2.10.10.4 Rear I/O Pin Description; Coma And Comb Signal Description - Kontron CP3002-RC User Manual

CP3002-RC/CP3002-RA

2.10.10.4 Rear I/O Pin Description

Serial Ports
The CP3002-RC/CP3002-RA provides two serial ports, COMA (RS-232) and COMB (RS-232/
RS-422), both available on the rear I/O CompactPCI connector J2.
Table 2-7:

COMA and COMB Signal Description

PIN on J2 SIGNAL
B5 COMA_TXD
B9 COMA_RXD
B8 COMA_CTS#
B6 COMA_RTS#
D10 COMA_DSR#
D4 COMA_DCD#
E4 COMA_DTR#
C11 COMA_RI#
D5 COMB_TX-/TXD
D9 COMB_RX+/RXD
D8 COMB_RX-/CTS#
D6 COMB_TX+/RTS#
Note ...
COMB default configuration is RS-422. To select the RS-232 signaling voltage
for COMB, refer to Table 4-8, Control Register 0 (0x282) or via the uEFI BIOS,
"kboardconfig" command.
ID 1039-3625, Rev. 1.0
FUNCTION
TXD serial port (COMA)
RXD serial port (COMA)
CTS signal serial port (COMA)
RTS signal serial port (COMA) CP3002-RC/-RA RS-232 level
DSR signal serial port (COMA)
DCD signal serial port (COMA)
DTR signal serial port (COMA) CP3002-RC/-RA RS-232 level
RI signal serial port (COMA)
TXD serial port (COMB)
TX- serial port (COMB)
RXD serial port (COMB)
RX+ serial port (COMB)
CTS signal serial port (COMB)
RX- signal serial port (COMB)
RTS signal serial port (COMB) CP3002-RC/-RA RS-232 level
TX+ signal serial port (COMB) CP3002-RC/-RA RS-422 level
Functional Description
DRIVEN BY SIGNALING VOLTAGE
CP3002-RC/-RA RS-232 level
RTM RS-232 level
RTM RS-232 level
RTM RS-232 level
RTM RS-232 level
RTM RS-232 level
CP3002-RC/-RA RS-232 level
CP3002-RC/-RA RS-422 level
RTM RS-232 level
RTM RS-422 level
RTM RS-232 level
RTM RS-422 level
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