Description:
The NT0H03AD is an optical module used in Nortel optical transport systems to support 2.5 Gb/s class optical channels. It belongs to a series of similar parts used to implement 2.5 Gb/s flexible‑rate optical line cards, typically one of several wavelength or channel cards in a multi‑channel optical transport shelf. This specific part is identified as a channel D module in the first 2.5 Gb/s optical band
Key Features:
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Manufacturer: Nortel Networks
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Part Number: NT0H03AD
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Product Type: 2.5 Gb/s optical transceiver/interface module
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Application: Medium‑capacity optical transport (OC‑48/STM‑16 class)
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Role: Provides one channel in a 2.5 Gb/s flexible‑rate optical transport group
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Family: NT0H03xx series optical modules
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Condition: Used, refurbished, or inventory stock
Technical Overview:
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Function: Optical transmit/receive channel module for 2.5 Gb/s transport
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Signal Support: 2.5 Gb/s class optical signal, often used within the OC‑48 or equivalent SDH/SONET hierarchy
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Channel Position: Identified as B1 channel 4 in the first 2.5 Gb/s band (wavelength and channel mapping defined by shelf architecture)
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Integration: Installed in a Nortel optical transport chassis that supports multiple 2.5 Gb/s channels
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Form Factor: Pluggable module designed to interface with the system backplane
