GENERAL Multi-purpose SONET/SDH VT/TU and SONET/SDH STS/STM cross-connect.With a memory-switch architecture, implements a strictly non-blocking switch that supports a VT/TU level fabric of up to 45 Gbit/s.Supports 18 high-speed Enhanced SONET Serial Interface (ESSI) CML links each independently configurable for STS-48/STM-16 at 2.488 Gbit/s or STS-12/STM-4 at 622.08 Mbit/s operation.Supports 12 low-speed links operating at 51.84 Mbit/s. The frame alignment of the low-speed links is independent of the high-speed links.Supports system frame synchronization using an external frame pulse or ESSI smart frame synchronization using the frame boundary of the receive links.Compensates for differences in frame boundary arrival times between ingress ports using FIFOs and device level software configurable delay registers.Each SONET STS-1 or SDH VC3/VC4-TUG3 may be independently configured as a single unit and/or as a container of VT/TUs. The contents may be switched intact or switched as VT/TUs.Allows each SONET VT Group to be independently configured to carry VT1.5, VT2, VT3, or VT6 tributaries.Allows each SDH TUG2 to be independently configured to carry TU11, TU12, or TU2 tributaries.
Typical Applications include:
SONET/SDH Add-Drop Multiplexer (ADM).SONET/SDH Digital Cross-connect (DCC).Multi-service Provisioning Platform (MSPP).Multi-service ADM (MS-ADM).Multi-service Switch (MSS).Optical Access Mux.Terminal Multiplexers.
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