GENERAL DESCRIPTION
EXtendar 48M (XRT95L53) is a highly integrated OC48/STM-16, Quad OC-12/STM-4 & OC-3/STM-1 Multi-protocol Framer processor. EXtendar 48M supports Generic Framing Procedure (GFP) in combination with Virtual Concatenation & LCAS, LAPS, POS, ATM and DS3 capabilities configurable on a per-channel basis. EXtendar 48M is the industry's first device to integrate 48 DS3/Fractional DS3 framers on a single chip. EXtendar 48M, in addition to the SONET OC48/OC-12/OC-3 interfaces, supports OIF compliant SPI-3 interface with optional support for Exar's proprietary G-header interface. Using this industry first G-header interface, EXtendar 48M provides framing and encapsulation support for RPR, MPLS or proprietary client data that need to be transported over SONET. The unique combination of flexible packet framing and encapsulation features combined with optimal SONET transport capabilities make EXtendar 48M an ideal solution for Multi-service SONET transport, Core as well as DWDM systems.
Exar Corporation
