893-01047-B
A-1
Appendix A
Technical Specifications
This section provides technical specifications for the ATMSpeed/155 MDA
Switch Module, and ATMSpeed/155 MDA MCP Switch Module.
Network Protocol and Standards Compatibility
OC-3c/STM-10
SONET/SDH
ATM Forum UNI 3.0 and 3.1
STS-3c
IISP
LANE version 1.0
Microprocessors
ATMSpeed/155 MDA MCP
baseboard:
64-bit MIPS 4000 series processor,
133 MHz (MIPS)
Memory
DRAM:
16 MB expandable to 32 MB ATMSpeed/155 MDA
MCP switch modules)
Packet buffer:
4 MB (ATMSpeed/155 MDA MCP modules)
Flash:
2.5 MB (ATMSpeed/155 MDA MCP modules)
Cell buffers:
16,384 cells (ATMSpeed/155 MDA MCP switch
modules)
Backplane interfaces
ATM data rate:
3.2 Gb/s on each ATM bus
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