Homepage
Crypto
Spy radio
Burst encoders
Intercept
Covert
Radio
PC
Telex
Siemens
HELL
T-send-61
T-68D
FS-220
ETK-47
GNT-4606
Telestar
People
Agencies
Manufacturers
• • • Donate • • •
Kits
Shop
News
Events
Wanted
Contact
About
Links
   Click for homepage
← Telestar 121
  
Telex
EMU
Crypto
  
Telestar 121
Operating instructions - under construction

Indicators
The following red LEDs are present on the indicator panel:

  • Data Set Ready
    Ready for receiving a message
  • Keyboard
    Incomplete message or command entry
  • Transmit channel 1
    Transmitting on channel 1
  • Receive channel 1
    Receiving on channel 1
  • Transmit channel 2
    Transmitting on channel 2
  • Receive channel 2
    Receiving on channel 2
  • Write
    Paper puncher active (option)
  • Read
    Paper reader active (option)
Commands
The Telestar 121 terminal has an internal microprocessor with suitable software for entering, storing, correcting, deleting, sending and receiving messages. The system is controlled by means of commands that are entered via the keyboard. Each command is started with the COM-button, followed by a single letter (the actual command) and one or more comma-separated parameters. It is terminated with the ↵ (ENTER) or EOF key. Parameters in square brackets [ ] are optional.

The following commands are recognised:

  • C
    Clock
    HHMMSS,DDMMYY ↵

    Reply
    C:DONE HH:MM:SS DD:MM:YY nnn fffff
    nnn
    Number of messages in memory
    fffff
    Free space in buffer

  • O
    Open
    [X] ↵

    X
    Protected
    (blank)
    Unprotected
    Reply
    O:DONE HH:MM:SS DD:MM:YY nnn fffff
    nnn
    Message number
    fffff
    Free space in buffer

  • F
    Find
    [nnn[,pos]] ↵

    nnn
    Message number
    pos
    Character position withing message
    0
    Pointer to start of message
    E
    Pointer to end of message
    $string$
    Pointer to last character of 'string'
    (blank)
    Pointer to last character of open string

  • D
    Delete
    [nnn],[pos],[-]cc,[W] ↵

    nnn
    Message number (or blank to select open message)
    pos
    Character position in message (see above)
    cc
    Number of characters to delete after the pointer
    -cc
    Number of characters to delete before the pointer
    W
    Text is printed first, then seeks for confirmation

  • Y
    Copy
    [mn1],[rg],[mn2],[pos] ↵

    mn1
    Number of source message
    mn2
    Number of destination message
    rg
    ...

  • K
    Kill
    [nnn],[rg],[W] ↵

  • X
    Protect
    [nnn] ↵

  • U
    Unprotect
    [nnn] ↵

  • W
    Write
    [nnn],[rg] ↵

  • R
    Read
    [R0],[X] ↵

  • P
    Punch
    [nnn],[rg],[P0] ↵

  • B
    Duplicate
    [r0],[dd] ↵

  • A
    Assign
    dd,br,[p] ↵

    dd
    Channel (1 or 2)
    C1
    TX/RX channel 1
    C2
    TX/TX channel 2
    br
    Baudrate (see table below)
    p
    Procedure
    0
    No procedure
    1
    With procedure
    (blank)
    No procedure

  • T
    Transfer
    [ss],[nnn],[dd],[W] ↵

  • S
    Send
    [nnn],[adr],[Q],[n] ↵

  • L
    List

Baudrates
  • 0
    6.25
  • 1
    12.5
  • 2
    25
  • 3
    50
  • 4
    75
  • 5
    100
  • 6
    110
  • 7
    150
  • 8
    200
  • 9
    300
  • 10
    600
  • 11
    1200
  • 12
    2400
Error messages
  • 001
    Printer buffer overrun
  • 002
    Tape Reader error
  • 003
    Tape puncher error
  • 004
    Message number too high (> 100) or in use
  • 005
    M2 off (transmitter or modem not ready)
  • 006
    SEND-command without procedure
  • 007
    M1 off (modem not ready)
  • 008
    TRANSFER-command without procedure
  • 009
    ASSIGN-command not allowed on Channel 2
  • 010
    Memory full
  • 011
    Invalid command
  • 012
    Syntax error
  • 013
    Invalid device name
  • 014
    Requested device not allowed
  • 015
    OPEN MESSAGE unknown
  • 016
    Character is not a number
  • 017
    Specified message number > 255
  • 018
    Specified message not in memory
  • 019
    Specified character string not found
  • 020
    OPEN character string unknown
  • 021
    Time or Date wrong
  • 022
    Address unknown (in SEND command)
  • 023
    Bautrate number not allowed
  • 024
    Procedure number not allowed
  • 025
    $string2$ in text before $string1$
  • 026
    Receiver buffer overrun
Documentation
  1. Brochure, Funkschreib-Einrichtung FFT-6856 / SE-6863
    Feldfunkgerät SE 6861 Datenblatt. Funkschreib-Terminal FFT 6856.
    N 116.106.0. AEG Telefunken. Ulm (Germany).

  2. Telestar 121 Datenblatt
    AEG Telefunken, Ulm (Germany). Datasheet (German).
    N 147.102.2. Date unknown but probably 1980. 8 pages.

  3. Telestar 121 Bedienungsanleitung Kurzfassung
    AEG Telefunken, Ulm (Germany). Short operating instructions (German).
    5X.0172.403.36. March 1981. 18 pages.

  4. Telestar 121 Technische Beschreibung
    AEG Telefunken, Ulm (Germany). Technical description (German).
    Nr. 14/1222. July 1980. 60 pages.
Further information
Any links shown in red are currently unavailable. If you like the information on this website, why not make a donation?
Crypto Museum. Created: Thursday 20 July 2017. Last changed: Tuesday, 01 August 2017 - 16:48 CET.
Click for homepage