Express 6503 SHDSL ATM DSU User Manual
User Interface Guide
61200296L1-1C
© 2002 ADTRAN, Inc.
15
Front Panel
Figure 1 shows the Express 6503 front panel, which contains eight LEDs. Table 1 describes these LEDs.
Figure 1. Express 6503 Front Panel
Table 1. Front Panel LEDs
Rear Panel
The Express 6503 rear panel (Figure 2) contains the following connectors:
LABEL
COLOR
DESCRIPTION
PWR
Green
Power Indication
NET
Green
On solid to indicate the ATM interface is ready
to pass data.
Fast blinking to indicate that the network is
training.
Slow blinking to indicate DSL layer is up.
ALM
Red
Indication of Network not ready.
TEST
Amber
Indication of test in progress.
TD
Green
Transmit Data (TxD)
RD
Green
Receive Data (RxD)
RS
Green
Request to Send
CS
Green
Clear to Send
NETWORK
SHDSL interface
X.21
serial interface
V.35
serial interface
CRAFT
management/control
90-240/VAC 50/60Hz .1A
power input
Express 6503
4
ALM
PWR NET
TEST
RS
TD
RD
CS
