Siemens HiPath 5000 Service Manual page 879

Ring, alarm and key tones are transferred to the internal loudspeaker and not to an external
●
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 loud-
speaker can also be adjusted using the external amplifier.
Y cable
acoustic adapter
Figure 10-16 Y Cable for optiPoint acoustic adapter
P31003-H3560-S403-54-7620, 09/05
HiPath 3000 V6.0, HiPath 5000 V6.0, Provisional Service Manual
loudspeaker
4 1
microphone
Assignment of the MW4 connection sockets:
Pin
1 sense lead
2
3
4
Internal resistance: 0 Ω; 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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