Pin-Belegung

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Nokia 8110 Pin-Out diagram

1 GND - Charger/System Ground
2 V_OUT - Accessory Output Supply (Min/Typ/Max - 3.4 ... 10V Output Current 50 mA)
3 XMIC - External Microphone Input and Accessory Identification
   Identification
   TYP/MAX: 8... 50mV (The maximum value corresponds to 0dBm
   network level withminput amplifier
   gain set to 20 dB, typical value is maximum value -16dB)
  ID Accessory Identification
   * 1,7... 2,05V Headset adapter connected
   * 1,15... 1,4V Compact hands free unit connected
   * 2.22... 2,56V Infra red link connected
4 EXT_RF - External RF Control Input
   Min/Max: 0... 0.5V External RF in use
   Min/Max: 2.4... 3.2V Internal antenna in use
5 TX - FBUS Transmit
6 MBUS Serial Control Bus
   * Logic low level: 0... 0.5V
   * Logic high level: 2.4... 3.2V
7 BENA - Not Connected
8 SGND - Signal Ground
9 XEAR - External Speaker and Mute Control
   * Min/Typ/Max: 0... 32... 500mV
   (Typical level corresponds to -16dBM)
   Network level with Volume Control in Nominal Position 8dB Below Maximum
   Maximum 0 dBM Maximum Volume Codec Gain -6dB)
   Mute ON (HF SPEAKER MUTE): 0... 0,5V d.c.
   Mute OFF (HF SPEAKER ACTIVE): 1,0... 1,7V d.c.
10 Hook - Hook Signal
   Hook Off (Handset in use): 0... 0,5V
   Hook On (Handset in use): 2,4... 3,2V
11 RX - FBUS Receive
   * Accessory FBUS Receive Signal
12 V_IN - Charging Supply Voltage (Max 16V)

M2BUS Cable Schematic

This cable is the same for all Nokia phones.

NCDS Interface Schematic for Nokia 3110, 8110, 8110i