IP LDK-20 Installation Manual

Board Installation

 

 

PRCPTU4 (PR and CPT detection Unit)

Description

The PRCPTU4 can be optionally mounted on LCOB, and provides four polarity reversal detection for call metering, four call progress tone detection to support ACNR feature (Automatic Called Number Redial).

Figure 3.3.1.2b PRCPTU4

CPCU4 (FSK CID, PR and CPT detection Unit)

Description

The CPCU4 can be optionally mounted on LCOB, and provides 4 Polarity Reversal detection for call metering, 4 call progress tone detection to support the ACNR feature (Auto Called Number Redial) and four FSK CID signal detection.

Figure 3.3.1.2c CPCU4

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LG Electronics IP LDK-20 installation manual 1.2b PRCPTU4 CPCU4 FSK CID, PR and CPT detection Unit