Mettler Toledo IND570 Manuel D'installation page 48

Figure 2-23: Cable Shield Grounding
2.4.4. External USB Adapter
Long-term connection to the USB port on the main board can be made through the available 25mm
cable gland. If quick disconnect of a USB device is required for an application, an optional USB
adapter kit can be installed on the harsh environment terminal to make the USB connection
accessible from outside the harsh enclosure.
NOTICE
TO AVOID DAMAGE TO A CONNECTED USB STORAGE DEVICE WHEN INSTALLING OR REMOVING THE PROTECTIVE
COVER, ALWAYS HOLD THE BODY OF THE COVER AND TURN ONLY THE THREADED RING.
Figure 2-24: External USB Adapter
NOTICE
THE USB INTERFACE IS NOT CERTIFIED FOR USE WITHIN DIVISION 2 OR ZONE 2/22 HAZARDOUS AREAS.
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