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Connecting the cables
You must turn off the server (see "Server power features" on page 12) before
connecting any cables to or disconnecting any cables from the server.
See the documentation that comes with optional devices for additional cabling
instructions. It might be easier for you to route cables before you install certain
options.
Cable identifiers are printed on the cables that come with the server and options.
Use these identifiers to connect the cables to the correct connectors.
For details about the location and function of the input and output connectors, see
"Server controls, connectors, LEDs, and power" on page 9.
Two optional SMP Expansion cable kits are available to interconnect the SMP
Expansion Ports of two or more servers:
v 2.3 m XpandOnDemand
v 2.9 m XpandOnDemand Scalability cable kit (comes with one 2.9-m (9.5-foot)
The following illustrations show the locations of the input and output connectors on
the server. Detailed cabling instructions are in the Rack Installation Instructions that
come with the server.
Rear view
SMP expansion port 1
SMP expansion port 2
SMP expansion port 3
Front view
USB connector
48
IBM System x3950 Type 8878 and System x3950 E Type 8879: User's Guide
SMP Expansion cable)
SMP Expansion cable)
SP Ethernet 10/100
Power-supply
USB 1
Video
Power-control button
Power-on LED
Hard disk drive activity LED
Locator LED
™
Scalability cable kit (comes with one 2.3-m (7.6-foot)
USB 2
Mouse
Keyboard
IXA RS 485
Gigabit Ethernet 2
Gigabit Ethernet 1
Information LED
System-error LED
System serial
SP serial
Release latch
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