Vertiv 582127000100 User Manual page 11

System Interface Board Indicator, Switch, and Test Points
The system interface board contains a manual battery disconnect switch and indicator. The board also contains test points to
externally monitor system voltage. Refer to Figure 3.1 for circuit card location and Figure 3.2 for indicator, switch, and test points
descriptions.
ALERT! Do not hold MBD switch (S1) in the up or down position for more than 3 seconds to avoid damaging the contactor.
ALERT! When using switch, after either pushing up or down let switch return to the center position for 3 seconds before
pushing switch in the opposite direction to avoid damaging the contactor.
IB2 (Controller Interface Board) and OptionalEIB (Controller Extended Interface Board) Indicator
The IB2 and optional EIB boards have a green LED indicator which is lit in normal operation and flashes when the IB2 or EIB board is
communicating with the controller. Refer to Figure 3.1 for IB2 and EIB locations.
Figure 3.1 Circuit Card Locations
Distribution
Cabinet
NCU Controller
1M830DNA
System Interface
Board 562662
Optional EIB-1
(Extended
Interface Board)
MA455U41
Proprietary and Confidential © 2022 Vertiv Group Corp.
Vertiv™ NetSure™ 7100 Series -48 VDC Power System User Manual
(Front Door Removed in
Illustration for Clarity)
IB4
(2nd Ethernet
Port Board)
IB2-1
558076
(Interface
Board #1)
MA4C5U31
5