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added photo
[[File:Dtech_DT-9011_Stock_Photo.jpg|thumb|Dtech DT-9011]]
== Overview ==
== Overview ==
| U1-U2
| U1-U2
| SOIC-8
| SOIC-8
| M?r?ne MB??660C 1940
| MicroOne ME7660C 1940
|-
|-
| U3-U6
| U3-U6
| [https://www.digikey.com/product-detail/en/toshiba-semiconductor-and-storage/TLP185-GR-TPR-E/TLP185-GR-TPRE-CT-ND/3025457 Toshiba TLP185(GR-TPR,E)]
| [https://www.digikey.com/product-detail/en/toshiba-semiconductor-and-storage/TLP185-GR-TPR-E/TLP185-GR-TPRE-CT-ND/3025457 Toshiba TLP185(GR-TPR,E)]
|}
|}
U1 and U2 have their markings partially ground off. The ME7660C is functionally equivalent to LMC7660/ICL7660/TC7660/TL7660 charge pumps.
[https://cdn.datasheetspdf.com/pdf-down/M/E/7/ME7660C-MicroOne.pdf MicroOne ME7660C Datasheet]
The board has edge soldered connectors similar to these:
The board has edge soldered connectors similar to these:
[http://www.imaginart.es/audiovisuales/dtech/pdf/Catalogo_Dtech_conversores_industriales.pdf Dtech Industrial Converter Catalog]
[http://www.imaginart.es/audiovisuales/dtech/pdf/Catalogo_Dtech_conversores_industriales.pdf Dtech Industrial Converter Catalog]
[http://ww1.microchip.com/downloads/en/AppNotes/00782a.pdf Microchip AN782 TC7660 Powers RS-232 Data Loop Low Cost Adapter (DS00782A)] (possibly relevant application note)