Technical data

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Users Manual

for the Packet-Radio-Modem

AFSK-1201

Layout Version AFSK1201-B

Issue 09/03/2004 12:03 PM

Production and Distribution: SYMEK GmbH, Datentechnik, Ulf Kumm, DK9SJ

Adress: D-70597 Stuttgart (Sonnenberg), Johannes-Krämer-Straße 34

Phone: +49 711 76 78 923, Fax: +49 711 76 78 924

eMail: info @ symek.com Internet: http://symek.com

Table of contents

Table of contents........................................................................1

Preface.........................................................................................2

Technical data AFSK1201-B......................................................2

Short description........................................................................2

Bit-rate and baudrate .................................................................2

Digital interface - 20 pin connector ..........................................3

Signal description digital interface...................................3

Jumpers.......................................................................................3

Test points and adjustment.......................................................3

Connecting the radio to AFSK1201..........................................4

Connection cables TNC/Transceiver........................................5

Amateur radio transceivers: Alphabetic order .................5

CB and other radios.........................................................6

Cables for connection Modem - Radio: ...................................6

Modem AFSK-1201-B (component location))..........................14

Schematics Modem AFSK1201-B .............................................14

Index ............................................................................................14

Summary of content (14 pages)

PAGE 1
Users Manual for the Packet-Radio-Modem AFSK-1201 Layout Version AFSK1201-B Issue 09/03/2004 12:03 PM Production and Distribution: SYMEK GmbH, Datentechnik, Ulf Kumm, DK9SJ Adress: D-70597 Stuttgart (Sonnenberg), Johannes-Krämer-Straße 34 Phone: +49 711 76 78 923, Fax: +49 711 76 78 924 eMail: info @ symek.com Internet: http://symek.com Table of contents Table of contents........................................................................ 1 Preface.....................................................
PAGE 2
Preface This manual should help you to use the AFSK-Packet-Radio-Modem AFSK1201 in your TNC3 or TNC31 controller and to install the connection to your radio transceiver. If there are any problems, you may ask for help via a-mail at support@symek.com. Technical data AFSK1201-B Power supply: 5 volt DC, typ 10 mA Dimensions: ca. Length=120mm, Width=40mm, Height=25 mm, mass approx. 30 grams Radio interface: 5-pin DIN connector, same pinning as TNC2, TNC2S, TNC2H etc.
PAGE 3
Digital interface - 20 pin connector Pin Signal Function 1 + 5 Volt power supply 5 volt 150 mA (from TNC) 3 + 5 Volt power supply 5 volt 150 mA (from TNC) 5 Reset (not used in FSK9600) 7 DCD AF carrier detect (from modem to TNC) 9 CTS transmitter is keyed (from modem to TNC) 11 PTT transmitter keying (from TNC to modem) 13 TXD transmit data (from TNC to modem) 15 RXD* receive data (from modem to TNC) 17 TXC transmit clock (from modem to TNC) 19 RXC* receive clock (from modem to TNC) *: RXD and TXD can be
PAGE 4
Test pin MP2 "MODEM RX": Generate a test signal with a alternating 1200 / 2200 Hz tone (frequency alternates every 1/600 second). You may use a TNC2 in TAPR mode and start the CAL command in diddlemode. Adjust the signal at MP2 to a 1:1 ratio (HI:LO) by carefullt tuning trimmer P3 (3105). Connecting the radio to AFSK1201 Use a standard 5 pin (180°) DIN-connector.
