CTC Union FMUX-01A Manuale Utente Scaricare il pdf (Pagina 51)

Chapter 5. Loop Back Testing

45 Version 1.2 Apr 2006

5.2.3 Datacom (RS-530, V.35, X.21, RS-449, RS-232) 4-Channel Port Card Loop Back

* LLB (local loop back)

near end (NE) far end (FE)

* RLB (remote loop back)

near end (NE) far end (FE)

* V54up (V.54 remote loop back)

near end (NE) far end (FE)

* V54dn will release the remote loop back

Set the clock "Rate" on all units in any configuration to equal the actual transmission rate. Without

proper setting, the loop back functions will not operate properly.

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CTC Union FMUX-01A Manuale Utente Pagina 51