BPN-SAS3-116EL1 Backplane Manual
2-2
2-3
Chapter 2 Connectors and Jumpers
2-2 Front Connector Definitions
Backplane
Main Power
4-Pin Connector
Pin# Definition
1
+12V
2 and 3
Ground
4
+5V
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. SAS Connectors
The SAS connectors are used to connect the
SAS drive cables and are designated JSM1
and JSM2.
3. I
2
C Connector
This I
2
C connector is designated J21 and is
reserved for future expansion.
4. Expander Chip
LSISAS3x28R expander chip.
5. SDB Connector
This connector is designated J18 and is for
manufacturer's use only.
6. UART Connector
This connector is designated J22 and is for
manufacturer's use only.
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
A
C
A
C
A
A
C
A
C
A
C
A
C
A
C
A
C
4
1
4
1
P1
P15
S8
S14
S1
S7
P1
P15
S8
S14
S1
P1
P15
S14
S1
S7
P1
P15
S8
S14
S1
S7
P15
S8
S14
S1
S7
P1
P15
S14
S1
P1
P15
S8
S14
S1
P1
P15
S14
S1
S7
P1
P15
S8
S14
S1
S7
P1
P15
S8
S14
A7
A8
A1
A2
CG1
B1
B2
B7
B8
C1
C2
C7
C8
D1
D2
D7
D8
CG2
CG3
A7
A8
A1
A2
CG
1
B1
B2
B7
B8
C1
C2
C7
C8
D1
D2
D7
D8
CG
2
CG
3
4
1
4
1
+
3
2
1
4
3
2
1
4
LED4
LED20
LED19
LED15
LED14
LED13
LED12
LED11
LED6
LED5
LED3
LED2
LED1
LED7
LED8
LED17
LED18
LED16
LED9
LED10
J1
J2
J3
J4
J5
J6
J7
J8
J9
J10
R98
R66
R64
R22
R20
R65
R63
R16
R95
R60
C31
C56
C62
C77
C44
C1 C2
C381
C386
C504
C700
C13
C64
C440
C74
C65
C59
C702
C704 C703
C705
C101
Q9
TP119
TP121
U5
C193
C401
C452
C474
L28
L29
R333
R334
R335
*1
SAS#9
AC
T#9
FAIL#9
AC
T#8
FAIL#8
SAS#7
AC
T#6
FAIL#6
AC
T#7
FAIL#7
ACT#5
FAIL#5
AC
T#4
FAIL#4
AC
T#2
FAIL#3
ACT#3
FAIL#0
AC
T#0
FAIL#1
AC
T#1
SAS#8
SAS#6
SAS#5
SAS#4
SAS#3
SAS#2
SAS#1
SAS#0
2-3 Rear Connectors and LED Indicators
Rear SAS2/SAS3 Connectors
Rear Connector
SAS Drive Number
SAS#0
SAS/SATA HDD #0
SAS#1
SAS/SATA HDD #1
SAS#2
SAS/SATA HDD #2
SAS#3
SAS/SATA HDD #3
SAS#4
SAS/SATA HDD #4
SAS#5
SAS/SATA HDD #5
SAS#6
SAS/SATA HDD #6
SAS#7
SAS/SATA HDD #7
SAS#8
SAS/SATA HDD #8
SAS#9
SAS/SATA HDD #9
SAS#1
SAS#3
SAS#5
SAS#7
SAS#9
SAS#0 LED11
LED1
LED13
LED3
LED15
LED5
LED17
LED7
LED19
LED9
LED12
LED2
LED14
LED4
LED16
LED6
LED18
LED8
LED20
LED10
SAS#2
SAS#4
SAS#6
SAS#8
Rear LED Indicators
Rear Connector
Activity LED
Failure LED
SAS#0
LED11
LED1
SAS#1
LED12
LED2
SAS#2
LED13
LED3
SAS#3
LED14
LED4
SAS#4
LED15
LED5
SAS#5
LED16
LED6
SAS#6
LED17
LED7
SAS#7
LED18
LED8
SAS#8
LED19
LED9
SAS#9
LED20
LED10
Figure 2-2. Rear Connectors and LEDs
