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