Siemens HiPath 3000 Series Service Documentation page 925

Nur für den internen Gebrauch
Ring, alarm and key tones are transferred to the internal loudspeaker and not to an exter-
●
nal loudspeaker connected to the optiPoint acoustic adapter.
The volume keys on the optiPoint terminal are used to adjust the volume level of the inter-
●
nal loudspeaker and any connected external loudspeaker. The volume of the external
loudspeaker can also be adjusted using the external amplifier.
Y cable
Loudspeaker
acoustic adapter
Figure 10-50 Y Cable for optiPoint acoustic adapter
A31003-H3590-S100-7-7620, 06/2012
HiPath 3000/5000 V9, Service documentation
4 1
microphone
Assignment of the MW4 connection sockets:
Pin
1 sense lead
2
3
4
Internal resistance: 0Ω; 10 µF
Level (for PCM -20 dBm): -4.8 dBm (at volume level 8; 0.775
V = 0 dBm)
Sense lead to GND: int. loudspeaker deactivated; only active
for tone ringing.
Pin
1
2
3
4 sense lead
Input level -50 dBm: -12 dBm PCM signal
Input resistance: 150 kΩ parallel to 220 nF in series with 36
kΩ
Sense lead to GND: internal microphone deactivated.
Workpoint Clients
optiPoint 500
Signal
NF+
Free
GND
Signal
+5V
GND
Free
wclient.fm
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