描述
如接线端或导线接触不良，接线端与实际信号不一致，输入信号线接反、松动、脱落，模块与底座接插不良等。人为的错误如将拨码开关位置放错，通信线接线方向错误或终端匹配器未接等。以上问题只要加强日常维修检查，加强人的责任心是可以杜绝、发现、消除的。
Saint-Gobain AstiPure PFD3 333SI Controlled Flow Pump
BRINKMANN LAUDA RC20B RC20 LOW-TEMPERATURE WATER BATH
GDP Space Systems Frame Sync Decommutator FSD001 SGLS
Leybold Type 100P Dry Vac Vacuum Pump CAT#: 13874
Coherent Innova 200 Laser Sys Controller & Power Supply
Texas Instruments TI 505 System 8-Slot Chassis + MORE
Credence PN: 96924122-0E PEC5 Top Level Board
Carr Lane Roemheld 8408-800 SwiftSure Air Power Unit
Beckman JA-13 Rotor, Fixed Angle, 4-Tube, 13,000RPM
MET BEL Metal Bellows MB-601 High Pressure Vacuum Pump
