VOIP PCI-EXPRESS CARD 4FXO 4E04 | C180

Description

VOIP PCI-EXPRESS CARD 4FXO 4E04

• Detects ringing when on-hook
• Detects loop current when off-hook
• Detects when tip/ring voltage crossesaset voltage when on-hook or off-hook(calledDCtriggering)
• Can accommodate private branch exchange (PBX) with –48 V battery voltage
• Loop current range: 13-110mA-Voltage detection threshold is software-selectable

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