61246026L6-5B
Section 61246026L6-5, Issue 2
7
From the Main Menu, the following screens can be
accessed.
1. Current System Status
2. Performance History
3. ADTRAN Information
4. Loopback Options
5. Self Test
6. Provisioning
7. Troubleshooting
H. Alarm History
S. Set Time/Date/Circuit ID
The Current System Status screen illustrated in
Figure 8 provides quick access to status information
for both the HTU-C and HTU-R. Type “H” to view
the Current System Status screen for HRE #1,
illustrated in Figure 8A. Type “H” again to view
the current system status for HRE #2. At each
15-minute interval, the performance information is
transferred to the 15-minute performance data
register accessed from the Performance History
screen. This unit displays performance information
in 15-minute increments for the last 24-hour period.
At each 24-hour interval, the performance data is
transferred into the 24-hour performance data
register also accessed using the Performance History
screen. The Performance History screen is
illustrated in Figure 9. Type “H” to view the
Performance History screen for HRE #1, illustrated
in Figure 9A. Type “H” again for the Performance
History of HRE #2.
Note: Upon entering the terminal screens
at the HTU-R, note the current time as it
relates to the 15-minute registers’ time
stamp. Resetting the current time may be
necessary to reflect the appropriate time
intervals. When the current time is reset,
the HTU-R will not lose any Performance
History data.
Table E. Screen Abbreviations
Abbreviation
ES
SES
UAS
SF
ESF
B8ZS
AMI
LBO
BPV
NIU
S/N
15M
24H
Definition
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.
HDSL ................................ Second in which a CRC error occurs.
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.
HDSL ................................ Second in which 165 CRC errors occurs.
Unavailable seconds.
DSX/DS1 ........................... Second in which there is a loss of signal or sync.
HDSL ................................ Second in which there is a loss of signal or sync.
Superframe format.
Extended superframe format.
Bipolar with 8 zero substitution.
Alternate mark inversion.
Line build-out.
Bipolar violation.
DSX/DS1 ........................... Second in which a bipolar violation occurs.
T1 Network Interface Unit.
Serial number.
15-minute period.
24-hour period.
