IBM 8685 Hardware Maintenance Manual - Page 126

Gigabit Ethernet port, Ethernet port connector

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Gigabit Ethernet port Your server comes with an integrated Gigabit Ethernet controller. This controller provides an interface for connecting to 10-Mbps, 100-Mbps, or 1000-Mbps networks and provides full-duplex (FDX) capability, which enables simultaneous transmission and reception of data on the Ethernet local area network (LAN). The integrated Ethernet controller is located on PCI bus B (slots 2 and 3) on the system board. See "Adapter considerations" on page 53 for detailed information about the PCI buses in your server. To access the Ethernet port, connect a Category 3, 4, or 5 unshielded twisted-pair (UTP) cable to the RJ-45 connector on the rear of your server. Note: The 100BASE-TX/1000BASE-T Fast Ethernet standard requires that the cabling in the network be Category 5 or higher. The Ethernet (RJ-45) connector has two LEDs. The Ethernet link LED is on the right. When this green LED is on, there is an active connection on the Ethernet port. The Ethernet activity LED is on the left. When this amber LED is on, there is activity between the server and the network. These LEDs have the same functions as the Ethernet link LED and the Ethernet activity LED on the rear of the server (see "Server controls and indicators" on page 4). For information on configuring the Gigabit Ethernet controller, see "Configuring the Gigabit Ethernet controller" on page 24 or the Broadcom NetXtreme Gigabit Ethernet Software CD that comes with the server. Ethernet port connector The following illustration shows the pin-number assignments for the RJ-45 port. These assignments apply to the 10BASE-T, 100BASE-TX, and 1000BASE-T devices. Activity LED (green) Link LED (green) 8 1 Integrated system management processor (ISMP) interconnect ports The integrated system management processor (ISMP) ports (ISMP A and B) use a dual RJ-45 connector to interconnect ISMPs of several servers through an optional Remote Supervisor Adapter. Note: ISMP ports (ISMP A and B) are used for the RS-485 interconnect network communications. These ports become inactive if you install an optional IBM Remote Supervisor Adapter in this server. If you install an optional IBM Remote Supervisor Adapter in this server, you must use the RJ-45 connector on the adapter for interconnect network communications. 116 xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide

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Gigabit Ethernet port
Your server comes with an integrated Gigabit Ethernet controller. This controller
provides an interface for connecting to 10-Mbps, 100-Mbps, or 1000-Mbps networks
and provides full-duplex (FDX) capability, which enables simultaneous transmission
and reception of data on the Ethernet local area network (LAN).
The integrated Ethernet controller is located on PCI bus B (slots 2 and 3) on the
system board. See “Adapter considerations” on page 53 for detailed information
about the PCI buses in your server.
To access the Ethernet port, connect a Category 3, 4, or 5 unshielded twisted-pair
(UTP) cable to the RJ-45 connector on the rear of your server.
Note:
The 100BASE-TX/1000BASE-T Fast Ethernet standard requires that the
cabling in the network be Category 5 or higher.
The Ethernet (RJ-45) connector has two LEDs. The Ethernet link LED is on the
right. When this green LED is on, there is an active connection on the Ethernet
port. The Ethernet activity LED is on the left. When this amber LED is on, there is
activity between the server and the network. These LEDs have the same functions
as the Ethernet link LED and the Ethernet activity LED on the rear of the server
(see “Server controls and indicators” on page 4).
For information on configuring the Gigabit Ethernet controller, see “Configuring the
Gigabit Ethernet controller” on page 24 or the Broadcom NetXtreme Gigabit
Ethernet Software CD that comes with the server.
Ethernet port connector
The following illustration shows the pin-number assignments for the RJ-45 port.
These assignments apply to the 10BASE-T, 100BASE-TX, and 1000BASE-T
devices.
1
8
Link LED
(green)
Activity LED
(green)
Integrated system management processor (ISMP) interconnect ports
The integrated system management processor (ISMP) ports (ISMP A and B) use a
dual RJ-45 connector to interconnect ISMPs of several servers through an optional
Remote Supervisor Adapter.
Note:
ISMP ports (ISMP A and B) are used for the RS-485 interconnect network
communications. These ports become inactive if you install an optional IBM
Remote Supervisor Adapter in this server. If you install an optional IBM
Remote Supervisor Adapter in this server, you must use the RJ-45 connector
on the adapter for interconnect network communications.
116
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide