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6.2.4 Time sequence of data receiving
Signal time demands:
6.3 USB interface (optional)
RS-232 serial interface is the standard interface of the printer, and USB interface is an optional one
which is compliant to USB 1.1 protocol standard, and work in full speed mode (For interface position,
please refer to figure 3.12 USB interface configuration model). Data transfer bit rate is 12Mbps.USB
transfers signal and power by a kind of four-line cable. D+ and D- connection wires in figure 6.3.1 are
used to send signal.
6.4 Power interface
This connector is used to connect the printer with external power supply.
The pin distribution of power connector:
Figure 6.2.1 Time sequence of parallel interface data receiving
Signal
setup
ready
stb
busy
hold
Table 6.2.3 Demand explanation of interface signal
Figure 6.3.1 USB Cable
PIN
1
2
3
SHELL
Table 6.5
Power pin definition explanation
Figure 6.3 Power supply pins
Min.( ns）
0.75
0
0.75
0
0.75
Signal name
+24V
GND
NC
F.G.
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User Manual
BK-S216
Max.( ns）
-
-
500
2.5
-
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