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- Routes circuit, packet, and control messages
- Interface installed in an SN carrier in a CSS that terminates a fiber optic link from an SNI in an SN carrier to an SNI in another SN carrier, an 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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| TN573B Switch-Node Interface |
| 63336 |
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3824.00 |
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699.00 |
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Definity Systems
