Serial/0支持的COMM_ REQ功能块不被当前现有的协议支持(像SNP从和RTU从等)。如果这些COMM_ REQ功能块被用于一个由不支持COMM_ REQ功能块的协议配置的端口，送回错误信息。这个功能为传统应用程序提供兼容性。在PACSystems Serial I0的执行中，内部输入缓冲器总是设为2K字节。

HITACHI COLOR CAMERA HVC10A CCD WITH VICON V6033BPT

Tau-Tron S5200E DS3 Digital Transmission Test Set opt11

Tau-Tron S5200E DS3 Digital Transmission Test Set

Circuit Breaker Box – 5 Single Pole P/N 12307070 !

Hewlett Packard 8175A Digital Signal Generator

Agilent/HP 9000 / 300 Mainframe Controllers; Lot of (5)

Agilent Technologies E1852B Bluetooth Test Set

Cat Pumps Engine Coolant Pump – #430 – P/N 40144-1

Spirert Abacus BCG Subsystem

Hewlett Packard 54502A Digitizing Oscilloscope

Fractional G.703/G.704 Interface Module Model 5500B-836

16702A Logic Analyzer Opt 003, ALD-232, All Cables Show

Pallet Stop Assembly 12339ASSY 00618-1 NSN 167001436

Wandel & Goltermann Pegelmesser level meter SPM 31

Agilent HP 70004A. COLOR DISPLAY AND MAINFRAME

Wiltron Model 506A Scalar Network Analyzer

Electrical Plug Connector – P/N 2920063-515DS Mil Spec

Electrical Plug Connector – P/N 2920072503090 Mil Spec