CYGNUS 803R 2Mbps RS232 to E1 Converter

CYGNUS 803R E1 to RS232 Converter is ideal for connecting a RS232 user device to an E1 interface of a leased line. CYGNUS 803R can be operated in unframed and framed (Nx64k) mode. Standard G.703 (E1) and RS232 devices can be connected to CYGNUS 803R.


  • CYGNUS 803R allows RS232 interface of devices such as PC, Data Logger etc., to connect to a telecom network via the network’s E1 interface.
  • Support E1 and RS232 Digital interfaces.
  • Supports Asynchronous data transmission on RS232 interface
  • Supports connection to both framed(NX64 Kbps) and unframed E1 (2048 Kbps) links
  • E1 interface complies with ITU-T Recommendations G.703 and G.704
  • Frame types selectable from: PCM 30 and PCM 31, with and without CRC-4
  • Menu driven supervisory software (accessible from a RS232 compatible console port) for configuration, monitoring and statistics reporting
  • Built-in pattern generator and checker for qualitative and quantitative error performance monitoring of the E1 interface
  • Ordering option power supply: 230 VAC, 48 VDC or both or 24 VDC
  • Front panel indicators for displaying unit status

Application Diagram