
Page 157 of 906
Circuit Card
Description and Installation
182
NT1R20 Off-Premise Station
Analog Line card
Contents
This section contains information on the following topics:
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
157
Physical description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
158
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
160
Electrical specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
165
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
168
Connector pin assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
172
Configuring the OPS analog line card. . . . . . . . . . . . . . . . . . . . . . . . . .
174
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
175
Introduction
The NT1R20 Off-Premise Station (OPS) analog line card is an intelligent
eight-channel analog line card designed to be used with 2-wire analog
terminal equipment such as analog (500/2500-type) telephones and analog
modems.
The NT1R20 Off-Premise Station (OPS) analog line card provides eight
full-duplex analog telephone line interfaces. Each line has integral hazardous
and surge voltage protection to protect the system from damage due to
lightning strikes and accidental power line connections. This card is normally
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...
Page 378: ...Page 378 of 906 NT5K21 XMFC MFE card 553 3001 211 Standard 3 00 August 2005...
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...
Page 744: ...Page 744 of 906 NTAK20 Clock Controller daughterboard 553 3001 211 Standard 3 00 August 2005...
Page 762: ...Page 762 of 906 NTAK79 2 0 Mb PRI card 553 3001 211 Standard 3 00 August 2005...
Page 772: ...Page 772 of 906 NTBK22 MISP card 553 3001 211 Standard 3 00 August 2005...
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...
Page 884: ...Page 884 of 906 QPC841 Quad Serial Data Interface card 553 3001 211 Standard 3 00 August 2005...
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