SONET / SDH multiplexers HX9500R HX9500R-6U Modular Hybrid SDH/SONET STM4-1/OC12-3 and TDM/PDH with Voice / Analogue / Data / SCADA interfaces HX9416R HX9416R-6U Modular SONET/SDH STM1/4/16 - OC-3/12/48 Multiplexer, SONET/SDH and Ethernet Concentration Node HX9400R HX9400R-6U Modular SDH/SONET STM1-4 / OC3-12, concentration node for SDH, E1/T1/E3DS3 and Ethernet traffic SXM-9300 SXM-93000 Modular Optical Multiplexer 1.25 Gbps 32x E1 and Gigabit Ethernet Download SFP Optical Modules (EN) CXR Network Product Line Card (EN) CXR Timing & Synchronization Line Card (En) CXR Wireless Product Line Card (En) Support Contact Us Other E1/T1 and SONET/SDH Multiplexers SONET / SDH multiplexers PDH DACS multiplexer & channel blank Voice, FXO/FXS/E&M over PDH