Product Description

2.4.6.1 RS232 standard interface connector

The connector mounted in the BG864-2.4 is a standard RS232 Sub-D 9pin female with the following

characteristics:

 Baud rate from 300 to 115.200 bit/s

 Autobauding (300 to 38.400 bit/s)

Pin-out (refers to DTE side):

Signal

Description

1 - NC

2 RXD RX Output

3 TXD TX Input

4 - NC

5 GND GROUND

6 - NC

7 - NC

8 - NC

9 - NC

Table 3 – serial port pin-out

To connect to a host controller, a pin-to-pin 9pin cable with D9 type connectors on both sides is

needed (1 male & 1 female). Shielding of this cable is recommended and its length shall not exceed

3 m.

2.4.7 Mini USB type connector

Pin-out of Mini-USB connector is shown in the following table:

Signal

USBCNX /

Charger Power Supply

2 DDM

3 DDP

4 -

5 GND

Table 4 – Mini USB pin-out

(FRONT VIEW)

Figure 5 - Mini-USB connector front view