![background image](http://html1.mh-extra.com/html/ibm/system-storage-7207/system-storage-7207_setup-operator-and-service-manual_4066817040.webp)
Figure 17. AC Grounding Diagram (50 Hz and 60 Hz)
13. With the external power cable connected to the 7207-122 Tape Drive, check to
ensure that 1.0 ohm or less resistance exists between the ground lug on the
external power cable plug and the metal frame. See Figure 18.
Figure 18. Safety Inspection - Rear View of the 7207-122 Tape Drive
Note: Use an analog meter to measure grounding resistance; do not use a
digital multimeter.
Chapter 5. Performing Service
29
Содержание System Storage 7207
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