Intel NetStructure® MPCMM0002 Chassis Management Module
July2007 Hardware TPS
Order Number: 309247-004US 33
Rear Connections—MPCMM0002 CMM
The pinout of each CMM power connector is shown in Tabl e 6.Table 6. Power Connector PinoutsPin Signal Purpose Pin Length
B12, D12 SGND Shelf ground, mostly for safety Long
A5, C5, E5 GND Logic ground for signal returns Long
C1, E1 -48 V_A A power feed Medium
B2, D2 -48 V_B B power feed Medium
C3, E3 -48 VRTNA Return path for A feed Medium
B4, D4 -48 VRTNB Return path for B feed Medium
A1 -48VRTN_A_MLBF Return path for A feed (mate last, break first pin)
that allows Hot Swap controller to turn system
power on and off Short
A3 -48VRTN_B_MLBF Return path for B feed (mate last, break first pin)
that allows Hot Swap controller to turn system
power on and off Short
D6 PWRALRM_NO Power alarm relay, normally open Medium
E9 MNRALRM_COM Minor alarm relay, common path Medium
C9 MJRALRM_COM Major alarm relay, common path Medium
A9 CRTALRM_COM Critical alarm relay, common path Medium
B6 PWRALRM_COM Power alarm relay, common path Medium
E7 MNRALRM_NO Minor alarm relay, normally open Medium
C7 MJRALRM_NO Major alarm relay, normally open Medium
A7 CRTALRM_NO Critical alarm relay, normally open Medium
E11 MNRALRM_NC Minor alarm relay, normally closed Medium
C11 MJRALRM_NC Major alarm relay, normally closed Medium
A11 CRTALRM_NC Critical alarm relay, normally closed Medium
D10 MNRRES+ Minor alarm reset, positive polarity Medium
B10 MNRRES- Minor alarm reset, negative polarity Medium
D8 MJRRES+ Major alarm reset, positive polarity Medium
B8 MJRRES- Major alarm reset, negative polarity Medium