Instruction manual

Total Access 850 System Manual Section 4 User Interface Guide

INTERFACES (T1) > STATUS > ALARMS > ALARM HISTORY

Displays the alarm history for the T1 interface. An asterisk in a field indicates that an alarm has occurred

on the T1 interface since the last clear history. Refer to Interfaces (T1) > Status > Alarms > Current

Alarms on page 96 for more details on listed alarm conditions.

INTERFACES (T1) > STATUS > ALARMS > CLEAR HISTORY

Selecting this activator will clear the Alarm History for the T1 interface.

INTERFACES (T1) > STATUS > RX LEVEL

Displays the level (in dB) of the received T1 signal on the interface.

INTERFACES (T1) > TEST

These options are used to initiate local and remote loopback tests and display the test status.

INTERFACES (T1) > TEST > LOC LB

Loopback of the local unit. Choices are NONE, LINE, and PAYLOAD. LINE loopback loops all of the received

data back toward the network. The transmitted data is the identical line code that was received, including

any bipolar violations.

PAYLOAD loopback is similar to line loopback except that the framing is extracted

from the received data and then regenerated for the transmitted data.

NONE disables the loopback test.

Default is

NONE.

INTERFACES (T1) > TEST > REM LB

Loopback of remote unit. Choices are NONE, LINE, and PAYLOAD. LINE loopback loops all of the received