
Page 718 of 906
NTAK09 1.5 Mb DTI/PRI card
553-3001-211 Standard 3.00 August 2005
extend from the card to the DSX-1 or LD-1. Equalizers are switch selectable
through dip-switches. The settings are shown in Table 232.
Receiver
The receiver extracts data and clock from an incoming data stream and
outputs clock and synchronized data. At worst case DSX-1 signal levels, the
line receiver will operate correctly with up to 655 feet of ABAM cable
between the card and the external DS1 signal source.
Connector pinout
The connection to the external digital carrier is through a 15-position male
D-type connector. See Table 233.
Table 232
NTAK09 switch settings
Switch Setting
Distance to Digital Cross-Connect
1
DCH F/W
2
(LEN 0)
3
(LEN 1)
4
(LEN 2)
0 - 133 feet
Off
Off
Off
On
133 - 266 feet
Off
On
On
Off
266 - 399 feet
Off
Off
On
Off
399 - 533 feet
Off
On
Off
Off
533 - 655 feet
Off
Off
Off
Off
Table 233
DS-1 line interface pinout for NTBK04 cable (Part 1 of 2)
From 50-pin MDF
connector
To DB-15
Signal name
Description
pin 48
pin 1
T
transmit tip to network
pin 23
pin 9
R
transmit ring to network
pin 25
pin 2
FGND
frame ground
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...
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Page 384: ...Page 384 of 906 NT6D70 SILC Line card 553 3001 211 Standard 3 00 August 2005...
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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...
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