Part Number: 1291-PCB-00019REV1 (Fab 1291-pcb-00019 rev.1) Part Number: 1291-PCB-00025REV0 (1291-pcb-00025 rev.0 fab) Part Number: 1291R-DB (Agere sys) Part Number: 1291S (Ne) Part Number: 1291S-DB (Lucent) Part Number: 1291SIMPLEX (Plate) Part Number: 1291T (No description) Part Number: 1291T23 (Support fixture) Part Number: 1291T24 (Lens, housing suppor) Part Number: 1291T27 (Removal tool) Part Number: 1291T33 (Test set) Part Number: 1291T41 (N/a) Part Number: 1291T42 (N/a) Part Number: 1291T50 (N/a)