Nokia 31xx/81xx

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Nokia 31xx/81xx connector

Pin Signal Description
1 GND Charger/System Ground
2 V_OUT Accessory Output Supply. (3.4V…10V - 50mA)
3 XMIC External Microphone Input and Accessory Identification
1,7…2,05 V Headset Adapter Connected
1,15…1,4 V Compact Handsfree Unit Connected *2.22…2.56 V Infra Red Link Conneceted
4 EXT_RF External RF Control Input
0…0.5V External RF in use
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:2.4V….3.2V
7 BENA Not Connected
8 SGND Signal Ground
9 XEAR External Speaker and Mute Control
Mute ON (HF SPEAKER MUTE ):0…0,5 V d.c.
Mute OFF (HF SPEAKER ACTIVE ): 1,0…1,7 V d.c.
10 Hook Hook Signal
Hook Off (Handset in Use): 0….0.5V
Hook On (Handset in Use): 2.4V….3.2V
11 RX FBUS Receive
12 V_IN Charging Supply Voltage (Max 16V)


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Category:Cellular Phones Connectors


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