New Function in my company:

1). Indicator: The green indicator light will be showed on when the electric power is supplied.

2). Self-protection: GT1 Multiplexer will be turned off by itself if the voltage surpasses 15.8V during your testing.

3). Restarting button: It is not necessary to put off cables from GT1 Multiplexer to restart only if you press the green button for 3 seconds.

4,  Mobile USB external HDD version,which can be work with any pc,complete solve the problem that GT1 can work with IBM T30 laptop.