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SC116 Chassis Manual
D-5 Rear Connector Definitions
1. Backplane Main Power Connectors
The 4-pin connectors, designated JPW1 and
JPW2 provide power to the backplane. See the
table on the right for pin definitions.
2. Upgrade Connectors
The upgrade connectors are designated JP3
(U6) and JP4 (U7) and are used for manufac-
turers diagnostic purposes only.
3. SAS Connectors
The SAS connectors are used to connect the
SAS drive cables and are designated JSM1
and JSM2.
4. Sideband Connector
This is the sideband connector for SAS2 and
is designated T-SGPIO1.
5. SAS2 Connectors
The SAS2 connectors are designated JS1
(SAS2 in #1) and JS2 (SAS2 in #2).
Pin#
2 and 3
Sideband Definitions
Pin #
Definition
A0
SB0
B2
SB1
C2
SB2
B1
SB3
D-4
Backplane
Main Power
4-Pin Connector
Definition
1
+12V
Ground
4
+5V
(JSM1 - JSM2)
Pin # Definition
C1
SB4
D1
SB5
D2
SB6
A1
SB7
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