Unit 2 x E1 + LAN + 2 POTS is a table top device that provisions drop/insert function of time slots on interface E1 and transits the rest between the E1 ports.

Application

• Part of the E1 stream can be used for various purposes
• High quality of service
• Effective solution with easy maintenance

Technical Description

• Interface E1:
  • Mode: E1 ITU-T G.703/G.704
  • Data rates: Nx64 Kbit/s (n=1...31) sync
  • Connector: RJ 45
  • Line code: HDB3
  • Number of ports: 2
  • Max cable attenuation: 1024kHz/6dB
• Interface LAN:
  • Mode: LAN - 10 Base T
  • Number of ports: 1
  • Transperent MAC-Layer Bridge (IEEE 802.1d)
  • More than 10000 MAC adresses
  • Encapsulation: HDLC
  • Mode: "Full duplex"
  • Compression
  • Filtration
  • Connector: RJ 45
  • Protocols: static IP routing; RIP; OSPF
  • Bridge functionality
• Interface POTS-FXO (exchange-side):
  • Mode: 2w ITU-T G.712
  • Voice coding: ITU-T G.711 A Law
  • Characteristics of 2w voice channel: ITU-T Q.552
  • Channel bandwidth: from 300 to 3,400Hz
  • TX Relative Level 2w: from -18dBr to +7dBr
  • Rx Relative Level 2w: from -23dBr to +1.5dBr
  • Nominal impedance 2w: Z = 600 ohms
  • Number of ports: 2
  • Connector: RJ 11
  • Transmission of charging pulses: 16kHz
  • Compliant with the requirements of ITU-T K.21
  • Time Slot Assignment
  • "CLIP" function
  • Ring Voltage Detector: 15Veff@25Hz
• Interface POTS-FXS (subscriber-side):
  • Mode: 2w
  • Voice coding: ITU-T G.711 A Law
  • Characteristics of 2w voice channel: ITU-T Q.552
  • Channel bandwidth: from 300 to 3,400Hz
  • TX Relative Level 2w: from -18dBr to +7dBr
  • Rx Relative Level 2w: from -23dBr to +1.5dBr
  • Nominal impedance 2w: Z = 600 ohms
  • Number of ports: 2
  • Connector: RJ 11
  • Transmission of charging pulses: 16kHz
  • Ring Voltage: 40Veff@25Hz
  • Compliant with the requirements of ITU-T K.21
  • Time Slot Assignment
  • "CLIP" function
• Management: local and remote
• Management interface: RS.232
• Power supply
  • With AC/DC converter: 230V/22V, AC/DC
• Temperature: from -5°C to +45°C
• Dimension: 238x189x31 mm
• Weight: 600g