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HB9AK > PACKET 15.02.04 14:11l 27 Lines 982 Bytes #999 (0) @ WW
BID : 17371_HB9AK
Read: GUEST VE7HFY
Subj: Packet port of Kenwood TM-G707
Path: DB0FHN<DB0FOR<DB0MRW<DB0PV<DB0FSG<HB9EAS<HB9AK
Sent: 040215/0818z @:HB9AK.CHE.EU [JN47FE Cham/Zug] #:17371
Hello everybody,
Can someone tell me, how to connect the TM-G707 via its DATA connector
to a normal Packet TNC ?
It seems to me the KENWOOD engineers try to redefine packet TNCs...
- First I was puzzled by the lack of a PTT or key line. After
some experiments, I found that you can use the line they call
PKS (for packet standby). The explanation of that signal in the
handbook is just made to mislead everybody !
- Then I observed that my TNC was unable to decode the received
NF signal. Why ? The NF output of the PR1/PR9 lines is defined
with 500 mV pp, but with an output impedance of 10'000 Ohms !
So you connect the 100 Ohm input of a standard TNC, and your signal
is already down to a mere 5 mV, which seems to be way below what
the TCM 3105 needs.
I think I must get the NF from the speaker output, and the DATA
port cannot be used.
Anyone who is successfully using the DATA port ? How ???
Vy 73 and thanks for reading
Martin, HB9AUR
Sysop PACTOR MBO HB9AK
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