Vertiv | NetSure 7100 Series -48V DC Power System Installation Manual (IM582127000) | Rev. BB
NCU Controller Second Ethernet Port Connection (if IB4 board furnished)
Your system may be furnished with an IB4 board connected to the NCU backplane via a factory furnished and
connected cable. The IB4 board provides a second Ethernet port. The Ethernet port located on the NCU
Controller’s front panel can ONLY be used to connect a computer directly to the NCU. The Ethernet port
located on the IB4 board can be used to connect the NCU to your Local Area Network (LAN).
NOTE!
If your system has an IB4 board, DO NOT connect your Local Area Network (LAN) to the NCU
front Ethernet port.
An RJ-45 10BaseT jack is provided on the IB4 board for connection into a customer's network. This jack has a
standard Ethernet pin configuration scheme, twisted pair. Refer to Figure 67 for location and Table 13 for pin
outs. Use shielded Ethernet cable (grounded at both ends). Note that the IB4 board’s RJ-45 jack is connected
to chassis ground. Refer to the NCU Instructions (UM1M830BNA) for operational details.
WARNING! The intra-building port(s) of the equipment or subassembly is suitable for connection to
intra-building or unexposed wiring or cabling only. The intra-building port(s) of the equipment or
subassembly MUST NOT be metallically connected to the interfaces that connect to the OSP or its
wiring. These interfaces are designed for use as intra-building interfaces only (Type 2 or Type 4 ports as
described in GR-1089-CORE, Revision 4) and require isolation from the exposed OSP cabling. The
addition of Primary Protectors is not sufficient protection in order to connect these interfaces
metallically to OSP wiring.
The intra-building port (RJ-45) of the equipment or subassembly must use shielded intra-building
cabling/wiring that is grounded at both ends.
Figure 67:
IB4 Board NCU Controller Second Ethernet Port
IB4 Board
10M Ethernet
Port (RJ-45)
LAN Connection
USB-B Port
(Factory connected
to NCU Controller
backplane.)
USB-A Port
(not used)
Customer Ethernet Cable
(Route to IB4 board through one
of the rectangular openings
on top of cabinet panel.)
Location of IB4 Board
(mounted to inside
top of cabinet)
List 21 Distribution Cabinet
(others similar)
Components removed in
illustration for clarity.
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