Service Manual

Interface Description EMIII-DUAL Servce Manual Application Information
EMIII-DUAL V1.0 AnyDATA.NET Proprietary – Use Subject to Restrictions
NAME DESCRIPTION CHARACTERISTIC
GND Signal Ground Signal ground
4.2.2 Signal level of RXD/TXD
PC
RS232
TX
RX
01 03
DT2000 -DUAL
Vout= 2.8V
+3V +3V
MSM_input
MSM_output
SIPEX207
+4V
V
EMIII-DUAL
02 04
RS232 PHONE
TX01 RX02 TX04 RX03
V
MAX
= 7.68V
V
MIN
= -7.68V
V
MAX
= 6.50V
V
MIN
= -6.64V
V
MAX
= 3.00V
V
MIN
= 0V
V
MAX
= 3.9V
V
MIN
= 0V
[Figure 4-2] Signal Level of RXD, TXD
4.3 The function of Real Audio Test( including Voice Test)
NAME TYPE DESCRIPSION
MIC+ I Microphone audio input
MIC- IS Ear/microphone set detect
EAR O Ear audio output
GND_A Audio ground