IP | Board Installation |
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3.3.3.2 Add-On Boards
PRU2 (Polarity Reversal detection Unit)
Description
The PRU2 can be optionally mounted on CBIB, and provides Polarity Reversal detection for call metering. It also provides four
PRCPTU2 (PR and CPT detection Unit)
Description
The PRCPTU2 can be optionally mounted on CBIB, and provides four polarity reversal detection for call metering, four call progress tone detection to support the ACNR feature (Automatic Called Number Redial). It also provides four
CPCU2 (FSK CID, PR and CPT detection Unit)
Description
The CPCU2 can be optionally mounted on CBIB, and provides four polarity reversal detection units for call metering, four call progress tone detection to support the ACNR feature (Auto Called Number Redial), and four FSK CID signal detection. It also provides four
Figure 3.3.3.2 CPCU4
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