PTTLink Tips

Test NodeNames file

sudo nano /var/lib/asterisk/rpt_extnodes

Audio Level Settings

On your MTR-2000

This settings are considered using a DMK Engineering URIxB interface.

Set Rx Wireline Level to 0 dBm.

Set Tx Wireline Level to 0 dBm.

On your PTTLink node

This settings are considered using a DMK Engineering URIxB interface.

Set Rx Voice Level to 950.

Set Transmit A Level to 999.

On your Nano-Node

Set Rx Level to 95.

Set Tx Level to 99.

On your MTM 5400

Set Rx Voice Level to 200.

Set Transmit A Level to 500.

rpt.conf

[Events43852]
; RF Transmit
; sudo /usr/local/sbin/PTT-GPIO-high.sh = S|T|RPT_TXKEYED;
; sudo /usr/local/sbin/PTT-GPIO-low.sh = S|F|RPT_TXKEYED;

; RF Transmit
;/home/repeater/tetra_4_PTTLink/PTT-GPIO-lo.sh = S|T|RPT_TXKEYED;
;/home/repeater/tetra_4_PTTLink/PTT-GPIO-hi.sh = S|F|RPT_TXKEYED;

gpio -g write 20 0 = S|T|RPT_TXKEYED;
gpio -g write 20 1 = S|f|RPT_TXKEYED;

; RF Receive
RPT_RXKEYED;

; TETRA_PTT = v|e|${RPT_RXKEYED} & !${RPT_TXKEYED}

For your URIxB connected to a DIU 3000

Set Rx Voice Level to 500.

Set Transmit A Level to 700.

Regresar a Radioafición en Español

PTTLink to DMR Plus Audio Settings

Analog_Bridge

usrpAudio = AUDIO_USE_AGC  ; Digital -> Analog (AUDIO_UNITY, AUDIO_USE_GAIN, AUDIO_USE_AGC) usrpGain = 5.00  ; Gain factor when usrpAudio = AUDIO_USE_GAIN (0.0 to 5.0) (1.0 = AUDIO_UNITY) usrpAGC = -20,16,100  ; Set the agc threshold (db), slope (db) and decay (ms) tlvAudio = AUDIO_USE_GAIN  ; Analog -> Digital (AUDIO_UNITY, AUDIO_USE_GAIN, AUDIO_BPF) tlvGain = 0.15  ; Gain factor when tlvAudio = AUDIO_USE_GAIN (0.0 to 5.0) (1.0 = AUDIO_UNITY)

Regresar a Radioafición en Español