Partner Tech International PT-6900, Руководство по обслуживанию, Страница: 60 / 106

50 Locating the Problem
Figure 4.1 Connecting a cash drawer
3
Turn on the PT-6900.
Refer to the following to prevent incorrect cash drawer status detection by the system:
P
ORT
I/O
PORT ADDRESS
B
IT
C
ONDITION
N
OTE
Control port 404dh 7
High (1) -> Close
Low (0) -> Open
If bit7 is set to Low to open the
cash drawer, after it must be set
back to High to prevent the sys-
tem as always detecting the
drawer as open.
Status port 404ah 4
High (1) -> Close
Low (0) -> Open
Cashdrawer