Key Features:

  • 1 x SMF/MMF, simplex/duplex fiber port
  • 4 x10/100M auto-sensing Half/Full duplex RJ45 ports
  • Excellent cooling system with unique HIC solution
  • Follow control and broadcast storm control
  • IEEE802.3/u/x compliant
  • Conspicuous LED indicators for power/link diagnose/data
  • 50,000 hours MTBF

DTLDG-4U, 1 fiber to 4 UTP converter uses 1X9 fiber modules which supports multimode or single mode dual fiber, bi-directional single fiber. The transmission distance is 2km max on MMF and 100km max on SMF. Standard in-stock fiber interface is SC. ST and FC available upon requests.


  • Where 1 FX needs to be extended to several copper ports
  • 1 fiber source to multi-users
  • Offices and work groups
  • Schools
  • Power supply stations
Standard IEEE802.3 (10BASE-T), IEEE802.3u 100BASE-TX/FX (Fast-Ethernet), IEEE802.3x (Flow Control), IEEE802.1q, IEEE802.1p QoS, IEEE802.1d Spanning Tree
10/100BASE-T STP or UTP Category 5/5e/6 cable (Max. 100m)
100BASE-FX Single fiber SM: 20-100km, Dual fiber MM: 1km, Dual fiber SM:20-100km
Conversion Mode / Delay Time Store-and-Forward < 10us, straight-through<0.9us
Flow control Full duplex-flow control, Half duplex-back pressure
RJ-45 Port Auto-MDI/MDIX
Fiber Connector SC standard, ST/FC optional
Wavelength 1310/1550nm
Dimensions 158mm(W) x 100mm(D) x 27mm(H)
Weight Net weight : 0.16kg;  Gross weight : 0.42kg
Input Voltage DC 5V1A with External power adapter
Power Consumption <2.5W
MTBF 50,000 hours
BER <1/1000000000
MAC Address Table 1K
Buffer Size 1M
Operating Temperature 0~50 degree
Storage Temperature -40~70 degree
Storage Humidity 5%~90% non-condescending