QUAD OC3/STM1 LR UNI/NNI clei See PDN 16127. The quad OC3/STM1 LR UNI/NNI Card is a ATM interface card operating at the SONET OC3 rate of 155 Mbps per port. The Long Reach (LR) single mode fiber optical interface has a total loss budget of 12db. The quad

QUAD OC3/STM1 LR UNI/NNI clei See PDN 16127. The quad OC3/STM1 LR UNI/NNI Card is a ATM interface card operating at the SONET OC3 rate of 155 Mbps per port. The Long Reach (LR) single mode fiber optical interface has a total loss budget of 12db. The quad OC3 card 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.