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LZT 123 7589 R1A
14. USING THE DEVELOPER'S KIT
Connector
Type
Handset
RJ9 socket
'X6'
EAR
3.5mm
'X7'
Stereo
JackSocket
MIC
3.5mm
'X8'
Stereo
JackSocket
5 - 32V DC
2.1mm DC
'X9'
Jack Socket
Description
Connector for a standard
telephone handset. Carries
1 2 3 4
signals from the balanced
outputs BEARN and BEARP and
to the balanced inputs MICN
and MICP. To enable an analog
audio link it is necessary to link
PCM signals "ULD to OUT" and
"DLD to IN" using jumper links on the PCM
header.
Note: The PCM links to enable analog audio
are fitted by default but may have been
removed during customer development. There
will be no analog audio without these links.
Please check carefully.
This is a standard unbalanced audio output
(AFMS) which is compatible with a standard
PC-style stereo headset.
Note: This MONO audio signal is fed to both left
and right channels of the stereo connector. To
enable this analog audio link it is necessary to
link PCM signal DLD to signal IN using a jumper
link on the PCM header.
Note: The PCM links to enable analog audio
are fitted by default but may have been
removed during customer development. There
will be no analog audio without these links.
Please check carefully.
ground
This is a standard unbalanced audio input
(ATMS) which is compatible with a standard
PC-style microphone.
Note: Microphone bias voltage is provided
through this connector in the range 2.0VDC to
2.5VDC.To enable this analog audio link it is
necessary to link PCM signal ULD to signal IN
using a jumper link on the PCM header.
Note: The PCM links to enable analog audio
are fitted by default but may have been
removed during customer development. There
will be no analog audio without these links.
Please check carefully.
ground
Allows connection of an
external power supply in the
voltage range +5.0VDC to
+32.0VDC at 4 Watts.
ear
ear
mic
mic
81
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