Contents
Overview ....................................................................................................................................................... 3
Features .................................................................................................................................................... 3
Specifications ............................................................................................................................................ 3
PCI Express .................................................................................................................................................... 3
Adapter Cables .............................................................................................................................................. 4
Signal Specifications ...................................................................................................................................... 5
Single Ended Signals (RS-232/V.28) .......................................................................................................... 5
Differential Signals (RS-422/RS-485/V.11) ................................................................................................ 5
Clock Polarity ............................................................................................................................................ 6
Serial Interface and Termination Selection .................................................................................................. 7
Serial Connector Pin Assignments ................................................................................................................ 8
RS-232 ....................................................................................................................................................... 8
V.35 ........................................................................................................................................................... 9
RS-422/RS-449/RS-485/RS-530 ............................................................................................................... 10
X.21 ......................................................................................................................................................... 11
General Purpose I/O Signals ....................................................................................................................... 12
Frequency Synthesizer ................................................................................................................................ 13