Table 4. Screen Abbreviations - ADTRAN H4TUC 3192 Installation And Maintenance Practice

NOTE
If you are using a personal computer with
terminal emulation capability, be sure to disable
any power saving programs.
communication between the PC and the HDSL4
unit may be disrupted, resulting in misplaced
characters or screen time outs.
Operation
For abbreviations used in the screen diagrams, see
Table 4. The Performance Data Definitions screen
also offers a listing of screen definitions by selecting
"1" from the Performance History screen.
Abbreviation Definition
ES ....................... Errored Seconds
DSX/DS1
SF ....... Second in which a BPV or frame bit error occurs
ESF ..... Second in which a BPV or CRC error occurs
HDSL4 ...... Second in which a CRC error occurs
SES ..................... Severely Errored Seconds
DSX/DS1
SF ....... Second in which 1544 BPVs or 8 frame bit errors occurs
ESF ..... Second in which 1544 BPVs or 320 CRC errors occur
HDSL4 ...... Second in which 50 CRC errors occur.
UAS .................... Unavailable Seconds
DSX/DS1 .. Second in which there is a loss of signal or sync
HDSL4 ...... Second in which there is a loss of signal or sync
SF ........................ Superframe Format
ESF ..................... Extended Superframe Format
B8ZS ................... Bipolar with 8 Zero Substitution
AMI .................... Alternate Mark Inversion
LBO .................... Line Build Out
BPV .................... Bipolar Violation
DSX/DS1 .. Second in which a bipolar violation occurs
NIU ..................... T1 Network Interface Unit
S/N ...................... Serial Number
15M ..................... 15-Minute Period
24H ..................... 24-Hour Period
61222404L1-5B
The screens illustrated in Figure 6 through Figure 21
are for an HDSL4 circuit deployed with ADTRAN's
HDSL4 technology. The circuit includes an H4TU-C,
up to two H4Rs and an H4TU-R. Other
Otherwise,
configurations are possible, and the displays will vary
slightly from those shown in this section.

Table 4. Screen Abbreviations

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