DAR420-LE Digital ADSL Regenerator


The DAR, housed in a heavy protected outdoor box, regenerates the ADSL signal for 4 different customers. It is a digital ADSL signal regenerator that provides transparent transmission between the exchange location and distant subscriber. The system can extend the signaling distance (or the bandwidth) for up to 4 individual subscribers over their existing copper pairs using the latest coding / decoding and remote power feeding solutions.

The DAR420-4P when ordered with the -LE tag is configured in low power mode. In this mode, the DAR is working at a power level that is mindful of subscribers on adjacent pairs and will cause minimal disruption to those subscribers. This mode is recommended for situations where the binder groups are fairly heavily utilized. -LE mode will impair reach of the solution by about 40%.

The DAR requires additional power pairs. One power pair providing 155vDC can run 1 or 2 subscribers. A second pair with 155vDC can run all 4 subscribers. A single power pair supplying 310vDC can run all 4 subscribers. See DAR-RACK (310vDC) or AEC-RACK (155vDC) for further options.

The system contains 2 main units:
  • RPF – Remote Power Feeding unit, located at the Exchange which can provide the power for 4 Regenerators
  • DAR – Digital ADSL Regenerator, located somewhere in the middle of the link which digitally regenerates the signal for up to 4 customers
  • Dimensions (H x W x D): 295 x 175 x 50 mm
  • Weight: 1100 g
  • Installation: wall/pole/pit installation
  • Operation: ETSI ETS 300 019-1-3 class 3.3 / ETSI ETS 300 019-1-4 class 4.1
  • Storage: ETSI ETS 300 019-1-1 class 1.2
  • Transport: ETSI ETS 300 019-1-2 class 2.2
  • Operational temperature: -30 .. +70 °C
  • Relative humidity: 0 .. 100 %
  • Protection: IP66
  • Configured for reduced power loop extender operation