CHAPTER 3: SETTING UP COMMUNICATION CARDS REDUNDANT TWISTED-PAIR ETHERNET + COM2 PORT ADAPTER
D400 SUBSTATION GATEWAY USER’S MANUAL GENERAL 49
Redundant twisted-pair ethernet + COM2 port
adapter
The Redundant TP Ethernet + COM2 Port card (GE Item No. 520-0218LF) provides two local
area network connections with unique MAC addresses through Ethernet RJ-45 connectors.
The LAN input routes to a three-port Ethernet switch and the WAN input routes to the PC/
104-Plus Ethernet Module. The Ethernet switch can support a dual-redundancy network
option on the D400. The data rate on each LAN or WAN port is independently detected and
set to either 10 Mbps or 100 Mbps. The card also provides an RS-232 DCE connection
through a DB-9 connector. The Redundant TP Ethernet + COM2 Port card can only be
installed in the NET1 slot (slot 11) on the D400.
Note: Use of the Redundant TP Ethernet + COM2 Port card requires the installation of the
dual redundant Ethernet D400 CPU option, which includes the PC/104-Plus 10/100BasetT
Ethernet Module and cable (GE item 580-3410 and 977-0544). The COM2 Port requires an
external modem to provide dial-up functionality.
See “Network connections” on page 61 and “Modem connections” on page 63 for typical
cable connections.
Configuration options
There are no selectable options on the Redundant TP Ethernet + COM2 Port card.
Figure 27: Redundant TP Ethernet + COM2 Port Adapter Card
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