Kontron COMe Eval Carrier QorIQ - Manual (Page 24)

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Quick Start Guide
COME-QEC-1
SerDes transmit-
ter differential
pair, Lane 2 SERDES_TX16+ SLOT4_SD_TX[2]+ 23 23 GND Ground
SERDES_TX16- SLOT4_SD_TX[2]- 24 24 GND Ground
Ground GND 25 25 SLOT4_SD_RX[2]+ SERDES_RX16+ SerDes receiver
differential pair,
Lane 2
Ground GND 26 26 SLOT4_SD_RX[2]- SERDES_RX16-
SerDes transmit-
ter differential
pair, Lane 3 SERDES_TX17+ SLOT4_SD_TX[3]+ 27 27 GND Ground
SERDES_TX17- SLOT4_SD_TX[3]- 28 28 GND Ground
Ground GND 29 29 SLOT4_SD_RX[3]+ SERDES_RX17+ SerDes receiver
differential pair,
Lane 3
Not connected NC 30 30 SLOT4_SD_RX[3]- SERDES_RX17-
Not connected NC 31 31 GND Ground
Ground GND 32 32 NC Not connected
Table 9: SLOT 4 Connector J20 Pinout (Continued)
COMMENT
COM EXPRESS
CONNECTION
SIGNAL
PIN SIDE
SIGNAL
COM EXPRESS
CONNECTION
COMMENT
B A