Hardware Reference Manual
Version 1.0
- 52 -
eInfochips Confidential
USB1.S1
USB_SHEILD_GND
Shield Ground
USB1.S2
USB_SHEILD_GND
Shield Ground
USB1.S3
USB_SHEILD_GND
Shield Ground
USB1.S4
USB_SHEILD_GND
Shield Ground
Table 17:
USB2.0 Host connector (J33) Pinout
6.3.7
Gigabit Ethernet
Gigabit Ethernet connectivity on ERAGON660 IO card is provided in below flow,
USB2.0 ->USB 2.0 HUB ->USB2.0 to Ethernet (MAC+PHY) to RJ45 connector
Second downstream port of USB Hub is connected with the Ethernet MAC controller. Then MAC
controller is interfaced with Ethernet PHY which supports 10,100 and 1000Mbps speed and at the end
Ethernet signals come to the RJ45 connector (E1) on IO card.
Figure 16 – IO Card Ethernet connector (E1)
Pinout of E1 are as below,
Pin Number
Net Name
Pin Function
E1.1
VDD_2V5_ETHERNET 2.5V Supply
E1.2
TR2N
TXRXC Negative
E1.3
TR2P
TXRX2 Positive
E1.4
TR1P
TXRX1 Positive
E1.5
TR1N
TXRX1 Negative
E1.6
VDD_2V5_ETHERNET 2.5V Supply
E1.7
VDD_2V5_ETHERNET 2.5V Supply
E1.8
TR3P
TXRX3 Positive
E1.9
TR3N
TXRX3 Negative
E1.10
TR0N
TXRX0 Negative
E1.11
TR0P
TXRX0 Positive
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