Getting Started with LTE Modem Cards
3.2 Digital Audio Interface (mPLSx3 only)
20
t
mPLS62_mPLS8_mPLAS9_mPLSx3_ug_startup_v03
2021-03-15
Public / Released
Page 18 of 21
3.2
Digital Audio Interface (mPLSx3 only)
The mPLSx3 product family supports a digital audio interface, which can be used together with
the LTE Modem Card Adapter Board. Therefore following parts are needed:
- Wideband Audio Codec Adapter (ordering number: L30960-N0120-A100)
- Audio Brigde (delivered with the Wideband Audio Codec Adapter)
Remove the Jumper from X20 and connect the Audio Brigde on X20 of LTE Modem Card
Adapter Board. Place the Jumper on the Audio Bridge at the same location as previous on
X20.Then connect the Wideband Audio Codec Adapter on the Audio Brigde. For more stability
use a spacer and 2 screws between the single screw hole on the Wideband Audio Codec
Adapter and the corresponding hole of the LTE Modem Card Adapter Board.
shows
the set-up,.
Figure 10:
LTE Modem Card Adapter Board with Audio Brigde and Wideband Audio Codec Adapter
LTE
Modem
Adapter
Board
Wideband
Audio
Codec
Adpater
Au
d
io
Br
ig
d
e
Headphone
Speaker
Right Microphone
Left Microphone
Headset (RJ9)
place here a spacer between Wideband Audio Codec Adapter
and LTE Modem Card Adapter
Jumper
