其實你仔細閱讀pdf檔說明
裡面已經說了,電源是用Rolls PS12
查一下就查到
Rolls PS12 Power Supply Description:
The Rolls PS12 is a Power Supply for certain Rolls Equipment. The PS12 is a 12V A/C wall wart power supply with 800 mA and a Female connector. The Rolls PS-12 model is mostly used with the Rolls Bellari AP129.