Lucent Definity Duplication Interface (Refurbished)(Model # TN792)
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- Copies contents of memory from the primary Switch Processing Element (SPE) to a standby SPE so that the latter can take over immediately when the former fails
- Two TN792 circuit packs required, one for primary control carrier and one for standby
- You can replace TN772 duplication interfaces with TN792s, but you must replace them in pairs
- A TN772 cannot communicate with a TN792
- Includes fiber connector