Verilink M1-3 (880-503136-001) Product Manual Manual de usuario descargar pdf (Pagina 68)

M1-3 Diagnostics

5-12 Verilink M1-3 User Manual

Transmit Alarms Menu

The

M1-3 Transmit Alarm Options Menu

enables and disables the

transmission of five different alarms for testing purposes. When

an alarm option is enabled at the near end (a yellow alarm for

example), the near-end M1-3 transmits that alarm code to the far-

end M1-3. When the alarm code is received at the far end, the far-

end M1-3 reports it has received that alarm in the alarm buffer.

Only one of the five alarm options should be activated at a time.

Transmitting multiple alarms can cause erroneous alarm reports.

For example, if a yellow alarm is indicated, the AIS, FEBE, FEAC, and

Idle code cannot be generated and detected successfully. The

yellow alarm sets X-bit=0, Idle code sets X-bit=1, and sends pattern

1100 on the datastream. The AIS has X-bit=1, C-bit=0, and

information field of 1010. Therefore, attempting to detect multiple

alarms at the same time can result in an erroneous data report.

Figure 5-19 Transmit Alarms Options Menu

Table 5-3 Transmit Alarm Options Menu

Command Description

Yellow

—Enables/disables yellow alarm notification which is

a T1 alarm signal sent back toward the source of a failed

transmission in a DS1 transmission path. Also known as

remote alarm indication signal

AIS

—Enables/disables Alarm Indication Signal (AIS). The AIS

signal is transmitted for an alarm condition.

Idle

—Enables/disables the Idle signal which sends a framed

all ones signal toward the network.

FEBE

—Enables/disables Far End Block Error. Used to monitor

bit error performance of the link.

FEAC

—Enables/disables Far End Alarm and Control. FEAC is

the channel used to initiate loopbacks at the far-end terminal

from the near-end terminal.

X Exit this menu.

-- M1-3 TRANSMIT ALARM OPTIONS --

-- M1-3 TRANSMIT ALARM OPTIONS ---- M1-3 TRANSMIT ALARM OPTIONS --

-- M1-3 TRANSMIT ALARM OPTIONS --

A) Yellow disabled

A) Yellow disabledA) Yellow disabled

A) Yellow disabled

B) AIS disabled

B) AIS disabledB) AIS disabled

B) AIS disabled

C) Idle disabled

C) Idle disabledC) Idle disabled

C) Idle disabled

D) FEBE disabled

D) FEBE disabledD) FEBE disabled

D) FEBE disabled

E) FEAC No FEAC Alarm

E) FEAC No FEAC AlarmE) FEAC No FEAC Alarm

E) FEAC No FEAC Alarm

X) Exit this screen

X) Exit this screenX) Exit this screen

X) Exit this screen

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Verilink M1-3 (880-503136-001) Product Manual Manual de usuario Pagina 68

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