Description This is a NEW Cisco ESR1OC48/P/SRPSMS= OC-48/STM-16 POS/SRP SM-SR 10000 Series Line Cards ESR1OC48/P/SRPSMS= ESR1OC48PSRPSMS_ ESR1OC48/P/SRPSMS=,ESR1OC48/P/SRPSMS=