Siemens S55 - 7 Interfaces; Vibra; Earpiece

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S55/S57 Company Confidential © Copyright Siemens AG 12/02
7 Interfaces
7.1 Vibra
Pin IN/OUT Remarks
1 I 2.9V
2 O The FET V212, switching this signal, is controlled via the
EGOLD+ signal VIBRA_UC.
7.2 Earpiece
Pin Name IN/OUT Remarks
1 EPP1 O 1st connection to the internal earpiece.
Earpiece can be switched off in the case of
accessory operation. EPP1 builds together
with EPN1 the differential output to drive the
multifunctional “earpiece” (earpiece, ringer,
handsfree function).
2 EPN1 O 2nd connection to the internal earpiece.
Earpiece can be switched off in the case of
accessory operation.
XG215
XG250