Product_description: ['AA1419002-E5-PCW is a 1000BASE-LX GBIC Transceiver, generic for Nortel AA1419002-E5. It is guaranteed compatible for all Nortel switch and router product lines. This transceiver can be mixed and deployed with Nortel OEM transceivers for seamless network performance and interoperability. PC Wholesale offers a LIFETIME advance replacement warranty on all transceivers (compared to 90 days from most OEM manufacturers).'] (Page 1)