Epson switch MFJ-1278B Manual

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Epson switch MFJ-1278B
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406
MFJ-1278B MULTI-MODE APPENDIX E CONVERTING TO TNC-2
3. Construct Header U28 by connecting pins 2, 5, 6, 12, 15 and 19 to ground pin 10.
Connect pins 9 and 16 to +5 Volts at pin 20. See Figure E-2 below.
Fig. E-2: Header U28
4. Remove U27 on the MFJ-1278B PC board and replace it with Header U27.
5. Remove U28 on the MFJ-1278B PC board and replace it with Header U28.
6. Set the terminal program parameters as specified by the NET/ROM documentation.
Upon power on the MFJ-1278B should signed on like a TNC 2 and it is ready to operate
NET/ROM or other TNC 2 firmwares.
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