
Identifying Server Components 5
Internal System Cables for SPARCEnterprise T5220 ServersThe following table identifies the internal system cables used in SPARCEnterprise
T5220 servers.
Related Information
■“Identifying FRUs in SPARCEnterprise T5220 Servers” on page 195
Front Panel Controls and Indicators onSPARC Enterprise T5120 ServersThe following figure shows the layout of the T5120 server front panel, including the
power and system locator buttons and the various status and fault LEDs.
Note – The front panel also provides access to internal hard drives, the removable
media drive, and the two front USB ports.
Cable Description
Topcover interlock cable Thiscable connects the safety interlock switch
on the top cover to the power distribution
board.
Ribbon cable This cable carries signals between the power
supply backplane and the power distribution
board.
Ribbon cable This cable carries signals between the power
distribution boardand the motherboard.
Harddrive data cables
(1 or 2, depending on harddrive
backplane)
This cable carries data and controlsignals
between the motherboardand the hard drive
backplane.