The PA-A3-OC3SMM, PA-A3-OC3SMI, and PA-A3-OC3SML are designed to provide maximum switching performance when a single port adapter is installed in a single VIP2-50. A single PA-A3-OC3SMM, PA-A3-OC3SMI, or PA-A3-OC3SML in a VIP2-50 provides up to approximately 85, 000 packets per second of switching capacity in each direction using 64-byte packets.