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Installation Instructions IM581127000
Spec. No. 581127000 (Model 710NPBA) Issue AB, March 22, 2012
Chapter 4. Making Electrical Connections Page 61
This document is property of Emerson Network Power, Energy Systems, North America, Inc. and contains confidential and proprietary information owned by Emerson Network Power, Energy
Systems, North America, Inc. Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
ETHERNET CONNECTION
Note: If the Web Interface is not being used with this system, skip this procedure.
The ACU+ provides a Web Interface via an Ethernet connection to a TCP/IP network. An
RJ-45 10BaseT jack is provided on the front of the ACU+ for connection into a customer's
network running TCP/IP. This jack has a standard Ethernet pin configuration scheme,
twisted pair. Refer to Figure 4-10 for location and Table 4-4 for pin outs. Use shielded
Ethernet cable (grounded at both ends). Note that the ACU+ RJ-45 jack is connected to
chassis ground. Refer to the ACU+ User Instructions (UM1M820BNA) for operational
details.
Note: You can access the Web pages of the power system locally by using a
"crossover" or “straight” cable connected directly between your PC and the ACU+.
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, Issue 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.
Port Pin Number
Name
Definition
1
Tx+
Write Signal +
2
Tx-
Write Signal -
3
Rx+
Read Signal +
4
--
no connection
5
--
no connection
6
Rx-
Read Signal -
7
--
no connection
8
--
no connection
Table 4-4
ACU+ RJ-45 Ethernet Port Pin Configuration
Figure 4-10
ACU+ Ethernet Port
ESC ENT
Ethernet Port (RJ-45)