
Page 604 of 906
NT8D14 Universal Trunk card
553-3001-211 Standard 3.00 August 2005
Figure 138
Connecting RAN equipment to the NT8D14 Universal Trunk card (typical)
Typical customer-
provided external
equipment
Cross connect
System
NT8D14
Universal
Trunk Card
Unit 0
Unit 1
Unit 7
NT8D37
IPE Module
MDF
0T
Slot 0
A
26
(W-BL)
Announcer
0R
1
(BL-W)
0CP
27
(W-O)
0MB
2
(O-W)
Module
I/O Panel
Connector
Part of
25-pair
cable
Part of
25-pair
cable
Parallel
trunk
connection
(Note 2)
T
Voice
signal
Ref
R
Control
relay
Busy
relay
Note 1
Tel
ground
C
Com
MC
NC
B
Com
MB
ST+
Opto-
isolator
Start
553-AAA1149
STÐ
NC
48 V
Note 1:
For continuous operation mode, connect the trunk unit MB line to the announcer B line
only and ground the announcer ST+ line. For pulse start or level start modes, connect the trunk
unit MB line to the announcer ST+ line only and leave the announcer B line unconnected.
Note 2:
A maximum of 24 universal trunk card units can be paralleled to a single announcer
channel.
Audio
pair
Signal
pair
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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