Cisco - expansion module - 12 ports

DS3 services remain one of the most popular service interfaces requested by service providers. The Cisco ONS 15454 Enhanced DS3 Interface Cards are a quick and cost-effective solution for DS3 service requirements. The Cisco ONS 15454 DS3 Card, with Enhanced Performance Monitoring, gives service providers improved network visibility, providing them a means of early facility failure detection. It also allows service providers to continue to provide the highest levels of service availability through service guarantees.

The DS3N-12E can operate as a working or as a protection card in either 1:1 or 1:N protection schemes. The DS3N-12E can protect up to five working DS3-12E or DS3N-12 cards.