Mellanox Technologies InfiniScale MTS3600Q-1BNC User Manual page 33

The MTUSB adapter comes with three cables, but has only two connections for cables. One cable
is a I2C cable with DB9 female connectors on both ends. One cable is a I2C cable with DB9
female connector to RJ45 male. Use the cable that matches your switch. The other is a USB cable
with one type A host connection to be connected to the server or PC and a type B connection to be
connected to the MTUSB adapter.
With the switch connected to a computer through the MTUSB, it is now possible to reprogram the
SPI Flash memory.
3.3.2.1 Instructions for Reprogramming Through the I2C Port:
1. Make sure that:
• the MTUSB I2C cable is connected to the switch and USB cable is connected to a computer
• MFT is running on the computer
• "mtusb-1" mst device appears in "mst status"
2. Set the switch I2C switch to allow access by running:
isw -d /dev/mst/mtusb-1 -s shark -p L1
3. Run the burn command:
flint -d /dev/mst/mtusb-1 -i ./fw-IS4-rel-7_0_142-MTS3600Q_A1.bin -qq b
Figure 14: MTUSB-1 with Cables
Figure 15: I2C Cable Connected to MTS3600
Mellanox Technologies
Rev 2.4
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