Cisco 15216 EDFA2 Especificaciones descargar pdf (Pagina 22)

2-8

Cisco ONS 15216 EDFA Operation Guide

78-12818-01

Chapter 2 Technical Specifications

ONS 15216 EDFA1 External Features

–

OFF: when either the pump laser bias or the pump laser temperature is in the specified range or

no +5 VDC is present

In the ON condition, the second pair of alarm relay contacts in the RJ-45 connector will change from

normally open to closed. The LED and alarm will automatically reset when the condition clears (see

the “Alarm Contact Closures” section on page 4-8 for additional alarm contact closure information).

• LOS LED

The yellow LED will turn on and off to reflect the following conditions:

–

ON: when optical-input power to the ONS 15216 EDFA1 is below the loss-of-input threshold

(a LOS threshold decision occurs)

–

OFF: when optical-input power is within the input threshold

In the ON condition, the third pair of alarm relay contacts in the RJ-45 connector changes from a

normally-open condition to a closed condition. The LED and alarm automatically reset when the

condition clears (see the “Alarm Contact Closures” section on page 4-8 for additional alarm contact

closure information).

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