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<strong>TTP</strong>-<strong>245</strong> / <strong>TTP</strong>-<strong>343</strong><br />
2.16. Summary of PCB connectors<br />
Connector Description Remark<br />
JP1 Reserved<br />
J1A Internal Ethernet connector Pin 1 with red wire<br />
J1B Internal Ethernet connector<br />
JP2 DC power jack<br />
JP3 JTAG connector For CPLD program update<br />
JP4 For firmware update card At the back side of PCB<br />
JP5 Button & LED<br />
JP6 Memory card connector At the back side of PCB<br />
JP7 Canceled<br />
JP8 Stepping motor<br />
JP9 Ribbon DC motor For thermal transfer printer only<br />
JP10 Cutter<br />
JP11 TPH connector<br />
JP12 Centronics port connector<br />
JP13 USB connector<br />
JP14 RS-232 pin 9 +5V jumper JP14 Shorted can provide 5V<br />
on RS-232 pin9<br />
JP15 RS-232 connector<br />
JP16 Head open sensor<br />
JP17 Peel off sensor<br />
JP18 Gap/black mark sensor (emitter &<br />
receiver)<br />
JP19 Ribbon end sensor<br />
JP20 Reserved<br />
JP21 Gap/black mark sensor (emitter &<br />
receiver)<br />
JP22 Reserved<br />
JP23 Reserved<br />
JP24 Reserved<br />
JP25 Provide 5V DC for Centronics pin 18 Shorted JP25 can provide 5V<br />
DC 0.3A for Centronics port<br />
pin18<br />
JP26 5V DC connector Provide 5V DC, 0.3A<br />
JP27 Hardware ID<br />
37
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