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Panel Indicators and Connectors
Rear Panel
The rear panel contains two connectors.
The QR-code label on the real panel gives you a link to the eQCM 15M page on Gamry's website.
USB Port
The USB port on the rear panel of the eQCM 15M is a Type C connector. This connection is used to power the
instrument as well as for all the data transfer between the eQCM 15M and your host computer.
A shielded, Type A/C cable is used to connect this port to a computer's USB port or a USB hub (preferably an
externally powered hub). The two ends of a Type A/C cable are different. The more-rectangular, larger end
plugs into the computer and the smaller connector plugs into the instrument.
The eQCM 15M requires a minimum of 5 volts through the USB connector. The input current is less than 1 A.
A suitable cable was shipped with your instrument. If this cable is lost, you can get a replacement at Gamry
Instruments. Contact your local Gamry Representative or e-mail to
techsupport@gamry.com
if you experience
problems with your USB-cable.
The eQCM 15M is a High Speed USB 2.0 peripheral, capable of data transfer at 480 Mbits/second. If it is
plugged into a computer port incapable of High Speed operation it downgrades to USB 1.1 full-speed
operation (12 Mbits/second). Obviously, data-transfer speed is slower if this occurs.
The eQCM 15M USB port is compatible with Revision 1.1 and 2.0 of the USB specification. It supports the
Windows Plug and Play mechanism, including dynamic connect/reconnect.
The QR-code label on the real panel gives you a direct link to the eQCM 15M page on Gamry's website.
GND
The rear panel GND connector is intended for one use only, as a chassis ground. See Chapter 1 for safety
information concerning this connection. A black banana-plug to banana-plug lead has been provided with your
eQCM 15M. You may find it useful when making this earth-ground connection.
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