Application Guide

Section 5957 Installation Guide
Issue AM, March 26, 2014 Spec. No. 582140000 (Models 802NLDB, 802NLEB and 802NL-B)
Page 92
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Setting Switch S1 on the MCA Circuit Card in the Primary Power/Distribution and Power Only Bay
The individual switches of S1 have the following functions.
Note that the switch ON position is the UP position.
Switch of S1
Designation
Function
1
MCA
When in the ON position,
the MCA section of the
circuit card is disabled.
2
MON
When in the ON position,
changing Power System
settings via LMS is disabled.
3
KEY
When in the ON position,
changing Power System
settings via MCA Keypad is
disabled.
4
PRO
When in the ON position,
the remote uploading of new
firmware into the circuit card
is forced. This switch is used
for diagnostic purposes only.
MCA CIRCUIT CARD
(P/N 509478)
(PRIMARY BAY)
S1
1 2 3 4
ON = UP
J4
MCA DISTRIBUTION BUS MONITORING CIRCUIT CARD (P/N 524982)