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Dsu/csu leds – Paradyne 7112 User Manual

Page 44

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Monitoring the DSU/CSU

6-2

7112-A2-GB20-20

March 1998

Table 6-1

shows the available indicators of alarm conditions on the network

interface and the User Data port.

Table 6-1.

Alarm Indicator Locations

Alarm Condition

Status
Screen

Network
LED

Loss of Signal (LOS)

Y

SIG

Out of Frame (OOF)

Y

OOF

Alarm Indication Signal (AIS)

Y

ALARM

Excessive Error Rate (EER)

Y

EER

Yellow

Y

ALARM

DSU/CSU LEDs

The DSU/CSU LEDs can be viewed on the Display LEDs Status screen. This ATI
status screen is available locally and remotely.

The 12 LEDs are organized in three groups:

H

System LEDs display the status of the unit.

H

Network LEDs provide the status of the network interface.

H

Port LEDs display the activity on the user data (DTE) port.

To view the LED status screen, follow this menu selection sequence:

Main Menu

Status

Display LEDs

main/status/leds

PARADYNE

Device Name:

Model: 7112

DISPLAY LEDS

SYSTEM

NETWORK

PORT

OK FAIL TEST

SIG OOF ALARM EER

TXD RXD RTS CTS DTR

––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

ESC for previous menu

MainMenu

Exit

Refresh

О

О

ОО

ОО

When viewed via the ATI, the status display screen is updated approximately
every 5 seconds. Use Refresh to obtain a current status of all LEDs.