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Product Description
The PSX-5300 Protection Switch adds additional system alarming, additional system cooling and redundant circuit protection to the DNX-11 and DNX-88 systems. It provides redundancy on electrical interfaces including T1/E1, DS3, STS1 and E3 on an N+1 basis. With the PSX redundant system in place, should a DNX module become non-operational, it is switched to the backup module with minimum downtime and without user intervention.
The PSX-5300 Protection Switch provides the user with automatic N by Narrowband and Broadband card protection. This automatic detection provides immediate backup for a problem module by switching the connections to a standby module, eliminating long down time and the need for immediate feet on the street. The standby module assumes all of the cross connections and maps of the deficient module at the time of switchover. The user is aware of the switchover by many different methods: front LED indicators on the modules, the alarm LEDs on the System Manager Card (SMC) II, the auto alarm indicators, or the node summary screen which is available via telnet, or terminal connection.
Type: Hardware
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