Labels:bulletin board | earth | poster | skep | sky | windowpane OCR: incoming Outgaing register register Last backward signal compelled sequence (e.g. A.1} 100 ms Delayed forward 150 50 sw signat Pulse signai A.3 No forward signals can be for 300 100 ms (900 180 ms] Group 1 signal Group 8 signal CCITT-49301 Sending Receiving FIGURE 15 / Q.442 Pulse transmission of signal when delayed forward signal appears Outgoing seguence Delaved recognized
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