User Guide

NHB–3
Technical Documentation
PAMS
HF Desktop Charger CHH–8P
Original 26/97 Page 9
Phone System Connector X701
Pin: Line: Function:
1 DGND Power supply ground
2 XMIC Microphone signal
3 AGND Analog ground
4 TDA Transmitted data
5 M2BUS Serial bidirection bus
6 HOOK Not used
7 PHFS Not used
8 VC Supply/charging
9 DGND Power supply ground
10 XEAR/HFJWR Earphone signal/CHH–8 power switch
11 DSYNC Data syncronisation
12 RDA Received data
13 BIND Not used
14 VF Not used
15 DCLK Data clock
16 VC Supply/charging
Data Accessory Connector X510
Pin: Line: Function:
1 DSYNC Datasyncronisation
2 +VD Supply voltage
3 DGND Supply power good
4 M2BUS Serial bidirection data
5 RDA Received data
6 TDA Transmitted data
7 AGND Analog ground
8 XMIC Microphone signal
9 XEAR Earphone signal
10 DCLK Data clock