[{"title":"( 6 个子文件 5.65MB ) 消防二总线","children":[{"title":"POWER BUS","children":[{"title":"POWER BUS主资料","children":[{"title":"从站芯片-PB331_v1.4.pdf <span style='color:#111;'> 1.11MB </span>","children":null,"spread":false},{"title":"主站芯片-PB620_V1.1.pdf <span style='color:#111;'> 1.32MB </span>","children":null,"spread":false}],"spread":true},{"title":"主站测试评估板 -EV721_REV.B.pdf <span style='color:#111;'> 1.18MB </span>","children":null,"spread":false},{"title":"从站测试评估板 转485信号板EV331_485_REV.A.pdf <span style='color:#111;'> 678.22KB </span>","children":null,"spread":false},{"title":"从站测试评估板 转TTL信号板-EV331_TTL Rev.C.pdf <span style='color:#111;'> 664.89KB </span>","children":null,"spread":false},{"title":"主站芯片模块-EV620_REV.A.pdf <span style='color:#111;'> 1.13MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]