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Section 2 Engineering Guidelines Total Access 600 Series System Manual
24 © 2004 ADTRAN, Inc. 61200624L1-1B
Front Panel LEDs
The front panel provides five status LEDs to monitor operation and activity. Table 3 provides LED
descriptions for Total Access 600R systems.
Total Access 604/608
The front panels of the Total Access 604/608 systems are identical. Figure 2 shows the Total Access 608
front panel as a representative of both models.
Figure 2. Total Access 604/608 Front Panel Layout
Table 2. Total Access 600R Front Panel LEDs
For these LEDs... This color light... Indicates that...
LAN TX/RX
Off there is no data traffic on the LAN.
Green (blinking) there is data traffic on the LAN.
LAN LINK
Off the physical link is down; there is no Ethernet
connection.
Green (solid) there is link integrity on the LAN (physical link is up).
WAN STAT
Red (solid) the T1 is in red alarm or T1 sync loss has occurred.
Yellow (solid) the T1 is in yellow alarm.
Green (solid) the unit is not in alarm.
WAN ERR
Off the WAN link is up and error-free.
Red (solid) severe errors are present on the WAN link.
Red (flashing) the T1 is down.
Yellow (solid) errors are present on the WAN link.
PWR
Green (solid) power is supplied to the unit.
Off power is not supplied to the unit.