CompactPCI Bus Connectors (J1 and J2)
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5-5
5
Serial COM
Ports (1 and 2)
COMx_CTS-
Clear to send
COMx_DCD-
Data carrier detected
COMx_DSR-
Data set ready
COMx_DTR-
Data terminal ready
COMx_RTS-
Request to send
COMx_RXD
Serial receive data
COMx_TXD
Serial transmit data
COMx_RI
Ring Indicator
General
GND
Ground plane
+/-3.3V, +/-5V
Power
PMC2 I/O
PMC2IO [1 to 64]
PMC channel 2 I/O signals 1 through 64
PMC VIO
VIO
PMC VIO power (+3.3V)
Table 5-4. Signal Descriptions for Backplane Connector (J3)
Signal
Signal Mnemonic
Signal Description