Siemens OPTIPOINT 500 User Manual
Page 51
P31003-E8400-A100-3-7620
Service Manual
5-5
Nur für den internen Gebrauch
Option Adapters and Ports
optiPoint 500 acoustic adapter
●
Ringing, alerting, and key tones are switched to the basic speaker (and not to the external
speaker port).
●
You can use the volume keys on the telephone to adjust the volume level of both the inter-
nal and external speakers.
You can also use the volume control on the external amplifier to adjust the volume of the
external speaker.
Pin assignments, Desk Microphone and External Speaker: MW 8/8
External Speaker:
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
+U
GND
NF
Sens
LS_SENS
LSP
NC
DGND
Internal resistance:
0 ohms; 10
µF
Level (with PCM -20dBm):
-4.8 dBm (at volume level 8; 0.775 V = 0 dBm)
Sense lead to GND:
Int. speaker deactivated, active for ringer only
1
2 3 4 5 6 7 8
RJ45
Y cable MW8/8
for connecting
speaker and mi-
crophone
Floating contact
(MW6/6)
Headset MW8/8