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TS-50 AT-50 communication | Radioaficion Ham Radio

TS-50 AT-50 communication

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Kenwood TS-50 AT50 communication

19-07-1998

 +-------------------------------------------------+
¦ TS-50 <--> AT-50 Communication ¦
+-------------------------------------------------¦
¦ as measured/discovered by DF6KR ¦
¦ No guarantee for whatsoever.... ¦
+-------------------------------------------------+


Communication method: Serial interface
Tranfer rate: 4800 bps
Synchronization: Start-stop (Asynchronous)
Parity: None
Signal format: TTL level (!)

+---+
+-------------------+
¦ +---+ ¦ 1: Ground
¦ 1 ¦ 2 ¦ 3 ¦ 2: TT (TS50<--AT50)TTL!

ACC ¦ +---+ +---+ +---+ ¦ 3: TS (TS50-->AT50)TTL!
¦ ¦ 4 ¦ 5 ¦ 6 ¦ ¦ 4: N.C.
¦ +---+ +---+ ¦ 5: ATG (signal ground)
+-------------------+ 6: +13.8V from TS50
Rear Panel Connector ACC

Timing:

1. at Power-on:
===============

+------------------+ ++1 ++3++6
TT--+ +---------------------->
| | | | |
| 1.45 sec---+ | | |
+--+ ++2 +-+4,5
TS--+ +--------------------------------------->
| |<- 600ms->|
0 + 90ms resume time t

Signal:
1 3 6
TT: ;;;;;0C;___0D01;__________0F11;
2 4 5
TS: ________0C;_____0D01;0F11;____

1: Power on comm.
2: Power on answer
3: Auto on request
4: Auto resume finished
5: ok at50
6: ok answer ts50


2. DOWN-UP-Communication

========================

TT: 0E02;__________0F11;__ - UP from 1.8 to 3.5
TS: _____0E02;0F11;_______

same:
0E04;0E04;0F11;0F11; UP 3.5 --> 7
0E05;0E05;0F11;0F11; UP 7 --> 10
0E06;0E06;0F11;0F11; UP 10 --> 14
0E07;0E07;0F11;0F11; UP 14 --> 18
0E08;0E08;0F11;0F11; UP 18 --> 21
0E09;0E09;0F11;0F11; UP 21 --> 24.5
0E0B;0E0B;0F11;0F11; UP 24.5--> 28
0E0C;0E0C;0F11;0F11; UP 28 --> 29
0E01;0E01;0F11;0F11; UP 29 --> 1.8

DOWNs
0E0C;0E0C;0F11;0F11;
0E0B;0E0B;0F11;0F11;
.
.
0E01;0E01;0F11;0F11;


TUNE: 0D03;0D03;0F41;0F41;
AUTO OFF (THRU): 0D00;0D00;
AUTO ON: 0D01;0D01;
tune error: 0d03;0d03;0F83;0F83;

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