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COM Express
™
PORTWELL PCOM-B700G User's Guide
Copyright © PORTWELL 2018 PCOM-B700G User's Guide
53
external Optical SFP Module
C33
10G_SFP_SDA2
I2C data 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
-
-
C34
10G_PHY_RST_23
Output signal that resets an optical
PHY on port 2 and port3 (Not used
with copper PHY)
O
-
3.3V Suspend / 3.3V
-
-
C35
10G_PHY_RST_01
Output signal that resets an optical
PHY on port 0 and port1 (Not used
with copper PHY)
O
-
3.3V Suspend / 3.3V
-
-
C36
10G_LED_SDA
I2C Data of the 2-wire interface
that transfers LED signals and
PHY straps for I2C or MDIO
operation of optical PHYs.
I/O
OD
3.3V Suspend / 3.3V
-
-
C37
10G_LED_SCL
I2C Clock,of the 2-wire interface
that transfers LED and strap
signals for I2C or MDIO operation
of optical PHYs
I/O
OD
3.3V Suspend / 3.3V
-
-
C38
10G_SFP_SDA1
I2C data signal of the 2-wire
management interface used by the
10GbE controller to access the
management registers of an
I/O
OD
3.3V Suspend / 3.3V
PU 4.7K to
3VSB
-