Description
The Ciena NTK555NA is a shelf processor board used in the Ciena 6500 Packet Optical Platform series. It’s designated as a Shelf Processor (SPAP-2) with 2×OSC, meaning it includes oscillator support and processors for control, management, and timing functions within the chassis. This module sits in a dedicated processor slot and handles central processing tasks for a 6500 optical shelf, such as system coordination, backplane command/response sequencing, and network data plane supervision.
Key Features
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Manufacturer: Ciena
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Part Number: NTK555NA
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Product Type: Shelf processor module (SPAP-2)
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Application: Ciena 6500 Packet Optical Platform
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Role: Central processing and control for an optical shelf
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Processor Support: Includes dual oscillator support (2×OSC) for timing stability
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Family: NTK555 series shelf processors (variants include SPAP and SP-2 types)
Technical Overview
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Function: Processes shelf control, management, timing, and coordination tasks for optical transport shelves in the Ciena 6500 platform
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Integration: Plug-in module installed on the chassis backplane in a designated processor slot
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Support: Two oscillators (2×OSC) for stable timing across the shelf
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Shelf Types: Used in SPAP-2 configuration shelves (including 2-slot and 7-slot optical Type 2 shelves)
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Related Modules: NTK555NA/NB variants share the SPAP-2 processor role in the 6500 family
