SAJ R5-5K-S2 - Chapter 6 Debugging Instructions

R5 Series
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Figure5.16 RS232 pin
Pin Number
Description
Effect
1
+7V
Power supply
2
RS-232 TX
Send data
3
RS-232 RX
Receive data
4
GND
Ground wire
Table 5.7 USB pin port definition
1. USB interface could be externally connected with eSolar GPRS/4G module, for
operation in details please refer to eSolar GPRS/4G module quick installation guide.
2. USB interface could be externally connected with eSolar WiFi module, for
operation in details please refer to eSolar WiFi module quick installation guide.