IBM 8688 - page 17

Remote Supervisor Adapter connectors and LEDs: This group of ports and
indicators on the back of the server are used for system-management information
and control.
External power
supply connector
Error LED
(amber)
Power LED
(green)
Ethernet link LED
(green)
Ethernet activity LED
(green)
Ethernet
connector
System-management
connector
RS-485 connector
(RJ14)
v External power-supply connector: This connector is not supported on this
server.
v Error LED: This amber LED is lit when a system-management error has
occurred.
v RS-485 connector: Signal cables for managing expansion module resources are
attached to this connector.
v Ethernet activity LED: This green LED is lit when there is activity on the
Ethernet LAN attached to the Ethernet connector.
v Ethernet link LED: This green LED is lit when there is an active link connection
on the Ethernet controller for the Ethernet port.
v Ethernet connector: Ethernet signal cables are attached to the Ethernet
connector.
v System-management connector: Signal cables for modems or other serial
devices are attached to this connector.
v Power LED: This green LED goes on and stays on when you plug in your
server.
Ethernet
LEDs: These LEDs are lit green when there is an active link connection
on the Gigabit Ethernet controller and flash amber when there is activity on the
Ethernet LAN.
Gigabit Ethernet connectors: Gigabit Ethernet signal cables are connected to the
Gigabit Ethernet ports. These ports support 10/100/1000 Mbps data transfer rates.
RXE Expansion Port A connector: Use this connector to attach the server to a
remote I/O enclosure.
Video connector: The signal cable for a monitor attaches to the video connector.
USB 2 connector: This is an automatically configured port that you can use to
attach one or more USB devices to the server, using Plug and Play technology.
USB 1 connector: This is an automatically configured port that you can use to
attach one or more USB devices to the server, using Plug and Play technology.
RXE Management Port connector: Use this connector to attach a management
cable from the server to a remote I/O enclosure.
Chapter 1. General information 7