TC65 TERMINAL SIEMENS, TC65 TERMINAL Datasheet - Page 27
![GSM/GPRS JAVA TERMINAL PACK](/photos/22/33/223398/4466132_sml.jpg)
TC65 TERMINAL
Manufacturer Part Number
TC65 TERMINAL
Description
GSM/GPRS JAVA TERMINAL PACK
Manufacturer
SIEMENS
Datasheet
1.TC65_TERMINAL.pdf
(58 pages)
Specifications of TC65 TERMINAL
Rohs Compliant
YES
- Current page: 27 of 58
- Download datasheet (3Mb)
3.7
The audio interface provides one analog input for a microphone and one analog output for an
earpiece.
•
•
•
•
The amplification of sending direction, receiving direction and sidetone depends on the current audio
mode.
EMC immunity complies with the vehicular environment requirements according to EN 301 489-7.
TC65 Terminal_HD_V01.041
TC65 Terminal Hardware Interface Description
Strictly Confidential / Released
MIC
EP
The microphone input and the earpiece output are balanced.
For electret microphones a supply source is implemented.
The microphone supply characteristics are optimized for the recommended Votronic handset. For
ordering Information see Chapter 7.
This handset has been used for the reference handset for type approval. An extra approval must
be obtained for integrating other handsets or amplifiers.
Audio Interface
Microphone
Feeding
-18dB ... 0dB in steps
<outBbcGain>
1 2 3 4
of 6dB
0dB...42dB in steps
<inBbcGain>
of 6dB
Figure 7: Audio Western plug (4-pole female)
Figure 8: Audio block diagram
A
A
Pin assignment
1 - MICN (Microphone - )
2 - EPN (Earpiece)
3 - EPP (Earpiece)
4 - MICP (Microphone + )
Page 27 of 58
D
D
AT parameters are given in brackets <...>
<sideTone>
-
<inCalibrate>
<outCalibrate[n]>
-
... 0dB
n = 0, ..., 4
... 0dB
and marked red and italic.
s
decoder
Speech
Speech
coder
29.09.2005
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