C-4
SC113M Chassis
#4 and #5. Sideband Headers
The sideband headers are designated JP51
and JP52. For SES-2 to work properly, you
must connect an 8-pin sideband cable. See the
table to the right for pin definitions.
Sideband Headers
Pin # Definition
Pin # Definition
2
SDIN/
Backplane
Addressing
(SB5)
1
Controller
ID (SB6)
4
SDOUT/I
2
C
Reset
(SB4)
3
GND (SB2)
6
GND (SB3)
5
SLOAD/
SDA (SB1)
8
Backplane
ID (SB7)
7
SCLOCK/
SCL (SB0)
10
No
Connection
9
No
Connection
#3. MG9072 Chip
The MG9072 is an enclosure management
chip that supports the SES-2 controller and
SES-2 protocols.
C-6 Front Connector and Pin Definitions
#2 Upgrade Connector
The upgrade connector, designated JP46,
serves a diagnostic purpose. This connector
should be used by a certified and experienced
technician.
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 JP10 provide
power to the backplane. See the table on the
right for pin definitions.