8
61221051L1-5, Issue 1
61221051L1-5A
technical support phone numbers along with serial
numbers, CLEI codes, date of manufacture
information for each active HDSL / HDSL2 system
element, and if the circuit has an installed HDSL /
HDSL2 range extender (HRE / H2R).
NOTE
The command keys valid for each screen are
shown at the bottom of the display. Pressing
keys other than these may cause the HFAC to
adjust to a different speed. If this happens,
the HFAC will not respond to keyboard
commands and may display random
characters. Press the space bar repeatedly
until the screen is re-displayed.
Main Menu
From the Introductory Screen, select Main Menu
by typing M. Figure 8 illustrates the Main Menu
Screen.
From the Main Menu select:
1. Shelf Status Summary
2. Performance Data
3. Alarm Status
4. Loopback Control
5. ADTRAN Information
6. Troubleshooting
7. Self-Test Options
8. Provisioning
9. Protection Switching
Selection of 5, ADTRAN Information, presents the
same screen as the Introductory Screen. Description
of other screen selections available from the Main
Menu follow.
Table 7. Screen Abbreviations
DSX/DS1
BPV .......... Second in which a bipolar violation occurs.
ES ............ SF: Second in which a BPV or frame bit error
occurs. ESF: Second in which a BPV or CRC
error occurs.
SES .......... Second in which 1544 BPVs or 8 frame bit
................. errors occur.
UAS .......... Second in which there is a loss of signal or loss
of sync.
HDSL Loops
ES ............ Second in which a CRC error occurs.
SES .......... Second in which 165 CRC errors occur.
UAS .......... Second in which there is a loss of signal or loss
of sync.
General
SF ............. Superframe format.
ESF .......... Extended superframe format.
B8ZS ........ Binary 8 zero substitution.
AMI ........... Alternate mark inversion.
LBO .......... Line build-out.
NIU ........... T1 network interface unit.
DOM ......... Date of manufacture.
S/N ........... Serial number.
15M .......... Fifteen-minute period.
24H ........... Twenty-four-hour period.
Abbreviations
Description
A terminal session is initiated by entering multiple
space bar characters which are used by the HFAC to
determine the speed of the terminal. Once the speed
has been derived, an Introductory Menu is presented as
illustrated in
Figure 7
. This screen includes ADTRAN
