Interface Description EMII-800 Service Manual Application Information
EMII-800 V1.0 AnyDATA.NET Proprietary
Use Subject to Restrictions
4.2.2 Signal level of RXD/TXD
PC
RS232
TX
RX
01 03
DTSS -800
Vout= 2.8V
+3V +3V
MSM_input
MSM_output
SIPEX207
+4V
V
EMII-800
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