Light |
Status |
| PWR/FAIL |
Green Powered and operational |
| Red Powered but not fully
operational |
| TA/FEL |
Yellow Solid - Set or Test code sent to far end or local unit is in loop back. (A power cycle will clear this.) |
| Yellow Flash- Far end loop back has been verified |
| NET LP |
Yellow Network Loop Back (TLB or LLB) set |
| SEND |
Yellow Sending loop back or test code |
| ACO |
Green Alarm Cut-Off switch is
operating. Remains on until the alarm condition is removed or until
another alarm occurs |
| LOC LP |
Yellow Local Loop Back in process |
| CODE |
Yellow Any code being received |
| DATA |
Green Valid data is present at the
Network or Terminal Interface Off Data stream interrupted |
| BPV |
Red Bipolar Violation (BPV) received (flashes) When B8ZS is enabled, LED doesn’t
light on BPVs that are part of B8ZS pattern |
| AIS |
Red Alarm Indication Signal received for one second |
| LOS |
Red Loss of Signal received |
| KA |
Red Keep-Alive signal transmitted toward Network |
| PD |
Red Pulse Density below 1 in 8 detected in the outgoing network signal. |
| YEL |
Yellow Yellow Alarm code received |
| OOF |
Red Out Of Frame condition |
| EER |
Red Error rate
exceeds selected threshold |
| NI (Network) |
Red Specifies LOS, YEL, AIS, EER, OOF, BPV, or CODE is on NI signal |
| TI (Terminal) |
Red Specifies LOS, PD, YEL, AIS, EER, |
| (Vendor) |
OOF, BPV, or CODE is on TI signal |
