Black Box Multi-Function Line Driver Spezifikationen PDF herunterladen (Seite 15)

MULTI-FUNCTION LINE DRIVER

SW2 Positions 6 and 7: 2-Wire vs. 4-Wire Operation

Set position 6 of switch SW2 to determine whether the Multi-Function Line

Driver operates in 2-wire or 4-wire mode. (For 2-wire mode to work, SW1

position 8 must be ON.) In 4-wire mode, set position 7 of switch SW2 to

determine whether the MFLD operates in full duplex or half-duplex.

SW2-6

SW2-7 Operation

On On 4-wire half-duplex

On Off 4-wire full duplex

Off On 2-wire (half-duplex only)

SW2 Position 8: V.52 and V.54 Diagnostic Testing

To reset the V.54 circuit, turn switch S2 position 3 ON, then back OFF.

SW2-8

Test Mode

Off Tests Enabled (default)

On Tests Disabled

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Black Box Multi-Function Line Driver Spezifikationen Seite 15