AT&T 3B2/300 Technical Reference Manual page 656

Appendix: CONNECTOR AND CABLING I N F O R M A T I O N - - - - - - - - - - - - - - - -
100-PIN BACKPLANE EDGE (A) CONNECTIONS (Contd)
PIN DESCRIPTION FUNCTION
A051 +5V (VCC) POWER
A052 GROUND (GRD) GROUND
A053 DATA BIT 10 (PDlO[l]) INPUT /OUTPUT
A054 DATA BIT 09 (PD09[1]) INPUT /OUTPUT
A055 DATA BIT 08 (PD08[1])
INPUT /OUTPUT
A056
GROUND (GRD) GROUND
A057
DATA BIT 07 (PD07[1]) INPUT /OUTPUT
A058 DATA BIT 06 (PD06[1]) INPUT/OUTPUT
A059 DATA BIT 05 (PD05[1]) INPUT /OUTPUT
A060 GROUND (GRD) GROUND
A061 +5V (VCC) POWER
A062
DATA BIT 04 (PD04[1]) INPUT /OUTPUT
A063 DATA BIT 03 (PD03[1]) INPUT /OUTPUT
A064 GROUND (GRD) GROUND
A065 DATA BIT 02 (PD02[1]) INPUT /OUTPUT
A066 DATA BIT 01 (PDOl[l]) INPUT /OUTPUT
A067 DAT A BIT 00 (PDOO[l]) INPUT /OUTPUT
A068 GROUND GROUND
A069 DATA STROBE 1 (PDSl[O]) INPUT /OUTPUT
A070 DATA STROBE O (PDSO[O]) INPUT /OUTPUT
A071 +5V (VCC) POWER
A072 GROUND (GRD) GROUND
A073
DATA ACKNOWLEDGE (PDTACK[O])
INPUT /OUTPUT
A074 CARD
WIDTH
(8 OR 16 BITS)(PSIZE16[0]) INPUT /OUTPUT
A075 BUS FAULT (PFLT[O]) INPUT /OUTPUT
A076
GROUND (GRD)
GROUND
A077
INPUT/OUTPUT BOARD FAILURE (PFAIL[O]) INPUT /OUTPUT
A078
BUS BUSY (PBUSY[O])
INPUT /OUTPUT
A079 SYSTEM RESET (SYSRST[O]) INPUT /OUTPUT
A080 GROUND (GRD) GROUND
A081 +5V (VCC) POWER
A082 INTERRUPT ACKNOWLEDGE O (PIAKO[O]) INPUT /OUTPUT
A083 REQUEST SYSTEM RESET (RQRST[O]) INPUT/OUTPUT
A084 INTERRUPT ACKNOWLEDGE 1 (PIAKl[O]) INPUT /OUTPUT
A085 INTERRUPT REQUEST O (PINTO[O]) INPUT /OUTPUT
A086
INTERRUPT ACKNOWLEDGE 2 (PIAK2[0]) INPUT/OUTPUT
A087 INTERRUPT REQUEST 1 (PINTI[O]) INPUT /OUTPUT
A088 GROUND (GRD)
GROUND
A089
INTERRUPT REQUEST 2 (PINT2[0])
INPUT /OUTPUT
A090 BACKUP BATTERY (+3.9V) (VBKUP) POWER
A091 +5V (VCC)
POWER
A092 GROUND (GRD) GROUND
A093
CARD SELECT 01 (PCSOl[O]) INPUT
A094 -12V (V12N) POWER
A095 CARD SELECT 02 (PCS02[0])
INPUT
A096 GROUND (GRD)
GROUND
A097
CARD SELECT 03 (PCS03[0]) INPUT
A098 +12V (V12P) INPUT /OUTPUT
A099
CARD SELECT 04 (PCS04[0]) INPUT
AIOO GROUND (GRD) GROUND
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