Ds3 Statistics; 24 Hour Alarm History; Figure 5-2. Ds3 Statistics Menu; Table 5-1. Alarm Counts - ADTRAN MX2800 M13 User Manual

Adtran network adapter user manual mx2800 m13
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Section 5, Statistics

DS3 Statistics

The DS3 Statistics menu, see
ters.

24 Hour Alarm History

The MX2800 keeps track of alarms for both the near and far ends of the network. View alarm history infor-
mation in one of the three time period selections, or view a cumulative alarm count. Information in these
fields is for the given time period since the last reset. The cumulative alarm count continues indefinitely
until Clear All DS3 Alarm Counts is selected. See
page 5-3 and
Figure 5-4
Condition
LOS
LOF
AIS
RAI
5-2
Figure
5-2, provides submenus for alarm history and performance parame-

Figure 5-2. DS3 Statistics Menu

on page 5-4 for examples of alarm screens.

Table 5-1. Alarm Counts

Number of times the unit has lost the receive signal.
Number of times the unit has detected a loss of framing from the network.
Number of times the unit has received an AIS (blue) alarm condition from the net-
work. AIS alarms occur when consecutive 1010s are received in the information
bits. This indicates that there is a transmission fault located either at or upstream
from the transmitting terminal.
Number of times the unit has received an RAI (yellow) alarm from the network.
This alarm is a signal sent back toward the source of a failed transmit circuit. The
X-bits (X1 and X2) are set to zero.
MX2800 M13 Multiplexer User Manual
Table 5-1
for a list of alarm counts. See
Description
Figure 5-3
on
61200290L1-1G

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