Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.NET

X  

XRT73L04B Datasheet(PDF) 5 Page - Exar Corporation

Part # XRT73L04B
Description  4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
Download  64 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XRT73L04B Datasheet(HTML) 5 Page - Exar Corporation

  XRT73L04B Datasheet HTML 1Page - Exar Corporation XRT73L04B Datasheet HTML 2Page - Exar Corporation XRT73L04B Datasheet HTML 3Page - Exar Corporation XRT73L04B Datasheet HTML 4Page - Exar Corporation XRT73L04B Datasheet HTML 5Page - Exar Corporation XRT73L04B Datasheet HTML 6Page - Exar Corporation XRT73L04B Datasheet HTML 7Page - Exar Corporation XRT73L04B Datasheet HTML 8Page - Exar Corporation XRT73L04B Datasheet HTML 9Page - Exar Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 5 / 64 page
background image
XRT73L04B
4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
REV. 1.0.1
II
1.0 SELECTING THE DATA RATE ............................................................................................................... 25
1.1 CONFIGURING CHANNEL(N) ............................................................................................................ 25
Table 2:Hexadecimal Addresses and Bit Formats of XRT73L04B Command Registers ............................... 26
Table 3:Selecting the Data Rate for Channel(n) via the E3_(n) and STS-1/DS3_(n) input pins (Hardware Mode)
27
COMMAND REGISTER, CR4-(N) ........................................................................................................... 27
Table 4:Selecting the Data Rate for Channel(n) via the STS-1/DS3_(n) and the E3_(n) bit-fields within the Ap-
propriate Command Register (HOST Mode) ..................................................................................... 27
2.0 THE TRANSMIT SECTION ...................................................................................................................... 28
2.1 THE TRANSMIT LOGIC BLOCK ......................................................................................................... 28
Accepting Dual-Rail Data from the Terminal Equipment ................................................................... 28
Figure 14. The typical interface for the Transmission of Data in a Dual-Rail Format from the Transmitting Ter-
minal Equipment to the Transmit Section of a channel .................................................................... 28
Figure 15.The XRT73L04B Samples the data on the TPData and TNData input pins ................................... 28
Accepting Single-Rail Data from the Terminal Equipment ................................................................ 29
COMMAND REGISTER CR3-(N) ............................................................................................................ 29
Figure 16.The Behavior of the TPData and TxClk Input Sgnals, while the Transmit Logic Block is Accepting Sin-
gle-Rail Data from the Terminal Equipment ..................................................................................... 29
2.2 THE TRANSMIT CLOCK DUTY CYCLE ADJUST CIRCUITRY ................................................................. 29
2.3 THE HDB3/B3ZS ENCODER BLOCK ............................................................................................... 29
B3ZS Encoding .................................................................................................................................. 29
Figure 17.An Example of B3ZS Encoding ...................................................................................................... 30
HDB3 Encoding ................................................................................................................................. 30
Figure 18.An Example of HDB3 Encoding ..................................................................................................... 30
Disabling the HDB3/B3ZS Encoder ................................................................................................... 30
COMMAND REGISTER CR3-(N) ............................................................................................................ 31
2.4 THE TRANSMIT PULSE SHAPING CIRCUITRY .................................................................................... 31
Figure 19.The Bellcore GR-499-CORE Transmit Output Pulse Template for DS3 Applications .................... 31
Figure 20.The Bellcore GR-253-CORE Transmit Output Pulse Template for SONET STS-1 Applications ... 32
Enabling the Transmit Line Build-Out Circuit ..................................................................................... 32
COMMAND REGISTER, CR1-(N) ........................................................................................................... 32
Disabling the Transmit Line Build-Out Circuit .................................................................................... 32
COMMAND REGISTER, CR1-(N) ........................................................................................................... 33
Design Guideline for Setting the Transmit Line Build-Out Circuit ...................................................... 33
The Transmit Line Build-Out Circuit and E3 Applications .................................................................. 33
2.5 INTERFACING THE TRANSMIT SECTIONS OF THE XRT73L04B TO THE LINE ...................................... 33
Figure 21.Recommended Schematic for Interfacing the Transmit Section of the XRT73L04B to the Line .... 33
TRANSFORMER RECOMMENDATIONS .................................................................................................... 34
3.0 THE RECEIVE SECTION ......................................................................................................................... 35
3.1 INTERFACING THE RECEIVE SECTIONS OF THE XRT73L04B TO THE LINE ........................................ 35
Figure 22.Recommended Schematic for Interfacing the Receive Section of the XRT73L04B to the Line (Trans-
former-Coupling) .............................................................................................................................. 35
3.2 THE RECEIVE EQUALIZER BLOCK ................................................................................................... 36
Figure 23.The Typical Application for the System Installer ............................................................................ 36
Guidelines for Setting the Receive Equalizer ................................................................................... 36


Similar Part No. - XRT73L04B

ManufacturerPart #DatasheetDescription
logo
Exar Corporation
XRT73L04A EXAR-XRT73L04A Datasheet
731Kb / 65P
   4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73L04AIV EXAR-XRT73L04AIV Datasheet
731Kb / 65P
   4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
More results

Similar Description - XRT73L04B

ManufacturerPart #DatasheetDescription
logo
Exar Corporation
XRT73LC04A EXAR-XRT73LC04A_08 Datasheet
431Kb / 64P
   4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73L04A EXAR-XRT73L04A Datasheet
731Kb / 65P
   4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73LC00 EXAR-XRT73LC00 Datasheet
336Kb / 53P
   E3/DS3/STS-1 LINE INTERFACE UNIT
XRT73LC04A EXAR-XRT73LC04A Datasheet
723Kb / 64P
   4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT7300 EXAR-XRT7300 Datasheet
608Kb / 55P
   E3/DS3/STS-1 LINE INTERFACE UNIT
XRT73LC00A EXAR-XRT73LC00A Datasheet
410Kb / 53P
   E3/DS3/STS-1 LINE INTERFACE UNIT
XRT73L00A EXAR-XRT73L00A Datasheet
597Kb / 53P
   E3/DS3/STS-1 LINE INTERFACE UNIT
XRT73LC00AIV-F EXAR-XRT73LC00AIV-F Datasheet
517Kb / 61P
   E3/DS3/STS-1 LINE INTERFACE UNIT
XRT73LC00A EXAR-XRT73LC00A_08 Datasheet
394Kb / 63P
   E3/DS3/STS-1 LINE INTERFACE UNIT
XRT73R06 EXAR-XRT73R06 Datasheet
662Kb / 68P
   SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64


Datasheet Download

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEET.NET
Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com