Vertex Standardt VXD Series Guía de instalación descargar pdf (Pagina 16)

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Chapter 3 Indicators and Connectors

3.2.2 Rear Accessory Connector

The rear accessory connector is located above the ethernet connector. Most of the Vertex Stan-

dard-approved accessories are supplied with female terminals crimped to a 20-gauge wire speci-

cally designed to t the housing of the rear accessory connector.

Insert the female terminal into the accessory connector housing in the appropriate locations. The

accessory connector housing is provided together with the accessory. Connect the accessory

connector housing to the rear accessory connector on the back of the repeater. Do not use other

generic terminals in the housing. Generic terminals can cause electrical intermittences and may

cause damage to the housing.

Pin No. Pin Name Pin Function Pin No. Pin Name Pin Function

1 D+ USB + (Data) 14 Rx Audio Receive Live Audio

2 D- USB - (Data) 15 AUX Audio 2 Public Address 2

3 VBUS

USB Power

(5V from USB accessory/cable)

16 GND Ground

4 USB/MAP_ID GND USB/MAP_ID Ground 17 GP5-1 (PTT) 5V Level GPIO, PTT Input

5 MAP_ID_2 Accessory Identier 18 GND Ground

6 MAP_ID_1 Accessory Identier 19 GP5-2 (Monitor) 5V Level GPIO, Monitor Input

7 SW B+ Switched Battery Voltage 20 GP5-6 5V Level GPIO

8 PWRGND Ground 21 GP5-3

5V Level GPIO,

Channel Activity Function

9 SPKR-

Speaker -

(3.2 ohm minimum impedance)

22 GP5-7 5V Level GPIO

10 SPKR+

Speaker +

(3.2 ohm minimum impedance)

23 EMERGENCY Emergency Switch Input

11 Tx Audio Rear External Microphone Input

24 GP5-8 No connection

12 Audio GND Audio Ground 25 IGN SENSE No connection

13 AUX Audio 1 Public Address 1 26 VIP-1

12V Tolerant, 5V GPIO,

External alarm

1 Pulling this line to ground activates the PTT function, thus activating the AUX_MIC input.

2 Fixed level (independent of volume level) received audio signal, including alert tones. Flat or de-emphasis are programmed by the

Programming Software. Output voltage is approximately 330 mVrms for 1kHz of deviation.

3 This input is used to detect when a rear microphone accessory is taken off-hook.

4 This 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.

Table: Rear Accessory Connector Pin Functions

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 22 23 24

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