Agilent Technologies J3972A, J3919A manual OC-3 ATM Interface Status LEDs, Config Button

Introduction

Probe Overview

OC-3 ATM Interface Status LEDs

The Agilent J3919A ATM interface has LEDs for Activity and Cell Sync functions. The Agilent J3972A ATM interface additionally has a Fault LED. Refer to the following list for information on how these LEDs work:

Activity. This green LED is turned on when valid cells are received by the OC-3 ATM interface from the network. When flashing, the frequency shows the amount of traffic. During periods of steady traffic, the LED may appear to stay on solid.

Cell Sync. This yellow LED is turned on when the OC-3 ATM interface detects a loss of cell synchronization.

The following LED is on the Agilent J3972A probe only:

Fault. This yellow LED is turned on when the processor on the Agilent J3972A probe is not running. The Fault LED can turn on during the power-on self-test, but should be off when the probe is running.

CONFIG Button

The CONFIG button is used to configure the probe from a terminal or to restart the probe. The CONFIG button is recessed and located on the back of the probe near the RS-232C connector. You will need to use a narrow, pointed object (like a pen) to press the CONFIG button.

To configure the probe using a local terminal (or PC emulating a terminal), connect a terminal to the probe using a null modem cable and push the CONFIG button to display the probe’s Main Menu. This operation is described in Chapter 2 “Local Terminal Configuration”.

You can restart the probe (with a warm start or cold start) using the CONFIG button. These functions are described in Chapter 5 “Probe Operation”.

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