Filter
Top Products
Chapter 4. Status Menu
4-4 TDU 120e User Manual 61202156L2-1
Table 4-1. Alarm Message Display
View History
This menu item both displays and clears the accumulated
status changes of the unit.
V
IEW
H
ISTORY
displays a history of the last 20 status
changes in the unit, including the date, time, and type of
change. The unit also records for viewing the date and
time an alarm became active and inactive, as well as the
date and time of test activation and deactivation.
To clear the V
IEW
H
ISTORY
display, press
C
.
Port Status
P
ORT
S
TATUS
displays the signals monitored on the data
ports. For example, the Nx/DBU interface monitors the
RTS, CTS, RD, and RD, along with other signal lines.
When a port is selected, the terminal indicates if the signal
is present.
The base Nx interface shows the status screen listed in this
section. When using other option cards, refer to the ap-
propriate separate manual for a definition of any status
screens offered.
The P
ORT
S
TATUS
of Nx/DBU shows how to use this
item.
Active Alarms
Network (Ni)
Red Alarm
Loss Of Signal
End Of List