QUAD OC3/STM1 MMF UNI/NNI clei The quad OC3/STM1 MMF UNI/NNI Card is a ATM interface card operating at the SONET OC3 rate of 155 Mbps per port. The multi-mode fiber (MMF) optical interface has a typical rangeof 2km. The quad OC3 is compliant to the requir

QUAD OC3/STM1 MMF UNI/NNI clei The quad OC3/STM1 MMF UNI/NNI Card is a ATM interface card operating at the SONET OC3 rate of 155 Mbps per port. The multi-mode fiber (MMF) optical interface has a typical rangeof 2km. The quad OC3 is compliant to the requirements of the ATM Forum UNI Specification (Version 3.1) and the ATM Forum B-ICI Specification (Version 2.0). This card is also supported in ESE R2.0.