隔离，这是抗干扰的主要措施。PLC的输人、输出接口电路一般采用光电耦合器来传递信号。这种光电隔离措施，使外部电路与内部电路之间避免了电的联系，可有效地抑制外部干扰源对PLC的影响，同时防止外部高电压串人，从而减少故障和误动作。
Agilestar - GP-XFP-W54 - For Force 10 Networks - NIB
Agilestar - GP-XFP-W58 - For Force 10 Networks - NIB
Agilestar - GP-XFP-W21 - For Force 10 Networks - NIB
Agilestar - 10125 - For Extreme Networks - New in Box
Agilestar - AS-X2-10G-ZR - For Agilestar - New in Box
Agilestar - AS-XEN-10G-ZR - For Agilestar - New in Box
Agilestar - OC192-XFP-LR2-AS - For Foundry - New in Box
Agilestar - DS-X2-FC10G-ER - For Cisco - NIB
Agilestar - 3HE00410AA - For Alcatel-Lucent - NIB
Agilestar - FIM82020 - For Fujitsu - New In Box
Agilestar - ONS-XC-10G-44-5 - For Cisco - NIB
Agilestar - GP-XFP-W34-AS - For Force10 - New in Box
Agilestar - GP-XFP-W38-AS - For Force10 - New in Box
Agilestar - GP-XFP-W40-AS - For Force10 - New in Box
Agilestar - GP-XFP-W52-AS - For Force10 - New in Box
Agilestar - ONS-SC-2G-42.9-AS - For Cisco - New in Box
