# Ericsson 628/788

UNKNOWN CONNECTOR

Pin | Description
--- | ---
1 | Audio Out
2 | Audio In
3 | Accessory Sense. GND to enable External Mic and Speaker (Analog)
4 | Audio Signal GND
5 | Portable handsfree In.
6 | Music Mute Out, High when phone is used.
7 | In Flash Memory Voltage and Service Voltage, In 0V=normal,+5V=test, +12V=test+flash
8 | Logic Out, Status On. Sources over 100mA
9 | Data Out from Mobile Station. Debug messages appear here at 112KBaud when in debug mode.
10 | Digital Ground and DC return
11 | Data in
12 | DC in for battery charging, DC out for accessory power

Contributor: Joakim Ögren

Source:
Ericsson 628/788 pinout at Technick.net

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May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-08