User Guide

NHB–3
Technical Documentation
PAMS
HF Desktop Charger CHH–8P
Original 26/97 Page 10
Internal System Connector X500/DC3, X700/DC4
Pin: Line: Function:
1, 2 VC Supply/charging
3 +5V
4 PHFS Not used
5 DGND Power supply ground
6 DSYNC Data syncronisation
7 DCLK
8 TDA Transmitted data
9 RDA Received data
10 DGND Power supply ground
11 M2BUS Serial bidirection bus
12, 14 AGND Analog ground
13 XEAR Earphone signal
14 AGND Analog groud
15 XMIC Microphone signal
16 AGND Analog ground
17, 18 DGND Power supply ground
Internal Speaker Connector X460/DC3
Pin: Line: Function:
1 HFSPK HF speaker signal
2 AGND Analog ground
External Microphone Connector X440/DC3
Pin: Line: Function:
1 HFMIC HF microphone signal
2 AGND Analog ground