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| Indicators and Connectors Rear Panel | |||||||
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GroundID MAP/USB |
| 1ID MAP |
| GroundPower | Spkr+ | GroundAudio |
| AudioRx |
| Ground | Ground |
| 6GP5 |
| 7GP5 |
| 8GP5 | Alarm)(Ext 1VIP | |
2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 | 26 | |||||||
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| 1 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17 | 19 | 21 | 23 | 25 | ||
| D+ | Vbus | 2ID MAP | B+SW | AudioTx | RxD/1 OutAudio Aux | TxD/2 OutAudio Aux | (PTT)1 GP5 | (Monitor)2 GP5 | Act)(Chan 3GP5 | SwEmerg | SenseIgn | |||
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| Table | Rear Accessory Connector Pin Functions |
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Pin | Pin Name |
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| Pin Function |
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| Pin | Pin Name |
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| Pin Function | |||
No. |
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| No. |
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1 | D+ |
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| USB + (Data) |
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| 14 | Rx Audio |
| Receive Live Audio2 | ||||
2 | D- |
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| USB - (Data) |
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| 15 | AUX Audio 2 |
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| PUBLIC Address 2 | |||
3 | VBUS |
| USB Power (5V from USB |
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| 16 |
| GND |
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| Ground | ||||
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| accessory/cable) |
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4 | USB/MAP_ID GND |
| USB/MAP_ID Ground |
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| 17 |
| 5V Level GPIO, PTT Input1 | |||||||
5 | MAP_ID_2 |
| Accessory Identifier |
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| 18 |
| GND |
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| Ground | ||||
6 | MAP_ID_1 |
| Accessory Identifier |
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| 19 | 5V Level GPIO, Monitor Input3 | ||||||||
7 | SW B+ |
| Switched Battery Voltage |
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| 20 |
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| 5V Level GPIO | |||||
8 | PWRGND |
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| Ground |
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| 21 |
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| 5V Level GPIO, Channel | ||||
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| Activity Function | |||||||
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9 | SPKR- |
| Speaker - (3.2 ohm minimum |
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| 22 |
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| 5V Level GPIO | |||||
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10 | SPKR+ |
| Speaker + (3.2 ohm minimum |
| 23 | EMERGENCY |
| Emergency Switch Input | |||||||
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11 | Tx Audio |
| Rear External Microphone |
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| 24 |
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| No connection | |||||
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| Input4 |
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12 | Audio GND |
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| Audio Ground |
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| 25 | IGN SENSE |
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| No connection | |||
13 | AUX Audio 1 |
| PUBLIC Address 1 |
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| 26 |
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| 12V Tolerant, 5V GPIO, | ||||||
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| External alarm | |||||||||
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1Pulling this line to ground activates the PTT function, thus activating the AUX_MIC input.
2Fixed level (independent of volume level) received audio signal, including alert tones. Flat or
3This input is used to detect when a rear microphone accessory is taken
4This microphone signal is independent of the microphone signal on the front microphone connector. The nominal
input level is 80mVrms for 60% deviation. The DC impedance is 660 ohms and the AC impedance is 560 ohms.
March 2009 | 6816814H01 |
