AT&T 3B2/300 Technical Reference Manual page 658

Appendix: CONNECTOR AND CABLING I N F O R M A T I O N - - - - - - - - - - - - - - - -
60-PIN BACKPLANE EDGE (B) CONNECTIONS (Contd)
PIN DESCRIPTION FUNCTION
B031 +SV (VCC) POWER
B032 GROUND (GRD)
GROUND
B033 +SV (VCC) POWER
B034 GROUND (GRD) GROUND
B035 CARD SELECT 11 (PCSll(O] INPUT
B036 GROUND (GRD) GROUND
B037 +SV (VCC) POWER
B038 GROUND (GRD) GROUND
B039 +sv (VCC) POWER
B040 GROUND (GRD) GROUND
B041 CARD SELECT 12 (PCS12(0]) INPUT
B042 GROUND (GRD)
GROUND
B043 +sv (VCC) POWER
B044 GROUND (GRD) GROUND
B045 +sv (VCC) POWER
B046 GROUND (GRD) GROUND
B047 CARD SELECT 13 (PCS13(0]) INPUT
B048 GROUND (GRD) GROUND
B049
+SV (VCC) POWER
BOSO GROUND (GRD) GROUND
B051
+sv (VCC)
POWER
B052 GROUND (GRD) GROUND
B053 CARD SELECT 14 (PCS14(0]) INPUT
B054 GROUND (GRD) GROUND
B055 +sv (VCC) POWER
B056 GROUND (GRD) GROUND
B057 +sv (VCC) POWER
B058
GROUND (GRD)
GROUND
B059 CARD SELECT 15 (PCS15(0]) INPUT
B060
GROUND (GRD)
GROUND
B-76 TECHNICAL REFERENCE MANUAL