2.11 Ethernet management
The table below details how the MDC and MDIO connections are made on the RDB.
Table 2-2. MDC/MDIO connectivity
Device
PHY address
EC1/RGMII PHY
00001
AQR105 PHY
00010
SGMII PHY
00011
2.12 Ethernet ports
The figure below shows how the Ethernet ports are connected on the backside of the
RDB chassis. ETH3 (PoE) port is same as the PoE power port.
ETH1
ETH2
ETH3 (PoE)
Figure 2-7. Ethernet port connection
2.13 I2C
The T1023 device has two I2C controllers. On the RDB, the I2C buses are connected as
shown below. The M24256 serial EEPROM can be used to store configuration registers’
values.
Ethernet ports
QorIQ T1023 Reference Design Board User Guide, Rev. 0, 08/2015
18
Freescale Semiconductor, Inc.
Summary of Contents for QorIQ T1023
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