FX-980
Revision A
Product Description
Firmware Specifications
22
Table 1-13.
Connector Pin Assignment and Signals for Serial I/F
Pin
No.
Signal Name
In/
Out
*1
*1: In/Out refers to the direction of signal flow from the printer’s point of view/.
Functional Description
2
TXD
Out
Transmits data.
20
DTR
Out
Indicates that the printer is ready to
receive data or not.
11
REV
Out
Connected directly to the DTR signal.
4
RTS
Out
Request to send. Always SPACE level
when the printer is powered on. Pulled
up to +12 V via 4.7 K
Ω
resistor.
3
RXD
In
Receives data.
7
Signal GND
-
Signal GND.
1
Chassis GND
-
Chassis GND.
other
NC
-
Not used. Not connected.
Summary of Contents for FX-980 - Impact Printer
Page 1: ...EPSONFX 980 Impact Serial Dot Matrix Printer ...
Page 5: ...Revision Status Revision Issued Date Description A March 17 1999 First Release ...
Page 8: ... PRODUCTDESCRIPTION ...
Page 28: ... OPERATINGPRINCIPLES ...
Page 37: ... DISASSEMBLYANDASSEMBLY ...
Page 44: ... ADJUSTMENT ...
Page 51: ... TROUBLESHOOTING ...
Page 57: ... MAINTENANCE ...
Page 58: ...FX 980 Revision A Maintenance 58 See the FX 2170 Service Manual ...
Page 59: ... APPENDIX ...
Page 68: ...FX 980 Revision A Appendix Component Layout 68 Figure 7 5 C244PSH Board Component Layout ...
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