I did a Firmware Reset by setting SW2-1. Now its lost my IP settings (not surprising). What are the default IP settings for a firmware reset RTCM?On Sat, Nov 25, 2017 at 11:27 AM, Jesse Lloyd <ve7lyd@gmail.com> wrote:Yup. So your levels are either too hot or too low coming in. Throw a test tone on the receiver and measure your audio level with a scope or dmm on the input to the RTCM.
Cheers,JesseMine never goes solid. It starts blinking more quickly but not as quickly as the heartbeat LED. I think that means the test failed.On Sat, Nov 25, 2017 at 10:34 AM, Jesse Lloyd <ve7lyd@gmail.com> wrote:I flip both middle switches (2&3) down. Wait for the LED to go solid. Flip them back.
Cheers,JesseYes, I believe I am feeding unsquelched audio to the RTCM. How do you properly do the calibration procedure?-Doug-On Sat, Nov 25, 2017 at 9:28 AM, Jesse Lloyd <ve7lyd@gmail.com> wrote:Are you feeding unsquelched discriminator audio to the RTCM?
The calibration needs to work before the RTCM will squelch properly.
Cheers,JesseI am trying to prototype a RTCM based voting system with 2 RTCMs.I am using two JSLM2 Data Radios as transceivers.Using HP8920B service monitor to drive the radios.Good news: I can get both RTCMs and both radios to transmit. Test tones sound fine. Deviation good.Bad news: I can't get the RTCMs to register the incoming audio signal. There is no CTCSS in these radios, so that line is not connected. I have no COS signal connected either. Just audio in/out and PTT to the radio.I have confirmed the radios are receiving and are sending audio to the RTCMs using an oscilloscope. If anything the audio is way high in level. I measured 1v peak-to-peak when I think the RTCM is expecting 200mV. Tried the 20db pad with no effect. My suspicion is that the RTCM is a high-impedance input so the voltage is floating up in the absence of appropriate load (say from a 600 or 2k ohm).Second, I never get the green receive light on so I suspect there is actually some squelching or some such going on that is gating the audio signal off.Third, I have not been able to the the Squelch calibration or Diode calibration to behave. Does this require the diagnostic cable described in the interface to be used? The procedure is not documented well.I would love to see a know working config and wiring setup to confirm what I have done.-Doug-Current settings:Select the following values to View/Modify:S/W Version: 1.51 08/08/2017System Uptime: 2095.0 SecsIP Address: 192.168.0.75Netmask: 255.255.255.0Gateway: 192.168.0.1Primary DNS: 192.168.0.1Secondary DNS: 192.168.0.1DHCP: 1VOTER Server IP: 104.197.124.184VOTER Server UDP Port: 667OUR UDP Port: 667GPS Lock: 1Connected: 0COR: 0EXT CTCSS IN: 1PTT: 0RSSI: 0Current Samples / Sec.: 8000Current Peak Audio Level: 112Squelch Noise Gain Value: 0, Diode Cal. Value: 0, SQL pot 0Current Time: Sat Nov 25, 2017 17:14:12.740Last Rx Pkt System time: <System Time Not Set>, diff: -198435452 msecLast Rx Pkt Timestamp time: <System Time Not Set>, diff: 0 msecLast Rx Pkt index: 0, inbounds: 01 - Serial # (1162) (which is MAC ADDR 00:04:A3:00:04:8A)2 - VOTER Server Address (FQDN) (xxx.org)3 - VOTER Server Port (667), 4 - Local Port (Override) (0)5 - Client Password (xxx1), 6 - Host Password (xxx2)7 - Tx Buffer Length (3000)8 - GPS Data Protocol (0=NMEA, 1=TSIP) (0)9 - GPS Serial Polarity (0=Non-Inverted, 1=Inverted) (0)10 - GPS PPS Polarity (0=Non-Inverted, 1=Inverted, 2=NONE) (0)11 - GPS Baud Rate (4800)12 - External CTCSS (0=Ignore, 1=Non-Inverted, 2=Inverted) (0)13 - COR Type (0=Normal, 1=IGNORE COR, 2=No Receiver) (0)14 - Debug Level (0)15 - Alt. VOTER Server Address (FQDN) ()16 - Alt. VOTER Server Port (Override) (0)17 - DSP/BEW Mode NOT SUPPORTED18 - "Duplex Mode 3" (0=DISABLED, 1-255 Hang Time) (1/10 secs) (0)19 - Simulcast Launch Delay (600) (approx 200 ns, 5 = 1us, > 0 to ENA SC)97 - RX Level, 98 - Status, 99 - Save Values to EEPROMi - IP Parameters menu, o - Offline Mode Parameters menuq - Disconnect Remote Console Session, r - reboot system, d - diagnostics_______________________________________________
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