Specifications

C
Appendix
108
Pinouts and Mapping
TheATCA‐46xxCPMpinoutlistingsapplytofrontpanelconnectorsandtheZone1and2
backplaneconnectors.Theonboardheaderpinoutsapplytouser‐accessibleareasoftheCPM
board.
Front panel connectors
Thefollowingsectionsdescribethepinoutsforthefrontpanelconnectors.
COM serial connector
Table 39liststhepinoutforthefrontpanelCOMserialconnector.
Table 39. COM Serial Connector (J6)
Dual USB connectors
Table 40liststhepinoutforeachofthe frontpaneldualUSBconnectors.Notethatseveral
unlabeledconnectionpoints(nearpins1and4)oneachconnectorareconnectionpoints
betweentheplugandconnectorshields.
Table 40. Dual USB Connectors (J10)
Pin# Signal Function
1 RTS Request to Send
2DTRData Terminal Ready
3TXDTransmit Data
4 GND Ground
5 GND Ground
6 RXD Receive Data
7 DSR Data Set Ready
8 CTS Clear to Send
Pin 1
Pin 2
Pin 3
Pin 6
Pin# Signal
1Vcc
2 Data-
3Data+
4GND