PDH DACS multiplexer & channel blank QX3440-A QX3440-A 5U High density multi-service Multiplexer - DACS QX3440-C QX3440-C Compact modular Multiservice Multiplexer, DACS 36 E1/T1 3U QX3440-D QX3440-D Compact modular Multiservice Multiplexer, DACS 36 E1/T1 2U QX3440-E QX3440-E Compact modular Multiservice Multiplexer, DACS 36 E1/T1 1U 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
