Description
PLC系统的通信接口应包括串行和并行通信接口（RS232C/422A/423/40）、RIO通信口、工业以太网、常用dcs接口等；大中型PLC通信总线（含接口设备和电缆）应1：1冗余配置，通信总线应符合国际标准，通信距离应满足装置实际要表
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Crossroads ServerAttach SA40 Router FC to HVD SCSI
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Cisco Pirelli T31 Module ONS15531 ONS15532 800-09936-01
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Juniper XENPAK-1XGE-ZR pluggable 10GBASE-ZR optics mod
