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3-4 DSLPipe DSU (SDSL) User’s Guide
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
Encode/Decode
Shows one of the following: NRZ, NRZI, FMO, FM1, or
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
Encode/Decode
Shows one of the following: NRZ, NRZI, FMO, FM1, or
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.
Table 3-1. Fields in the DSLPipe status window (Continued)
Fields Description