User`s manual

C-5
Appendix C: SAS-827T Backplane Speciciations
5. - 8. Chassis Fan Connectors
These connectors, designated JP54, JP55, JP56 and JP57 supply power to the
chassis. cooling fans.
9. - 12. Fan Connector Y-Cable
(Optional feature, sold separately)
A Y-cable is used to connect the fan connector from the backplane to the mother-
board's fan connectors. These fan connectors, are designated JP58, JP59, JP60
and JP65. Only connect a Y-cable into these four connectors. Never directly connect
a fan to these connectors as it may damage both the fans and/or the backplane.
41
JP58
(FAN)
MB-A
REV 1.01
SAS827T
41
JP60
41
41
JP65
(FAN)
MB-D
(FAN)
MB-C
MB-B
(FAN)
4
1
JP55
4
1
JP54
4
1
4
1
JP56
C266
+
FAN4
FAN3
FAN2
FAN1
MB-D
MB-D
MB-D
FAN4
FAN4
FAN4
FAN3
FAN3
FAN3
FAN2
FAN2
FAN2
FAN1
FAN1
FAN1
Y-Cables
Cables
Cables
SAS-827T Backplane
SAS-827T Backplane
SAS-827T Backplane
Motherboards
Motherboards
Motherboards
System Fans
System Fans
System Fans
MB-C
MB-C
MB-C
MB-B
MB-B
MB-B
MB-A
MB-A
MB-A
Figure C-5: Optional Conguration - Motherboards to the Fan Connectors
Figure C-6: Prohibited Conguration
Figure C-4: Default Conguration - Fans Connected Directly to Motherboards
41
JP58
(FAN)
MB-A
REV 1.01
SAS827T
41
JP60
41
41
JP65
(FAN)
MB-D
(FAN)
MB-C
MB-B
(FAN)
4
1
JP55
4
1
JP54
4
1
4
1
JP56
C266
+
FAN4
FAN3
FAN2
FAN1
41
JP58
(FAN)
MB-A
REV 1.01
SAS827T
41
JP60
41
41
JP65
(FAN)
MB-D
(FAN)
MB-C
MB-B
(FAN)
4
1
JP55
4
1
JP54
4
1
4
1
JP56
C266
+
FAN4
FAN3
FAN2
FAN1