[amsat-bb] Re: sprint 2 tnc hooking dilemma

Malcolm M. Preston malnp2l at attglobal.net
Fri Dec 1 11:47:26 PST 2006


I haven't used mine in a while, but my notes show:

J2 - Pin 7 not grounded (not connected to pin 7)

SP5 - should be open

I believe if you check all jumpers to the Factory Configuration, 
Satellite Model, on page 17 you should have it right.

Good luck.

Malcolm, NP2L

nader omer wrote:

>Hello all 
>  I need help to setup  sprint 2 tnc from paccomm
>  According to the  manual I hooked up all the jumpers  as it mention on the table at page 17 but nothing work 
>  The things confused me are
>  1-     on page 6 the manual mention
>   to operate a sprint-2 satellite model with same baud rate for uplink and downlink; ground the satellite selection line.J2 pin7
>  2-     on page 15 mention ground pin 7 to (j2 to pin 6) to activate the dual speed feature
>  3-     on page 30 SP5 is closed on all models except satellite model
>  to work echo satellite I need same speed 9600 for both up and down links 
>  so what I should connect? I tried all the different  ways of hooking the pins! but I got no print out from the satellite. the tnc can keying the radio and the dcd diode flickering  ok 
>  please if anyone could give me the tnc setup i will be graceful
>  73 de nadir st2nh 
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