ADTRAN 1248 - Manual (Page 19)

Description
61179641AL4-5B 1-3
Front Panel LEDs
Figure 1-2 shows the location of the Total Access 1248 front panel LEDs. Upon initial
powering, the Total Access 1248 system performs a power up self-test. Once the power up
self-test is complete, the status LEDs reflect the condition of the hardware.
Figure 1-2. Total Access 1248 Front Panel LEDs
See Table 1-1 for a listing of LEDs and their status.
Table 1-1. Front Panel LEDs
Label Status Description
PWR Green
Yellow
Red
Off
Total Access 1248 is In Service
Total Access 1248 is Out of Service-Maintenance
Total Access 1248 Failed self-test
No power present on Total Access 1248
ALM Yellow
Red
Off
Total Access 1248 is reporting a Minor alarm
Total Access 1248 is reporting a Major alarm
No alarms reported on Total Access 1248
T1/E1 1–8 Green
✹ Green Flashing
Yellow
✹ Yellow Flashing
Red
Off
All good
T1/E1 OK, no IMA Sync
Signal present OOF
T1/E1 is in loopback
No signal
Facility unassigned
ETHERNET Green
✹ Green Flashing
Yellow
Ethernet signal present
Ethernet with traffic
No signal
EXPANSION OUT Green
✹ Green Flashing
Yellow
Connected to a downstream box
Connected with traffic
No signal
FAN MODULE
1179675L1 1179641AL4
PORTS 1-24 5.0A CTORS ONLY!
PWR
ALM
ETHERNET OUT
EXPANSION
T1/E1
5
6
7
8