Labels:box | map | microprocessor | sky OCR: EXCHANGEA LINK EXCHANGE {TRANSIT} T LINK EXCHANGE B Qutgoine Incoming Outgoing Incoming Switch block Primary signal it 13 T Primary signal t, a C t 1 S Acknowledge- ess S men D.C control throuat switch block Acknowledge- Continuous ment signal control for primary sional CCITT 46951 T1, etc. Time basc split (35 ms max.} Receiving end line ms} Signal recognition time 125 25 Sending end line split (40 ms] ms typically FICURE 1/Q.141 Typical arrangement to jllustrate the principte of overlap points signalling for answer signal a transil incom oBinO signa through contro recog nition FIGURE Hllustrate principle compelled signat
(.png)
