MPA Chassis105Port 1's QSFP28's Port Activity Indicator LED (#4) glows green when Port 1’sQSFP28 TX Laser is turned onPort 1's SFP28's Port Activity Indicator LED (#3) glows green when Port 1’sSFP28 TX Laser is turned onPort 2's SFP28's Port Activity Indicator LED (#2) glows green when Port 2’sSFP28 TX Laser is turned onEach MPM-100G port (Test Unit) provides testing capabilities for the following SONET,SDH, OTN, and Ethernet Interface rates:• SDH: STM-256 (39.813G) STL-256.4• SONET: OC-768 (39.813G) STL-256.4• OTN: OTU-4 (111.809G) OTL-4.10, OTU3e1/e2 (44.571G/44.583G), OTU-3(43.018G) OTL-3.4, OTU2e/1e(11.05G/11.06G), OTU-2(10.7G)• Ethernet: 100G LAN (103.125G), 100G RS FEC LAN (103.125G), 40G LAN(41.25G), 25G LAN (25.781G), 25G RS FEC LAN (25.781G), 10GbELAN(10.3G)• Fibre Channel: 32G (28.05G), 16G (14.025G), 10G (10.518G)MPA_e_manual_D07-00-129P_RevA00