Functional Description
The following table describes the signals of the J3 connector.
Table 2-26: CompactPCI Rear I/O Connector J3 Signals
SIGNAL
SPA
COMA signaling (RS-232)
SPB
COMB signaling (RS-422/RS-232)
Graphic signaling
VGA
USB0 to USB3
USB Port signaling
SPEAKER
Standard PC speaker
FAN
Fan speed sensoring
DEBUG
Debug output
LPa
Rear I/O Link Port A (PICMG 2.16)
LPb
Rear I/O Link Port B (PICMG 2.16)
LPab
Center tap voltage for LPa and LPb
LPc
Rear I/O Link Port C
LPd
Rear I/O Link Port D
LPcd
Center tap voltage for LPc and LPd
GPIO
General purpose digital input/output; 3.3V only
Note ...
On the CP6003-RA, COMA can be used either on the front panel or on the
rear I/O. It is not possible to use COMA on the front panel and on the rear I/O
simultaneously.
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DESCRIPTION
CP6003-RA/RC
ID 1046-3890, Rev. 1.0