USB-T1L

The USB-T1L is a development tool for the relatively recent 10Base-T1l ethernet standard, which is intended to become a major building block in upcoming industrial ethernet products.

10Base-T1L has a couple of benefits, among which are the reduced wiring complexity, due to T1L only requiring a single pair of twisted wires, low power requirements and the possibility of very long cable runs of up to 2km. The tradeoff 10Base-T1L does for these great benefits is the relatively low maxium data rate of 10Mbit/s.

There are currently two competing standards when it comes to industrial ethernet T1L connectors. In order to be neutral, the T1L comes with a screw terminal to connect the 10Base-T1L cable pair to.

The USB-T1L is built in a way, that gives the Linux kernel complete and native access to the registers of the 10Base-T1L phy. This means that the USB-T1L does not require any firmware on the device or vendor software on the host. All aspects of the phy can be controlled using standard Linux tools.

The device is therefore specially designed for the rapid development of Embedded Linux devices the Texas Instruments DP83TD510E 10Base-T1L Phy.

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