Rear Panel; Figure 1-8. Express 6120 Front Panel - ADTRAN Express 6100 Manual

Chapter 1. Understanding IDSL and the Express 6100/6120
Figure 1-8 shows the front panel of the Express 6120.
Indicators
TX/RX
1, 2, 3, 4
PWR
TEST 1, 2

Rear Panel

The Express 6100/6120 has one RJ-45 jack, labeled ISDN, on the rear
panel for network connection (see Figure 1-9 on page 1-9 and Figure
1-10 on page 1-9).
The OFF/ON switch block is for factory default and firmware down-
loading. With switch 1 in the up or OFF position, the Express 6100/
6120 will immediately go into a download mode when power is en-
abled. Switch 1 must be in the down or ON position in order to boot
up normally. Switch 2 in the up or OFF position will force the entire
configuration to be factory defaulted.
1-8 Express 6100/6120 User Manual

Figure 1-8. Express 6120 Front Panel

Flashes when transmitting and receiving
data on the 10BaseT connector.
Link integrity. Illuminates when there is a
good connection between the Express
6120 and the Hub/NIC card.
Flashes when the IDSL link (pins 4 and 5
on RJ-45) is not in sync. Solid when in
sync.
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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