Pylontech Pelio-L-5.12 Operation Manual page 14

3）USB Port
For manufacturer or professional engineer to debug or service. USB2.0.
4）Power Switch
ON: ready to turn on.
OFF: power off. For storage or shipping.
5）Start Switch
Turn on: press more than 3s to start the battery module.
Turn off: press more than 3s to turn off the battery.
6）WIFI Port
Connect the WIFI block from Pylontech ONLY.
DO NOT connect any other USB device.
7）Link Port 0, 1
For communication between multiple parallel batteries.
8）CAN
500 Kbps. For connection to inverter
9）RS485
9600 or 115200 bps. For connection to inverter
CAN
Pin1~3 NA
Pin4 CAN-H
Pin5 CAH-L
Pin6 GND
Pin7
Pin8
RS485
NA
485A
485B