PTTLink Tips

Test NodeNames file

sudo nano /var/lib/asterisk/rpt_extnodes

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.

Nano-Node Levels

• Set Rx Level to 100 on Nano-Node.
• Set Tx Level to 100 on Nano-Node.
• Set Rx Level to 705 for URIxB in simpleusb_tune_usb_xxxxx.conf.
• Set Tx Level to 705 for URIxB in simpleusb_tune_usb_xxxxx.conf.

MTM 5400 Levels

• Set Rx Voice Level to 200.
• Set Transmit A Level to 500.

URIxB connected to a DIU 3000 Levels

carrierfrom = usbinvert
ctcssfrom = no
invertptt = 0
duplex = 0

[usb_55050]
; name=usb_55050
; devicenum=1
devstr=1-1.3:1.0
rxmixerset=500
txmixaset=700
txmixbset=500

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)