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SPEED-CONVERTER G.703 FE1 - G.703/G.704 Converter

Connecting X.21 devices to framed (n x 64kbps) and unframed (2.048Mbps) E1 leased lines

Highlights

  • Data rates: 64kbps – 2.048Mbps
  • Interface: X.21, V.35 (optional)
  • Line: E1 (G.703/G.704)
  • In-band management
  • Remote loop can be controlled by Sa6 or data channels
  • Optional: NMS/SNMP in the SPEED-RACKHOUSING

Connecting X.21 to framed or unframed E1 leased lines

The SPEED-CONVERTER G.703 FE1 is perfectly suited for connecting transparently X.21 or V.35 devices to a 2Mbps link according to both ITU G.703/G.704 framed (e.g. D2MS) and ITU G.703 unframed (e.g. D2MU). The product is the ideal solution to connect cost-effective network components (e.g. router) to an E1 leased line. The interface corresponds to the electrical specifications according to ITU X.21/V.11 and optionally V.35. The speed is adjustable from 64kbps to 1.984Mbps by using the G.704 mode. A synchronous speed of 2.048Mbps is transparently supported by the SPEED-CONVERTER G.703 FE1 if set to the G.703 mode. The integrated loop function (remote loop) enables a fast and straightforward status monitoring by LED indicators. The product can also be operated as a modem using 4-wire copper lines.

Star-shaped X.21 extension using 4-wire copper lines

The SPEED-CONVERTER G.703 FE1 integrated in a SPEED-RACKHOUSING supports the connection of up to four X.21 applications. The access to the remote sites can be realized by using 4-wire copper lines. The SPEED-CONVERTER G.703 FE1 can be installed in a 1-slot stand-alone housing or a 4-slot SPEED-RACKHOUSING (19”). The SPEED-RACKHOUSING provides the ability to optionally monitor the SPEED-CONVERTER G.703 FE1 via SNMP using a management module.

Technical Data

General

  • LED indicators: Link, DTE, remote loop status, power/system failure
  • DIP switch for remote loop (loop function can be disabled)
  • Clocking: Internal, external or remote
  • Protocol transparent
  • Operating temperature: 5°C - 40°C
  • Dimensions (H x W x D): 21 x 131 x 219mm
  • Power supply:
    • AC: 100 – 240 V
    • DC: 36 – 72 V (SPEED-RACKHOUSING)

Line port

  • Coding: HDB3
  • Interface: G.703/G.704 (RJ45)
  • Line: 4-wire (120Ohm)
  • Connector: RJ45
  • Framed or unframed according to ITU G.704 (incl. CRC-4)

Point-to-point operation using copper lines

  • Distance: Up to 1.7km
  • Attenuation: 36dB
  • Line: 4-wire

Client port

  • Interfaces:
    • X.21/V.11 (DB15, DCE / DTE switchable)
    • V.35 (optional using external adapter)
  • Configurable analysis of C-line signaling
  • Synchronous bit rates: n x 64kbps (n = 0…31) or 2.048Mbps unframed
  • DTE is also configurable for G.703 unframed

Housing types

  • 1-slot stand-alone housing
  • 4-slot SPEED-RACKHOUSING

Management

  •  
  • Settings via DIP switches
  • Integrated console port RS232
  • Optional: Configuration and monitoring management provided by using a SNMP management module:
    • Access via RS232 (VT100, PPP over RS232)
    • Access via 10baseT/Telnet
  • Remote management with remote CLI

Ordering options

  • 1002-002-002-B: SPEED-CONVERTER G.703 FE1