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COM Express
™
PORTWELL PCOM-B700G User's Guide
Copyright © PORTWELL 2018 PCOM-B700G User's Guide
62
D27
10G_KR_TX3-
10GBASE-KR ports, transmit
output differential pairs.
O
KR
AC coupled on
Carrier
-
-
D28
GND
GND
-
-
-
-
-
D29
10G
10GBASE-KR ports, transmit
output differential pairs.
O
KR
AC coupled on
Carrier
-
-
D30
10G_KR_TX2-
10GBASE-KR ports, transmit
output differential pairs.
O
KR
AC coupled on
Carrier
-
-
D31
GND(FIXED)
GND(FIXED)
-
-
-
-
-
D32
10G_SFP_SCL3
I2C clock signal of the 2-wire
management interface used by the
10GbE controller to access the
management registers of an
external Optical SFP Module
I/O
OD
3.3V Suspend / 3.3V
-
-
D33
10G_SFP_SCL2
I2C clock signal of the 2-wire
management interface used by the
10GbE controller to access the
management registers of an
external Optical SFP Module
I/O
OD
3.3V Suspend / 3.3V
-
-
D34
10G_PHY_SEL_23
Phy mode select pin: If high Phy2
and Phy3 are configured by MDIO.
If low Phy2 and Phy3 are
configured by I2C. For MDIO
mode, this pin should be left not
connected on the Carrier. For I2C
mode pull down with 1K on Carrier
I
-
3.3V Suspend / 3.3V
-
-