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L20-LCOB2

The LCOB2 can be installed on the LCOB/STIB/CBIB connector, and provides 2 CO/PBX Loop Start CO Line interfaces that support Pulse/DTMF signaling. Each Interface contains ring and loop current detection circuits, A/D and D/A conversions, and pulse signaling circuitry.

LCOB2 can be optionally equipped with add-on boards: CPCU2 (FSK CID, Polarity Reversal & Call Progress Tone detection Unit 2) to detect FSK signal for the incoming Caller-ID, polarity reversal and call progress tone; CPCU2D (DTMF CID, Polarity Reversal & Call Progress Tone detection Unit 2) to detect DTMF signal for the incoming Caller-ID, polarity reversal and call progress tone; PRCPTU2 (Polarity Reversal & Call Progress Tone detection Unit 2) to monitor polarity reversal and call progress tone; or PRU4 (Polarity Reversal detection Unit 4) to monitor polarity reversal.

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