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NTCK16 Generic Central Office Trunk cards
553-3001-211 Standard 3.00 August 2005
•
provide 4 dB dynamic attenuation pads on a per call basis
•
allow individual units or the entire board to be disabled by software
•
provide software selectable A-law or µ-law companding
•
indicate self-test status during an automatic or manual self-test
•
provide card-identification for auto configuration, and for determining
the serial number and firmware level of the card
•
convert transmission signals from analog-to-digital and from
digital-to-analog
•
provide termination and trans-hybrid balance impedance to match
600
Ω.
Operation
Each NTCK16AX and NTCK16BX generic Central Office trunk card
supports the following:
•
Loop start operation
•
Battery reversal detection
•
Busy tone detection and supervision
•
Loss Switching
•
Trunk-to-Trunk connections
•
Call Disconnect
In addition, the NTCK16AX circuit card supports internal 12/16 kHz PPM
detection.
Loop start operation
Loop start operation is configured in software and is implemented in the card
through software download messages.
Idle state
In the idle state, the ringing detector is connected across the tip and ring wires,
providing a high impedance loop toward the Central Office.
Summary of Contents for Circuit Card
Page 2: ......
Page 4: ...Page 4 of 906 Revision history 553 3001 211 Standard 3 00 August 2005...
Page 18: ...Page 18 of 906 Contents 553 3001 211 Standard 3 00 August 2005...
Page 78: ...Page 78 of 906 Overview 553 3001 211 Standard 3 00 August 2005...
Page 100: ...Page 100 of 906 Acceptance tests 553 3001 211 Standard 3 00 August 2005...
Page 156: ...Page 156 of 906 Option settings 553 3001 211 Standard 3 00 August 2005...
Page 192: ...Page 192 of 906 NT4N39AA CP Pentium IV Card 553 3001 211 Standard 3 00 August 2005...
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Page 384: ...Page 384 of 906 NT6D70 SILC Line card 553 3001 211 Standard 3 00 August 2005...
Page 388: ...Page 388 of 906 NT6D71 UILC Line card 553 3001 211 Standard 3 00 August 2005...
Page 544: ...Page 544 of 906 NT8D02 and NTDK16 Digital Line cards 553 3001 211 Standard 3 00 August 2005...
Page 546: ...Page 546 of 906 NT8D03 Analog Line card 553 3001 211 Standard 3 00 August 2005...
Page 564: ...Page 564 of 906 NT8D09 Analog Message Waiting Line card 553 3001 211 Standard 3 00 August 2005...
Page 626: ...Page 626 of 906 NT8D14 Universal Trunk card 553 3001 211 Standard 3 00 August 2005...
Page 720: ...Page 720 of 906 NTAK09 1 5 Mb DTI PRI card 553 3001 211 Standard 3 00 August 2005...
Page 734: ...Page 734 of 906 NTAK10 2 0 Mb DTI card 553 3001 211 Standard 3 00 August 2005...
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Page 762: ...Page 762 of 906 NTAK79 2 0 Mb PRI card 553 3001 211 Standard 3 00 August 2005...
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Page 844: ...Page 844 of 906 NTVQ01xx Media Card 553 3001 211 Standard 3 00 August 2005...
Page 850: ...Page 850 of 906 NTVQ55AA ITG Pentium card 553 3001 211 Standard 3 00 August 2005...
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