V1.0 Page 40 of 46 ICM MP CCQ ST
C45, M50 AND MT50 Company Confidential © Copyright Siemens AG 05/02
7.3 Microphone and Loudspeaker (Ringer)
7.3.1 Loudspeaker
Loudspeaker (EPP1_FIL, EPN1_FIL, EPP2, EPN2) and Microphone (MIC2, MICN2-
MICP1, MICN1) are connected directly to the Voiceband-Part of EGOLD+
7.3.2 Microphone
Both Microphones are directly connected to the EGOLD+.(Voiceband F1-F4) via the
signals MICN1, MICP1 (Internal Microphone )and MICN2, MICP2
(External Microphone/Headset). Power supply for the Microphone is
VMIC (Voiceband E1)
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