CTC Union FMUX04 Uživatelský manuál stáhnout pdf (Strana 48)

Chapter 5. Loop Back Testing

5-2 FMUX-01Mar 2003

E1/T1 4-Channel Port Card Loop Back

* LLB (T1/E1 local loop back)

near end (NE) far end (FE)

* NELLB (near end local loop back)

near end (NE) far end (FE)

* RLB (T1/E1 remote loop back)

near end (NE) far end (FE)

* RRLB (request T1/E1 remote loop back)

near end (NE) far end (FE)

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CTC Union FMUX04 Uživatelský manuál Strana 48