Comtrol Cable User Manual
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[Documentation number: 2000430 Rev B] 3
Contents
Overview .......................................................................................................................................................... 5
RS-422 Pinouts ............................................................................................................................................... 5
Standard Comtrol Cables ............................................................................................................................ 5
DTE versus DCE............................................................................................................................................. 6
Null-Modem Cables.............................................................................................................................. 6
Data-Only Null-Modem Cables ........................................................................................................... 7
Control Loopback Cables ..................................................................................................................... 7
Requirements .............................................................................................................................................. 9
DB9 Pinouts ................................................................................................................................................ 9
DB9 Loopback Plugs................................................................................................................................. 11
Requirements ............................................................................................................................................ 12
DB25 Pinouts ............................................................................................................................................ 12
DB25 Loopback Plugs............................................................................................................................... 14