
GSM modem iRZ MC52iWDT
User Manual
9
2.5.3.
Audio Interface Connector RJ11
4
5
6
3
2
1
Fig.2.5.3 Connector RJ11
Таблица
2.5.3 Purpose of the power supply connector pins.
Contact Signal
Purpose
1
MICP
microphone input and microphone power supply not inverse
2
SPKP
phone output not inverse
3
SPKN
phone output inverse
4 MICN
phone
input
inverse