Lucent Technologies 7820-0657-001 manual Indicates Norm Normal or Rev Reverse. The default is

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Viewing configuration information

Table 3-1. Fields in the DSLPipe status window (Continued)

Fields

Description

 

 

V35

Indicates OFF_line or ON_line

Data Bit Polarity

Indicates Norm (Normal) or Rev (Reverse). The default is

 

Rev.This means that the transmitter inverts the data polarity

 

before sending data.

Sign/Magn Bit Seq

Indicates Norm (Normal) or Rev (Reverse). The default is

 

Rev. This means that the magnitude bit is followed by the sign

 

bit.

Noise Margin

Shows the noise margin value (in dB). If the noise margin is

 

less than -5dB, the SDSL line is terminated.

Data Rate

Shows the current transmission rate

DSL ch Data

Shows one of the following: NRZ, NRZI, FMO, FM1, or

Encode/Decode

Manchester. The default is NRZ. This means that signal

 

transmissions go from positive to negative without ever

 

assuming a zero value (Non-Return to Zero).

V.35 ch Data

Shows one of the following: NRZ, NRZI, FMO, FM1, or

Encode/Decode

Manchester. The default is NRZ. This means that signal

 

transmissions go from positive to negative without ever

 

assuming a zero value (Non-Return to Zero).

DSL ch Rx CRC

Shows either Enable or Disable. The default is Enable.

 

This means that the receiver will check for CRC over the SDSL

 

line.

DSL ch Tx CRC

Shows either Enable or Disable. The default is Enable.

 

This means that the CRC is appended to the end of the frame

 

when data is sent over the SDSL line.

V.35 ch Rx CRC

Shows either Enable or Disable. The default is Enable.

 

This means that the receiver will check for CRC over the V.35

 

line.

 

 

3-4

DSLPipe DSU (SDSL) User’s Guide

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Contents DSLPipe DSU Sdsl Lucent Technologies Customer Service Enabling Lucent to assist youOther telephone numbers Important safety instructions Important safety instructionsImportant safety instructions Special Requirements Important safety instructions Contents Page Introduction DSLPipe DSU features DSLPipe DSU configurationDSLPipe DSU architecture DSLPipe DSU architecturePage Installation Checking package contentsSetting up the DSLPipe DSU Package contentsSetting the data transmission rate Connecting the cables Checking the activity of the LED lightsLocation of the LED lights in the DSLPipe DSU front panel Page Viewing configuration information Items you needBits per second Specify Data bits Specify Viewing configuration information Viewing configuration informationIndicates Norm Normal or Rev Reverse. The default is Viewing diagnostic information Debug Mode windowFields in the Hdlc Registers list Shows Working if the V.35 line is working. Otherwise, shows Page Hardware Specifications Table A-1. DSLPipe DSU specificationsPage Product warranty Warranties and FCC RegulationsWarranty repair FCC Part 15 NoticeIC CS-03 Notice IC CS-03 Notice