11850-016
4
Backplane
R1.0, February 2016
3 Backplane
• 3.3 V management power generation on the backplane
• Hot-Swap circuitry for enabling the management power and payload power by the EMCH
• Fan connectors on the backplane (4-pin fan connectors)
3.1 Backplane Topology
Figure 2: Backplane Topology
AMC1
AMC2
Fabric 1/A
(1000Base-BX)
Clocks -
FCLKA AMC
(1:1 connection)
Clocks -
TCLKB AMC (Output)
Clocks -
TCLKC AMC
Clocks -
TCLKD AMC (Output)
Clocks -
TCLKA AMC
IPMB_L
DC/DC
Converter
+3,3V
HotSwap
AMC Port 2
(SATA)
AMC Port 3
(SATA)
MCH
AMC Port 4-7
(FAT PIPE)
Port 0
Port 1
Fabric 2/A
(1000Base-BX)
Common Options
Port 2
Port 3
A
4
Port 4-7
A
B
B
C
C
D
D
FAN1 FAN2 FAN3
FAN4
FAN5
+12V
FAN _Control
PPWR_2
PPWR_1
PPWR
MP_2
PRESENT_1
MP
I²C
Carrier Number
+12V
FAN_Tacho
5
EN_HSC_1
Current
Sense
EEPROM
FRU
PRESENT_2
EN_AMC1
MP_1
EN_AMC2
IR_HotSwap
4
AMC Port 8-11
(EXT.FAT PIPE)
Port 8-11