Fourthtrack Systems is the worlds leading designer and producer of G.703/E1 interface converters and fibre line drivers. Since 1992 we have been supplying our innovative problem-solving product ranges into the worldwide data communications marketplace.

With many satisfied telecomms carriers, internet services providers, systems integrators and corporates on our customer list, we continue to offer great products at low prices, with unbeatable customer service. Please see our Pricing Policy.

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Our Products

MicroMux G.703

MicroMux G.703

Unstructured E1/G.703 to X.21 interface converter (2.048Mbps)

Low cost

Ultra reliable

Both BNC 75 Ohm and RJ45 120 Ohm connectivity on one unit

Various power supply options including –48VDC

X.21, V.35, EIA530 and RS449 interface options

 

 

 

MicroMux G.703 details...

MicroMux G.704

MicroMux G.704

Fractional E1/G.703/4 to X.21/V.35 interface converter

Can operate as unstructured E1/G.703 at full 2.048Mbps

Low cost

Ultra reliable

Both BNC 75 Ohm and RJ45 120 Ohm connectivity on one unit

Various power supply options including -48VDC

X.21, V.35, EIA530 and RS449 interface options

 

 

MicroMux G.704 details...

EasiLink G.703

EasiLink G.703

E1/G.703 to fibre interface converter/line driver

Extend your E1/G.703 circuit up to 30km

Ideal for PBX to PBX connection

Low cost

Ultra reliable

Both BNC 75 Ohm and RJ45 120 Ohm connectivity on one unit

Single mode and multimode options

 

 

 

EasiLink ELG703 details...

FourthRack

FourthRack FTR-CHA

19 inch rackmount chassis system for G.703 and G.704 converter cards

Only 2U high

75 Ohm and 120 Ohm G.703/4 Line Cards

X.21, V.35, EIA530 and RS449 interface options

Management option

Dual power supplies for greater resilience

Various power supply options including -48VDC

 

Fourthrack details...

 

RoHS Compliance Statement

Pricing policy

Our recommended retail prices are shown on this web site, exclusive of VAT. If you are a reseller, internet service provider, systems integrator, telecomms provider or large corporate please contact us for a special quotation. As we are the manufacturer we can offer very good discounts, especially for larger quantities. We will do our utmost to ensure we quote you the best prices in the United Kingdom - in fact we will endeavour to better any price quoted elsewhere for interface converters and other products of similar functionality and quality so please do "give us a try!"