Exon ST/SC multimode 50/125um Duplex Patch Cable (3 mtr) Part No: STC-DZC-A1A-3 Exon ST/SC multimode 62.5/125um Duplex Patch Cable (3 / 5mtr) Part No: STC-DZC-A1B-3, STC-DZC-A1B-5