Help Required to install a RIM-Maxtrac from repeater-builder

hi help needed please i have a Motorola GM340 radio a Raspberry Pi 3 B+ & a RIM-Maxtrac (repeater-builder) + RPi2/RPi2-3-4_V1.6-01_Allstar.img what setting do i need to change for the RIM-Maxtrac to work i am new to allstar

thanks
John m6jgj

John,

Have you taken a look at the various notes found on the schematic?

Scott

Scott Zimmerman
Amateur Radio Call N3XCC
474 Barnett Road
Boswell, PA 15531

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On 6/24/2020 4:31 PM, John via AllStarLink Discussion Groups wrote:

[m6jgj] m6jgj https://community.allstarlink.org/u/m6jgj
June 24

hi help needed please i have a Motorola GM340 radio a Raspberry Pi 3 B+ & a RIM-Maxtrac (repeater-builder) +
RPi2/RPi2-3-4_V1.6-01_Allstar.img what setting do i need to change for the RIM-Maxtrac to work i am new to allstar

thanks
John m6jgj


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you might put a wanted ad on the QRZ forums. I have had luck there before.
C

An easy way to get your setup going is too use the simple usb menu on the Hamvoip main menu. Then select “V” that will show you several boxes for COS…CTCCSS as well as the PTT function. If you are not getting a CIS or CTCSS DECODE exit the V selection and look at the setting for COS R CTCSS and change the setting to a different selection not knowing what your radio is producing. For example COS has No, Inverted, non-inverted…etc. After changing one selection, select “V” and see if that made a difference when you key your input device. You can literally not know what any of your connections need to he,and using this method of change then View can get all your settings correct to make the node function. How this helps.

this is my simpleusb

Active simpleusb device stanza: [usb] ------------------------------------
S) Select active USB device stanza
V) View COS, CTCSS and PTT Telemetry using real-time display
P) Print Current Parameter Values ---- 2) Set Rx Voice Level (using display)
3) Set Transmit A Level ---- 4) Set Transmit B Level
5) Set Tx Audio Level Method (currently LOG)
7) Set Transmit DSP Level
B) Toggle RX Boost Mode (currently Disabled)
C) Toggle Echo Mode (currently Disabled)
D) Flash (Toggle PTT and Tone output several times)
E) Toggle Transmit Test Tone/Keying (currently Disabled)
K) Manually key COS (currently Unkeyed)
F) Toggle PRE-emphasis Mode (currently Enabled)
G) Toggle DE-emphasis Mode (currently Enabled)
H) Toggle PLfilter Mode (currently Enabled)
Q) Toggle DCSfilter Mode (currently Disabled)
I) Toggle PTT Mode (currently active LOW)
J) Change COSFROM Mode (currently “usbinvert”)
L) Change CTCSSFROM Mode (currently “no”)
M) Change RXONDELAY value (currently “0”)
N) Change RXAUDIODELAY value (currently “0”)
W) Write (Save) Current Parameter Values
0) Exit Menu

REALTIME RX TELEMETRY DISPLAY:
COS | COS | COS | CTCSS | CTCSS | PTT
(composite) | (input) | (test) | (input) | (override) |
CLEAR | CLEAR | CLEAR | IGNORE | CLEAR | CLEAR

REALTIME RX TELEMETRY DISPLAY:
COS | COS | COS | CTCSS | CTCSS | PTT
(composite) | (input) | (test) | (input) | (override) |
KEYED | KEYED | CLEAR | IGNORE | CLEAR | CLEAR

Please enter your selection now: s

Active simpleusb device stanza: [usb]
No additional USB devices found

You need to make sure you are following the schematic that Scott posted last year. The link has moved a bit since then…

I believe on a GM340 you need COS inverted, like your SimpleUSB output claims you do.

You also need to make sure the pins on the radio side are configured correctly with the GM programming software.


(image credit: How To Set Up A Motorola GM340 For Allstar. - allstar setup.com)

Aside from …possibly not having the 16-pit connector plugged in correctly (upside down?) … there’s really not much else one should have to do to get ASL talking to the radio using the RIM.

Someone else please correct me if I’m mistaken there.

Hope this helps
Byron