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NTBK50 2.0 Mb PRI card
553-3011-100
Standard 14.00
January 2002
Overview
The NTBK50 card provides a 2Mb PRI interface and is installed in the main
and IP expansion cabinets. The NTBK50 supports the NTAK20 clock
controller daughterboard and either the NTAK93 D-Channel interface or the
NTBK51 Downloadable D-Channel handler. The NTAK93 DCHI
daughterboard provides identical performance to the on-board NTAK79
DCHI. The NTBK51 DDCH daughterboard provides support for protocols
based on the MSDL platform.
Functional description
NTBK50 provides the following features and functions:
•
recovery of the 2.048 kbps data by the CEPT receiver, at signal levels
which have been attenuated by up to 10 dB
•
control of CEPT line density using HDB3 which provides 64 kbps clear
channel
•
performance monitoring of the receive carrier by means of Bipolar
Violations (BPV), Slips, CRC-4 (CRC), and Frame Bit Errors (FBER)
•
monitoring of receive carrier alarms including AIS, LOS, and RAI
•
transmission of remote alarm when instructed
•
slip-buffering receive messages
•
support of National and International bits in time slot 0
•
clock controller daughterboard
•
D-channel interface daughterboard
•
Downloadable D-channel handler daughterboard
•
32 software-selectable Tx and Rx Pad values
•
conversion of PCM commanding Laws (A-A, u-u, A-u, u-A)
•
Card-LAN for maintenance communications
Physical description
The NTBK50 uses a standard IPE-sized (9.5" by 12.5"), multilayer printed
circuit board. The faceplate is 7/8" wide and contains seven LEDs.
Summary of Contents for Meridian 1 Option 11C Mini
Page 2: ......
Page 8: ...Page 8 of 544 Contents 553 3011 100 Standard 14 00 January 2002 ...
Page 10: ...Page 10 of 544 About this guide 553 3011 100 Standard 14 00 January 2002 ...
Page 86: ...Page 86 of 544 Memory Storage and CPU capacity 553 3011 100 Standard 14 00 January 2002 ...
Page 176: ...Page 176 of 544 Transmission parameters 553 3011 100 Standard 14 00 January 2002 ...
Page 196: ...Page 196 of 544 Spares planning 553 3011 100 Standard 14 00 January 2002 ...
Page 226: ...Page 226 of 544 System Controller cards 553 3011 100 Standard 14 00 January 2002 ...
Page 260: ...Page 260 of 544 The TDS DTR card 553 3011 100 Standard 14 00 January 2002 ...
Page 282: ...Page 282 of 544 M2317 Telephone 553 3011 100 Standard 14 00 January 2002 ...
Page 308: ...Page 308 of 544 Meridian Modular Telephones 553 3011 100 Standard 14 00 January 2002 ...
Page 364: ...Page 364 of 544 M2250 Attendant Console 553 3011 100 Standard 14 00 January 2002 ...
Page 388: ...Page 388 of 544 NT8D14 Universal Trunk Card 553 3011 100 Standard 14 00 January 2002 ...
Page 408: ...Page 408 of 544 NT5K21 XMFC MFE card 553 3011 100 Standard 14 00 January 2002 ...
Page 414: ...Page 414 of 544 NTAG26 XMFR card 553 3011 100 Standard 14 00 January 2002 ...
Page 422: ...Page 422 of 544 NT6D71 UILC line card 553 3011 100 Standard 14 00 January 2002 ...
Page 492: ...Page 492 of 544 NTAK79 2 0 Mb PRI card 553 3011 100 Standard 14 00 January 2002 ...
Page 512: ...Page 512 of 544 NTAK20 clock controller 553 3011 100 Standard 14 00 January 2002 ...
Page 518: ...Page 518 of 544 NTAK93 D channel handler interface 553 3011 100 Standard 14 00 January 2002 ...
Page 544: ...Page 544 of 544 Index 553 3011 100 Standard 14 00 January 2002 ...
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