TableD-2 USBport
Pinarrangement Pin
number
Signal
name
Input/Output Description
1 VBUS Outp ut Powersupply
2 -DATA Input/
Output
Data
3 +DATA Input/
Output
Data
4 GND --- Ground
D.3 SAS Port
TheSA S port of the SPARC M10-4/M10-4S is used to connect external devices with
anSA Sin terface, such as a tape drive. The chassis has one SAS port on the rear.
Consulta service engineer for more information about compatible devices.
D.4 RESET Switch
TheRESET switch of the SPARC M10-4/M10-4S is an emergency switch to restart the
XSCF.For how to use the RESET switch, see "17.2 Precautionsconcerning Using the
RESETSwitch" in the Fujitsu M10/SPARC M10 Systems System Operation and
AdministrationGuide.
Figure D-2 indicates the RESET switch location of the SPARC M10-4 while Figure D-3
indicatesth e RESET switch location of the SPARC M10-4S. The RESET switch (A in
thefig ure) is located on the rear of the chassis.
AppendixD ExternalInterface Specifications 493