Avaya Definity TN573B Switch-Node Interface
Manufacturer Part No: 73650
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- Routes circuit, packet, and control messages
- Installed in a SN carrier in a CSS that terminates a fiber optic link from a SNI in another SN carrier, and EI in a PPN, and an EI in an EPN
- One TN573B is used per PN and supports the TN574 DS1 converter circuit pack
- TN573B and higher provides an interface to the single-mode fiber optic transceiver and supports the TN1654 and TN574 DS1 converter circuit pack
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Sophie Systems is proud to offer our customers an opportunity to cash in on their unneeded or old equipment. When trading in your equipment you will have the peace of mind knowing that your old electronics are going to be disposed of in an environmentally friendly manner not in a landfill all the while getting a discount on the equipment you buy.
To participate in the trade in program simply inform your sales advisor that you would like to trade in your equipment. Sophie Systems will even provide you with a prepaid UPS shipping label to send us your goods.
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