Application Guide

Table Of Contents
User Instructions Section 5877
Spec. No. 582140000 (Models 802NLDB, 802NLEB and 802NL-B) Issue AQ, January 15, 2013
Chapter 2. Navigating the MCA Page 2-3
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2BMCA NUMBERING SCHEME
The MCA identifies (numbers) the components of the system as follows.
COMPONENT
MCA IDENTIFICATION NUMBER
MCA NUMBERING
SCHEME (note
that each line
shown below is
separated with a
dash in the MCA
display)
NOTES
EXAMPLE
MCA/Router
Bay #
Primary Bay is #1, other bays are numbered
consecutively, following the bay-to-bay cabling
scheme.
Primary Bay
1
Second Bay
2
Fifth Bay
5
Rectifier
(PCU)
Bay #
MCA Rectifier #
within the Bay / # of
Rectifiers Installed
in System
Primary Bay is #1, other bays are numbered
consecutively, following the bay-to-bay cabling
scheme.
Rectifiers are identified from 1 to 10, as they are
powered-up and recognized by the MCA.
Primary Bay, First
Recognized Rectifier
(w/ 36 rectifiers
installed)
1-01/36
Second Bay, Third
Recognized Rectifier
(w/ 24 rectifiers
installed)
2-03/24
Fifth Bay, Tenth
Recognized Rectifier
(w/ 12 rectifiers
installed)
5-10/12
MCA Relay
Circuit Card
Bay #
Card Position #
w/in Bay
Relay # w/in Card
Primary Bay is #1, other bays are numbered
consecutively, following the bay-to-bay cabling
scheme.
Card #1 = left slot,
Card #7 = right slot.
Relay # (see illustration in System Overview
Chapter)
Primary Bay, Relay
Card in First Slot,
Relay One on Card
1-1-1
Second Bay, Relay
Card in Third Slot,
Relay Four on Card
2-3-4
Fifth Bay, Relay Card
in Seventh Slot, Relay
Six on Card
5-7-6