GL announces mission-critical record/replay system

Aug. 24, 2015

Gaithersburg, MD. GL Communications Inc. announced today its enhanced Synchronous Trunk Record/Playback application for TDM facilities that employ T1 E1, T3 E3, and OC-3/STM-1 lines.

The application can synchronously record and play back live T1 E1 traffic on multiple T1 E1 trunks, and it can record traffic on all 24 T1 channels (or all 32 E1 channels) for a specified duration or continuously. For large capacity, GL’s Octal T1 E1 boards support record and playback on up to 192 T1 channels and 256 E1 channels per board. More scalability can be achieved with multiple boards.

Jagdish Vadalia, a senior manager for product development at the company, said, ”GL’s Synchronous Trunk Record/Playback (or STRP) application has both record and playback features that permit the user to synchronously record any type of traffic (voice, digits, and tones) on many complete T1 or E1 lines (trunks) with an 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 is precisely achieved.”

He added, “The STRP application records live T1 E1 traffic, and saves it to a file. The file-naming convention is based on coordinated universal time (UTC) with the precision of 100-ns intervals.

“Each record session will have an associated mission name. A mission folder will be created for each record session, and it will have all the recorded files for that mission. Recording will be done synchronously on all the T1 E1 ports that are monitored (nonintrusively).”

Vadalia further explained that the recording feature provides various options: a user can record all the incoming live T1 E1 traffic on all or the selected T1 E1 ports. In addition, a live T1 E1 traffic record can run continuously or can be configured to record for a specific duration of time. In case of limited records, a “Countdown Time” function displays remaining record time duration. It’s also possible to automatically start the recording for a given day and time.

http://www.gl.com/synchronous-trunk-record-playback.html

About the Author

Rick Nelson | Contributing Editor

Rick is currently Contributing Technical Editor. He was Executive Editor for EE in 2011-2018. Previously he served on several publications, including EDN and Vision Systems Design, and has received awards for signed editorials from the American Society of Business Publication Editors. He began as a design engineer at General Electric and Litton Industries and earned a BSEE degree from Penn State.

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