Vertiv | NetSure™ 8200 Series -48 VDC Power System Installation Manual (IM582140000) | Rev. A
Jumper Setting on Distribution Bus Monitoring Circuit Cards (for use in systems with an
MCA only)
The distribution bus monitoring circuit cards (P/N 524982) installed in each power/distribution bay and
distribution only bay contain jumper J4. Set this jumper on each circuit card per site requirements. Refer to
Figure 77 for distribution bus monitoring circuit card and jumper J4 location. Refer to the following for a
description of the jumper.
NOTE! If a jumper is changed on a live system, an alarm is generated. Update inventory to clear the
alarm.
Jumper Description
If the jumper is installed between the two pins of J4 on ALL distribution bus monitoring circuit cards, then
there is NO A or B distribution designation in the NCU display of distribution items. If any distribution bus
monitoring circuit card has the jumper removed, that distribution bus is designated as B. Those that have the
jumper remaining (installed) are designated as A.
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