Test & Measurement

Enhanced analyser covers new applications

21st September 2015
Mick Elliott

The enhanced T1 E1 Analyser from GL Communications covers new applications and enhancements. The newly introduced GL’s Synchronous Trunk Record-Playback (or STRP) application has both Record and Playback features that permits the user to synchronously record any type of traffic (voice, digits, and tones) on many complete T1 or E1 line (trunk) with accurate timestamp.

Playback of some or all of the recorded data permits the user to recreate the transmission exactly as it occurred. Relative time synchronization to microsecond accuracy is easily achieved. A menu entry has been added for this application under the special applications menu, utilising the same license as the other record and playback applications.

Jitter Generation application has been enhanced to support AT& T Specs by changing the lowest allowable frequency limit from 10Hz to 1Hz. And for jitter frequencies of 1HZ to 5Hz, now maximum allowable jitter amplitude can be set to 150UI. Similarly for jitter frequencies of >5Hz to 10Hz, user can now set the maximum allowable jitter amplitude to 80UI.

Multichannel Audio-Bridge application now comes with channel configuration option that is provided as Drop Down menu. Default channel configuration is set to Mono. This can be changed to Stereo with Left and Right Channels. Now support for Linear 16 bit PCM, 16k codec is also added.

Stream Selection configuration option has been removed and the same is moved to the main GUI. Each device entry can be dynamically configured as Insert or Drop device. For INSERT action, only Mono mode option is provided. Additionally, the window resizing, scrolling, and GUI maximise options are also included.

In HDLC Tx/Rx Test application, users can now select non-consecutive timeslots in single hyper channel. The functionality has been enhanced to also work on sub channels 8-56 kbps. The application has been optimised by closing in the constant time vs linear time O(N) where N number of streams. Delay has been minimised and maintained constant across all T1 E1 channels.

Other enhancements to the application include replacement of Tee chart functionalities with Code Jock Charts for 64 bit support. Also client-server based Transmit/Detect Digits module has now been added to the Basic Analyser software.

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