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Chapter 3 Operation Installation and Operation Manual

3-2 Turning Off FOM-E1/T1 Ver. 2.0

Table 3-1. FOM-E1/T1 Front Panel Controls and Indicators

Name LED Color Function

PWR Green ON – FOM-E1/T1 is powered up

LLB Yellow ON – A local loopback is active

RLB Yellow ON – A remote loopback is active

ELEC LOSS Red ON – E1/T1 electrical input is below G.703 level

ELEC AIS Yellow ON – E1/T1 electrical interface received "All 1s" string

OPTICAL LOSS Red ON – Bit error rate of the signal received from the

optical interface is 10

-6

or worse

OPTICAL AIS Yellow ON – Fiber optic interface received "All 1s" string

3.3 Turning Off

To turn FOM-E1/T1 off, disconnect the power cord from the mains.

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RAD Data comm T1 Spezifikationen Seite 28