Application Guide

Installation Guide Section 5957
Spec. No. 582140000 (Models 802NLDB, 802NLEB and 802NL-B) Issue AM, March 26, 2014
Page 93
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Setting Jumper J4 on MCA Distribution Bus Monitoring Circuit Cards
Note: If a jumper is changed on a live system, an alarm is generated. Update Inventory to clear the alarm.
If the jumper is installed between the two pins of J4 on ALL MCA Distribution Bus Monitoring Circuit Cards, then
there is NO A or B distribution designation in the MCA display of distribution items. If any MCA 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.