M-SFP-SX/LC M-SFP-SX/LC EEC M-SFP-SX/LC-C M-SFP-TX/RJ45 M-SFP-TX/RJ45 EEC M-SFP-TX/RJ45-EEC-C MS-FR 470-100M-T0 MSFS22-183-001IC MSFS6 MSFT1997