Zhone IMACS Network Device Dokumentacja Pobierz pdf (Strona 59)

Zhone Technologies, Inc. IMACS Product Book, Version 4

March 2001 Page 55

All three remote loop backs are latching loop backs. These latching loop backs are:

• Loop back of the analog interface of the remote OCU-DP device back towards the network

• Loop back of the 4-wire interface of the remote CSU device back towards the network

• Loop backs of the 4-wire interface of the local CSU device towards the network.

An OCU-DP port may be programmed to detect and respond to both latching and non-latching (i.e., alternating)

DDS-format OCU loop back codes that are initiated from the remote end of the circuit. A time-out option

authorizes the OCU-DP port to automatically release the loop back after ten minutes.

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Zhone IMACS Network Device Dokumentacja Strona 59