Patton electronic 3088 Series user manual Power-up, LED status monitors, Power Green, DSL Green

Model 3088 Series User Manual 4 • Operation

Introduction

Once the Model 3088 is properly configured and installed, it should operate transparently. The following sec- tions describe power-up, reading the LED status monitors, and using the built-in loopback test modes.

Power-up

To apply power to the Model 3088, first be sure that you have read section “Power input connector” on page 16, and that the unit is connected to the appropriate power source. Power up the unit.

LED status monitors

There are four LEDs that provide feedback on the state of the unit. Figure 19 shows the location of the front panel LEDs. Following figure 19 is a description of each LED’s function.

Console

TM / ERR

Terminal

DSL

Power

Figure 19. Model 3088/CA front panel

Power (Green)

The Power LED glows solid during normal operation. At startup, during the POST, the LED blinks once every second. If the POST fails, the unit does not enter normal operation, and the LED blinks once every 0.4 seconds.

DSL (Green)

The DSL LED glows solid while a DSL link is established. While the DSL link is training it blinks once every second.

Link (Green) (Models K and T only)

The Link LED indicates the status of the T1/E1 link. It is dark when it detects no signal. It blinks once per sec- ond when it detects signal, but not valid framing. It glows solid when it detects valid framing.

Introduction 52