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reduced instruction set computing
ROM
read−only memory
Route/Switch Processor (RSP)
Route/Switch Processor. Processor module in the Cisco 7500 series routers that integrates the functions of the
RP and the SP.
RPS
Redundant Power System
RSM
Route Switch Module
SDH
Synchronous Digital Hierarchy, which is an international standard for synchronous data transmission over
fiber optic cables.
SDRAM
Synchronous dynamic random access memory
SELV
Safety extra−low voltage
Serial Line Internet Protocol (SLIP)
Serial Line Internet Protocol. Standard protocol for point−to−point serial connections using a variation of
TCP/IP. Predecessor of PPP.
SFC
switch fabric cards
SIMM
Single Inline Memory Module
Simple Network Management Protocol (SNMP)
Simple Network Management Protocol. Network management protocol used almost exclusively in TCP/IP
networks. SNMP provides a means to monitor and control network devices, and to manage configurations,
statistics collection, performance, and security.
20614 Cisco Installing and Maintaining Routers Part 4: 12000 GSR Series and XS5032 Modules
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