Sfp Interface - Alinx AX7Z035B User Manual

AX7Z035B User Manual
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3.7 SFP Interface

The AX7Z035B carrier board has four SFP interfaces. Users can purchase SFP
optical modules (1.25G, 2.5G, 10G optical modules on the market) and insert them
into these four interfaces for optical data communication. The four SFP interfaces
are connected to the two RX/TX of the GNK transceiver of ZYNQ BANK111. The TX
signal and the RX signal are connected to the ZYNQ and the optical module through
the DC blocking capacitor in differential signal mode. The TX and RX data rates are
up to 10Gb/s per channel. The reference clock for the GTX transceiver of BANK111 is
provided by the 125M differential clock of AC7Z035B FPGA core board.
The schematic diagram of FPGA and fiber optic design is shown in Figure 3-7-1:
www.alinx.com
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