终端对时对于绝大多数数据同步单元来说是一种通用特性，它允许模块通过外部源进行对时。利用终端对时特性，按照如下连接即可实现双通道：在通常模式中，来自多路复用器? 数据模块 1 的发送定时输出连接到 UR–RS422 接口的时钟输入上，同时，数据模块 1 的发送定时输出也将并联到数据模块 2 的终端对时输入上。
ROCKWELL 31D102 E W/ 1B 1/4” JACOBS CHUCK PISTOL GRIP
INGERSOLL-RAND 7803R JACOBS CHUCK DRIVE REVERSIBLE PIST
ROCKWELL ?6201 1/4” HEX DRIVE PISTOL GRIP PNEUMATIC DR
GRACO 164251 PISTON HOUSING, LOT OF 21, IN BAG
ALLEN BRADLEY 836T-D453J PRESSURE CONTROL SWITCH, NNB
AEG MCBS 103 G CIRCUIT BREAKER, NIB
AEG MCBS 103 F CIRCUIT BREAKER, NIB
AEG MCBS 103 H CIRCUIT BREAKER, NIB
LINEMASTER TWIN 88SH1-05 125/250 VAC CLASSIC IV FOOT SW
ANALOG DEVICES 8 CHANNEL BACKPLANE 3B02 IN BOX
POWER-ONE MAP130-1024 POWER SUPPLY, NIB
FUJI BU2EHC-015L 15A 480VAC 2P AUTO-BREAKER, NIB
SCHNEIDER ELECTRIC 170INT11000 PROCESSOR ADAPTER, NIB
PROPORTION-AIR SJ01718-A040 0 TO 100 PSIG TRANSDUCER VA
