Kontron COMe Eval Carrier QorIQ - Manual (Page 20)

www.kontron.com 20
Quick Start Guide
COME-QEC-1
Ground GND 18 18 GND Ground
SerDes transmit-
ter differential
pair, Lane 1 SERDES_TX5+ SLOT2_SD_TX[1]+ 19 19 NC Not connected
SERDES_TX5- SLOT2_SD_TX[1]- 20 20 GND Ground
Ground GND 21 21 SLOT2_SD_RX[1]+ SERDES_RX5+ SerDes receiver
differential pair,
Lane 1
Ground GND 22 22 SLOT2_SD_RX[1]- SERDES_RX5-
SerDes transmit-
ter differential
pair, Lane 2 SERDES_TX6+ SLOT2_SD_TX[2]+ 23 23 GND Ground
SERDES_TX6- SLOT2_SD_TX[2]- 24 24 GND Ground
Ground GND 25 25 SLOT2_SD_RX[2]+ SERDES_RX6+ SerDes receiver
differential pair,
Lane 2
Ground GND 26 26 SLOT2_SD_RX[2]- SERDES_RX6-
SerDes transmit-
ter differential
pair, Lane 3 SERDES_TX7+ SLOT2_SD_TX[3]+ 27 27 GND Ground
SERDES_TX7- SLOT2_SD_TX[3]- 28 28 GND Ground
Ground GND 29 29 SLOT2_SD_RX[3]+ SERDES_RX7+ SerDes receiver
differential pair,
Lane 3
Not connected NC 30 30 SLOT2_SD_RX[3]- SERDES_RX7-
EXCD0_CPPE# sig-
nal to COME mod-
ule, PRSNT# card
detect signal to
carrier glue logic,
8k2 PU on carrier
to V_3V3_STDBY EXCD1_CPPE# EXCD1_CPPE# 31 31 GND Ground
Ground GND 32 32 NC Not connected
Table 7: SLOT 2 Connector J18 Pinout (Continued)
COMMENT
COM EXPRESS
CONNECTION
SIGNAL
PIN SIDE
SIGNAL
COM EXPRESS
CONNECTION
COMMENT
B A