Notice
It's required to have RJ11 jumper connected to the single battery
module, or to the master battery module when working in parralel with
multiple modules for normal operation.
Step 2 (If multiple battery modules are in parallel):
Insert RJ11 cable to connect the extension port of the master battery
module. The other end connects to the extension port of the #2 battery
module. If there are more battery modules are connected in the system,
repeat this step to connect more battery modules.
19