本协议适用于采用PL3100系列芯片的载波信道（即载波集中器与载波单元之间）间通讯；本协议内所有数据包的传输采用帧同步格式，标准数据通信速率为500bps。-This Agreement applies to the use of PL3100 series chip carrier channel [ie, carrier-concentrator modules and between the carrier] communication this Agreement, all packe