信息终止每个站监控字符之间的时间。当一个三个字符时间的周期过去了，仍然没有接收到字符，那么信息结束是假的。采用下一个接收的字符作为一个新信息的开始。当首先发生下面两个事件之一，帧结束出现:接收的字符数等于计算的帧的长度。一个四个字符时间的长度过去了，没有接收到字符。暂停用法.
SCI PC Decade Board 080-2484, 180-2484 #37851
Omron CPU Base Unit C200H-BC081-V2 #17334
Dwyer Pressure Switch 1950-P8-2F #30540
Dwyer Pressure Switch 1950-P8-2F #30539
28 National Carbon Brushes, ACI B107, #3587
Lot of 29 EMI Plastics Nipple GSV-02AF #16598
Crouzet Impulse Generator 81507540 #19255
Banner Fiber Optic Cable BT25S ** #17367
Numatrol Valve PB5-0002 #32496
Allen Bradley 1746-IA16, Series C, 50/60 Hz #34280
SCI Circuit Board 080-2424-2 180-2345 Rev B / E #25231
Allen Bradley Selector Switch 800MB-NX48, Series A #381
Siemens Power Supply 6EP1 332-2BA00 #34570
Efector Proximity Switch KG3500 #35914
Numatics Valve 2JLSAD3, .43 Amps 120 Volts, #2276
Ross Decco Solenoid 183B04 #29025
Cutler Hammer Proximity Switch E57LAL30T111E #37293
IFM Efector Photoelectric Sensor OG5098 #23169
Bimba Hall Effect Switch HSCQCX-09 ** #17556
