Adtran Express L768 Manual de usuario descargar pdf (Pagina 30)

Chapter 1. Understanding SDSL and the Express L768

1-8 Express L768 User Manual 61203192L1-20

Front Panel

Figure 1-5 shows the front panel of the Express L768. The indicators

are divided into LAN functions, WAN functions, and Test functions.

Figure 1-5. Express L768 Front Panel

Indicators

Rear Panel

The Express L768 has one RJ-45 jack, labeled HDSL, on the rear panel

for network connection (see Figure 1-6). There are two sets of switches

on the back panel. The TO HUB/TO NIC switch allows the Express

L768 to connect directly to a Network Interface Card (NIC) or a HUB

without the need for special cabling.

TX/RX

Flashes when transmitting and receiving

data on the 10BaseT connector.

Link integrity. Illuminates when there is a

good connection between the Express

L768 and the Hub/NIC card.

LOOP

Flashes when the SDSL link (pins 4 and 5

on RJ-45) is not in sync. Solid when in

sync.

LINK

Illuminates solid when either PPP or Frame

Relay has an active connection. Flashes

when trying to establish a PPP or Frame

Relay connection.

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Adtran Express L768 Manual de usuario Pagina 30