描述
节点总线的传送介质一般为同轴电缆,有的采用令牌信号传送方式,有的采用带冲突检测的确良多路送取争用总线信号传送方式。不论采用哪种方式,当总线的干线任一处中断时,都会导致该总线上所有站及其子设备通讯故障。
NEW FLEX-A-SEAL 2230X01C1RS1, 1-3/8″ STYLE 30 CARTRIDGE
NEW PACIFIC SCIENTIFIC 1.8 STEP MOTOR E33HCHP-LNK-NS-00
NEW TIMKEN BEARING INNER CONE JM734449 & OUTER CUP 410
NEW WESTINGHOUSE HFD3070 CIRCUIT BREAKER 3 POLE
NEW FLEX-A-SEAL 2830X01C1RS1 STYLE 30 CARTRIDGE, 1-3/4″
NEW NATIONAL INSTRUMENTS P/N 778926-01 IEEE 1394 BOARD