4E1 + 1FE + EOW + Console NMS

Fiber Optic Accessories
August 13, 2025
Category Connection: Fiber Optic Accessories
Brief: Discover the 4E1 PDH Optical Multiplexer with 1FE Ethernet, EOW Phone, and Console NMS, offering 120km transmission. This compact, high-performance device integrates 4 E1 interfaces, 10/100M Fast Ethernet, and optional EOW for seamless network deployment. Ideal for cellular backhaul, enterprise connectivity, and emergency communications.
Related Product Features:
  • 4 E1 interfaces with selectable 75Ω/120Ω impedance for versatile connectivity.
  • Optional PCM voice communication channel for clear operational coordination.
  • Auto-negotiating 10/100M Ethernet with MDI/MDIX auto-sensing capability.
  • Dual management via RS232 console and SNMP for comprehensive network supervision.
  • Dual fiber protection switching for uninterrupted service reliability.
  • G.703 compliant E1 timing synchronization with digital clock recovery.
  • Advanced fault diagnosis with LED indication for quick troubleshooting.
  • Extended 120km optical transmission without signal regeneration.
FAQs:
  • What is the maximum transmission distance of the 4E1 PDH Optical Multiplexer?
    The multiplexer supports up to 120km transmission on single-mode fiber without requiring signal regeneration.
  • Does the device support remote management?
    Yes, it offers dual management interfaces including local console via RS232 and SNMP for remote network supervision.
  • What power supply options are available for this multiplexer?
    The device supports wide input voltage compatibility, including AC220V, DC-48V, and DC24V, with automatic polarity detection for DC connections.