·WS21522,WS21522A,WS21522B,WS21
·WS21525,WS21525A,WS21525B,WS21
·WS2025,WS2025A输出环路供电隔离
·WS2022,WS2022A,WS2022B,WS2022C
·WS9030输入环路/输出环路供电隔离
·WS1562,WS1562A,WS1562B,WS1562C
·WS9050/WS9010,WS9050A1,WS9050A
·WS9050I/WS9010I,WS9050IA1,WS90
·WS9020,WS9020A1,WS9020A3,WS902