PAGE 5
Connection cables TNC/Transceiver Here you find a list of all common amateur and CB radios. If your specific radio type can not be found, you should refer to the manual to find the microphone, speaker and PTT connection. Some of the cables need two separate connectors at the radio side (e.g. one for the microphone and PTT, the other one for the speaker connection). Solder a Y-shaped cable and fix and isolate the junction of the three cables with heatshrink tube.
PAGE 6
CB and other radios Note: Not all CB radios can be used for packet-radio! Make sure, packet-radio is mentioned in the manual.
PAGE 7
Cable 4: Alinco DJ100E and similar pin 1 (MIC)---
--- 2,5 mm stereo plug MIC middle contact pin 2 (GND) ------ 2,5 mm stereo plug MIC outer contact pin 4 (SPK) ------ 2,5 mm stereo plug MIC inner contact Solder a 2,2 kΩ resistor between pin 3 and pin 1 in DIN-plug.
PAGE 8
Cable 14: ICOM IC21A with 3-pin round plug and ear-phone plug jack pin 1 (MIC)---
--- pin 1 (MIC) pin 2 (GND) ------ pin 3 (GND) and 3,5 mm ear-phone plug outer contact pin 3 (PTT) ------ pin 2 (PTT) pin 4 (SPK) ------ 3,5 mm ear-phone plug inner contact Cable 15: TS280 with 8-pin DIN-plug pin 1 (MIC)---
--pin 1 (MIC) pin 2 (GND) ------ pin 3 (GND) pin 3 (PTT) ------ pin 2 (PTT) pin 4 (SPK) ------ pin 5 (SPK) Cable 16: TW4000A, TW4100E, DR410, DR510, DR570, DR590, ADI AR446 w
PAGE 9
Cable 25: Yaesu FT 747 GX (KW) with 8-pin audio screw-locking line plug pin 1 (MIC)---
--- pin 8 (MIC) middle pin pin 2 (GND) ------ pin 7 (GND) near notch pin 3 (PTT) ------ pin 6 (PTT) pin 2 (GND) ------ 6,3 mm ear-phone plug SPKR outer contact pin 4 (SPK) ------ 6,3 mm ear-phone plug SPKR inner contact Cable 26: FT4700, FT5200, FT6200, FT7200, FT212RH, FT712RH, FT290 II , FT790RII with 8-pin audio screw-locking line plug pin 1 (MIC)---
--- pin 8 (MIC) pin 2 (GND) ------ pin 7 (
PAGE 10
Cable 35: Kenwood TM732A/E, TM742 A/E with MJ88 adapter 8-pin.
PAGE 11
pin 1 (MIC) ---
--pin 1 : Modulation pin 2 (GND) ------ pin 5 : GND pin 3 (PTT) ------ pin 3 : TX, PTT pin 4 (SPK) ------ pin 2 : SPKR pin 5 (+12V) -----pin 6 : + 12 V eventually connect SPKR via 3,5 mm ear-phone jack as the speaker cannot be switched off. At AE5280, pin 2 is the grond connection of the speaker. Cable 54: DNT Strato, Scanner, Carat with 5 or 8-pin DIN-plug (7+center pin) For both sides, a 5 pin DIN connector may be used.
PAGE 12
Cable 62: Multi-Top (LCD-display) with 6-pin mini-DIN-plug pin 1 (MIC) ---
--pin 2 (?) : Microphone pin 2 (GND) ------ pin 1 (?) : GND pin 2 (GND) ------ 3,5 mm ear-phone plug, outer contact pin 3 (PTT) ------ pin 4 (?) : PTT pin 4 (SPK) ------ 3,5 mm ear-phone plug, inner contact (speaker) (please compare to the radio manual) Cable 63: Yaesu with 8-pin audio screw-locking line plug pin 1 (MIC)---
--- pin 8 (MIC) middle pin pin 2 (GND) ------ pin 7 (GND) near the notch pin 3 (PTT)
PAGE 13
Cable 72: ICOM IC706 MK II with 8-pin Western-plug pin 1 (MIC) ---
--pin 6 Mic pin 2 (GND) ------ pin 5 and GND pin 3 (PTT) ------ pin 4 PTT pin 4 (SPK) ------ pin 3 AF out Cable 73: Alinco DR605T/E with 8-pin.
PAGE 14
Modem AFSK-1201-B (component location)) Schematics Modem AFSK1201-B Index AF-output 4 baud (Bd) 2 bit-rate 2 carrier detect 3 CB radios 5 center frequency 3 component location 14 connection cables 5 copyright 2 CTS Clear to Send 3 DCD 3 DCD Data Carrier Detect 3 digipeater 3 digital interface 3 DIN-connector 4 FET transistor 4 fullduplex 3 Jumpers 3 loudspeaker 4 MIC (pin 1) 4 mikrophone 4 power supply 2 printed circuit board 14 PTT 4 PTT Push to talk 3 PTT-switch 4 radio to AFSK1201 4 RXC Receive Clock