADAPTER

4.1 Ethernet

The BWCADAPTER has 1 x RJ45 Ethernet port for GEA2 protocol to connect the water heater control unit.

4.2 Serial Ports

The BWCADAPTER supports RS-485 ports. Serial port access is possible through a terminal block
connector on the top front end side of the BWCADAPTER unit.

4.3 Debug Port

The BWCADAPTER has an inbuilt debug UART port with six pins. Debug is only possible if the user can
access BWCADAPTER PCBA. It is to be noted that the UART signaling occurs at 3.3V logic levels and the
pins are not 5V tolerant. A user can enter the debug prompt on a PC/Mac using a normal 3.3V logic USB
to UART converter.
Bradford White - Confidential Page 14 of 23
Rev 3.0.|27-Aug-20