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[aprssig] ic-2100h mic cable

DALE wa7ixk at embarqmail.com
Fri Jul 30 01:17:48 UTC 2010


Cat 5 cable does not have shielded mike wire. This is needed in many cases.
Cat 5 cable has 4 signal wired and 4 gnd wires. They are a twisted pair for common node noise rejection. For most microphones the gnd wires are not properly paired
to the proper signal wire. And each brand of radio uses a different wiring scheme.
The mike has a separate gnd wire, the ptt has a separate ground wire, each other circuit has a separate gnd wire. They are common at the radio, but floating on the other end.
If you do not want to have problems use the factory cable.
I use short lengths of cat 5 at times.
Dale

----- Original Message -----
From: "Jaye Inabnit ke6sls" <ke6sls at arrl.net>
To: aprssig at tapr.org
Sent: Thursday, July 29, 2010 6:03:38 PM GMT -08:00 US/Canada Pacific
Subject: [aprssig] ic-2100h mic cable


Hi Gang:

Is there a trick to making a cable for this radio?  I had a cat5 cable here I 
used, but I am getting flaky mic connection.  Is a yeasu specific connector 
required for these rigs?

Thanks, 73

-- 
jaye, ke6sls

H



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