EST-125 and EDT-135 E1 Data Testers (Discontinued)

A full line of products offering scalable solutions for E1 and data circuits and service testing. Which one meets your application needs?

Highlights

• Available in a range of application orientated packages. Each combining an instrument with a selected collection of software options and accessories to meet your specific testing needs for E1 and V.11/RS-442, V.24/RS-232, V.35, V.36/RS-449, and EIA-530 data circuits and services operating at 50 bps to 2 Mbps.
• Handheld, rugged, and battery operated. Ideal for field use.
• Intuitive, softkey, menu-driven user interface utilizing a large graphical LCD.

Applications

• E1 pulse shape analysis and level measurement.
• E1 physical layer testing, including n x 64 kbps BERT, VF, Round Trip Delay, and Jitter.
• E1 service testing, including Frame Relay and GSM.
• Quality of Service (QoS) testing to G.821, G.826, and M.2100 ITU-T recommendations.
• Error and alarm generation and analysis.
• Primary Multiplexer and Demultiplexer testing.
• V.11/RS-442, V.24/RS-232, V.35, V.36/RS-449, and EIA-530 BERT testing.
• Enhanced Datacom testing, including X.50, HCM, and V.110 subrate circuit testing; status monitoring of V interface control and signaling lines; and V.24 async modem testing and V interface Round Trip Delay.

Key Features

• G.703 (balanced and unbalanced) Tx/Rx, V.11/RS-442, and V.24/RS-232 test interfaces are built in. V.35, V.36/RS-449, and EIA-530 test interfaces are available via cable adapters.
• Unique "Troubleshooter Page" gives an instant overview of network performance.
• Auto-configure to circuit under test with a single key press.
• Multiple language support.
• Histogram display of results to analyze time-related errors.
• Alarm and error status LEDs give a clear indication of problems.
• Remote operation and control.
• Results storage and printing.
• Battery operated for up to 8 hours of continuous use.