Help with mc1000 and L326atone remote adapter

[hfd376]

I'm trying to get an mc1000 to talk to an L3276a tone remote adapter. I'm using four wire and I have the transmit and receive plus and minus of the mc1000 going to the correct 8 pin screw down accessory terminals on the L3276A. The transmit led doesn't light up when I key the mc1000. Using an audio amp, I can hear the function tones coming from the mc1000 at the accessory connector. The sanity led on the L3276 circuit board is blinking. As far as I know, both devices were new old stock. The purpose of the exercise to to remote a single channel radio, so there's no need for channel steering. Obviously, it's not keying he radio either. I've tried connecting the mc1000 to an mtr2000, and I could hear audio from the mtr, but could not key it.

As far as I understand, the mc1000 simply sends the function tones to the tra, and the tra tells the radio to key and de key. It seems like the tra isn't hearing the function tone from the mc1000. Does anyone have a solution?

 

[ramal121]

The MC1000 remote does not connect to the 8 pin accessory connector. That is only used for local remotes. You need to input your wireline to the Line in modular jack to use a tone remote.

 

[hfd376]

The MC1000 remote does not connect to the 8 pin accessory connector. That is only used for local remotes. You need to input your wireline to the Line in modular jack to use a tone remote.

Thanks, I'll try that. What would be considered a local remote?

 

[hfd376]

Thanks, I'll try that. What would be considered a local remote?

According to the documentation, pins 1-4 of the accessory connector is what the mc1000 connects to. I'm assuming the wireline they refer to would be for a leased phone line. Is that not correct?

 

[ramal121]

A local remote has discrete lines for receive audio, transmit audio, PTT and monitor. Also called E&M signaling. It really doesn't need to connect to the adaptor as they can be wired directly to a radio. Makes for a simple set up however they can't be very far from the base. Hence the term "local". Tone remotes on the other hand can be miles and miles via a phone line.

 

[ramal121]

The Line connector is for any wireline which is what the tone remote uses. It's been so long since I screwed with those I can't say the accessory connector pins 1-4 will respond to function tone or not. Safest is to use the line in as this is how most TRAs are connected.

 

[hfd376]

The Line connector is for any wireline which is what the tone remote uses. It's been so long since I screwed with those I can't say the accessory connector pins 1-4 will respond to function tone or not. Safest is to use the line in as this is how most TRAs are connected.

Okay, thanks for the explanation.

 

[hfd376]

Okay, thanks for the explanation.

I have the 4 wires from the mc1000 to an rj11 plug, and is plugged into the wireline connector. When pressing the transmit button, TRA doesn't go into transmit mode.

 

[RadioGuy7268]

Have you programmed the MC1000 as a 4 wire remote ? Have you opened up the MC1000 and confirmed that the 4 wires are all connected properly?

 

[hfd376]

Thanks for the reply, that's likely the issue, I haven't done the button sequence to program anything. The dip switch 3-3 is on in the 4 wire position.

 

[hfd376]

I did program the mc1000 deskset as 4 wire full duplex. Still not getting the ptt led to light.