CHAPTER 3 INTERFACE
B-EP Series
3-51
(3) Interface circuit
• Input circuit
• Output circuit
Signal levels
Input voltage H .... +2.4 V to +25 V
L ..... -25 V to -0.6 V
Output voltage H .... Min. +5.0 V Typ +5.4 V
L ..... Min. -5.0 V Typ -5.4 V
(4) Connector used for the communication cable
• For the printer
Manufacturer: HOSHIDEN
Model name: TCP8685 or equivalent
• For the host
Manufacturer: DDK
Model name: 17JE-13090-02-D8C or equivalent
3.5.3 HANDLING OF RECEIVED DATA WHEN THE PRINTER GOES INTO POWER SAVE MODE
Data is left in the received buffer until reception is stopped and a timeout occurs (power save
mode) because the received buffer has not been initialized.
TXD
TTL/CMOS
LOGIC LEVEL
RXD
RS-232C LEVEL
RS-232C LEVEL
TTL/CMOS
LOGIC LEVEL
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