ADTRAN ATLAS 550 Bedienungsanleitung Seite 51

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61200305L1-1 ATLAS 550 User Manual 4-1
Chapter 4
Using the Front Panel
OVERVIEW
The front panel contains the Alarm Cut-off (ACO)switch,the CRAFT port,
and the controller and module status LEDs. The LEDs provide visual infor-
mationabout theATLAS 550 Base Unit andany optionmodule that maybe
installed. Figure 4-1 identifies the ACO switch, the CRAFT port, and the
LEDs.
Figure 4-1. ATLAS 550 Front Panel Layout
ACO SWITCH
The ACO switch deactivates (clears) the Alarm Relay, located on the rear
panel of the ATLAS 550, after an alarm condition has occurred. If an alarm
condition is corrected and then reoccurs, the Alarm Relay will re-energize
(see also ACO Switch in Table 4-2 on page 4-3).
POWER
REMOTE
ERROR
TEST
OK
TEST
ONLINE
STATUS
ERROR
TEST
OK
CRAFT
ACO
ALARM
ALARM
1 2
NETWORK
1 2 3 4
MODULES
SYSTEM
ETHERNET
ATLAS 550
Module Status LEDsCRAFT
Port
Alarm
Cut-off
Switch
Controller
Status
LEDs
Network Module
Status LEDs
Option Module
Slot Numbers
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