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SurePOS 100 Technical Reference
Page 68 of 104
x x x x x 0 x x C/D controlled by prt logic
x x x x x 1 x x C/D controlled by ASIC
Control register T
Cash drawer open via ASIC
INDEX 29H:
Write only
D7 D6 D5 D4 D3 D2 D1 D0 Function
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0 0 0 0 0 0 0 1 Pulse C/D circuit
(open drawer)
Control register U
Cash drawer status
INDEX 30H:
Read/write
D7 D6 D5 D4 D3 D2 D1 D0 Function
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x x x x x x 0 x IBM cash drawer connected
x x x x x x 1 x IBM cash drawer not connected
x x x x x 0 x x IBM cash drawer open
x x x x x 1 x x IBM cash drawer closed