Page 102 of 456 Installing DC power

capacity of the supplementary shelf is 180 A (six rectifiers delivering 30 A each), but the sixth rectifier is for N+1 redundancy and kicks in only if one of the other rectifiers fails.

System Manager SP

The System Manager SP is the advanced controller available with the Candeo SP power systems. The operational features of the System Manager SP are as follows:

graphical LCD screen

local alarm display by means of LED indicators

eight programmable alarm outputs (dry-C contacts), with Minor, Major, and Observation being the factory defaults for outputs 1, 2, and 3

eight programmable alarm inputs

several processed alarms

alarms and events history files

alarm management

built-in web server

Ethernet (LAN) and modem (RS-232) access

four levels of access security (one hardware and four passwords)

battery database

temperature compensation

voltage boost (equalize)

battery discharge test

charge control

delivered DC power calculation

CAN protocol communication with up to 30 modules

maintenance of an inventory of the units in the system

field replaceable without interruption of the rectifiers

NN43021-310 Standard 02.01 December 2007

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Nortel Networks 1000M warranty System Manager SP