Description
The Newbridge 90-3598-33-03 D is a dual switching fabric/interconnect card used in Newbridge main network telecommunications platforms (e.g., MainStreet 36170 and related systems) that were deployed in carrier networks for voice and data traffic switching. This part belongs to the 90-3598 series of cards, which are typically associated with DSC (“Dual Switching Card”) functions facilitating internal data switching and routing across backplanes in multiservice telecom hardware. Listings and legacy inventory references identify 90-3598-33-03 and variants such as -33-03-D/C/E as the 36170 Dual Switch/Connect Device for R4.2 systems.
Key Features
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Manufacturer: Newbridge Networks Inc. (later part of Alcatel-Newbridge)
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Part Number: 90-3598-33-03 D
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Product Type: Dual switching/backplane interconnect card
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Application: Newbridge MainStreet / 36170 family multiservice telecom platforms
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Function: Provides internal switching and data interconnect paths between system modules
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Platform Version: R4.2 (indicated by variant suffix and inventory context)
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Condition: Typically available as used, refurbished
Technical Overview
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Role: Facilitates dual switching fabric within the telecom chassis, interconnecting interface, trunking, and control cards to support voice/data transport and grooming functions.
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System Integration: Installed in a dedicated switch fabric or logic slot on the backplane of the MainStreet/36170 shelf, working alongside processors, timing cards, and interface modules.
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Network Use: Supports high-capacity internal traffic paths necessary for carrier deployments of legacy digital services such as ATM, frame relay, and multiservice aggregation.
