This application displays the T1/E1 line conditions for one or both the T1/E1 Cards. We can monitor line sync loss, HDB3 violation, carrier loss, frame error, distant MF, alarm indication signal (AIS) and ES overflow/underflow in case of E1 and line sync loss, BPV, carrier loss, frame error, blue alarm, yellow alarm, alarm indication signal (AIS) and ES overflow/underflow in case of T1. With this application the T1/E1 line frequency and the power level also can be monitored.

This application permits any single timeslot to be decoded to the VF Output jack, i.e. the PCM signal in a timeslot is converted to analog and fed to the VF Out jack. This signal can also be fed to an onboard speaker. The VF Dialog Bar also allows you to control the gain of the signal.

PCI Ultra T1/E1 have 3 clock options to choose. With internal clock option the transmit section is clocked using an internal oscillator. For recovered clock option The transmit section is clocked using the clock derived from the received signal. If no received signal is present the internal clock is used. An external clock can be provided at the SMB input of the Cards or Dual USB Units. A TTL or CMOS level is acceptable. Apply a 1.544 MHz clock for T1 or a 2.048 MHz clock for E1.

The input signal (the signal connected to the "T1/E1 In" jack) may be terminated using impedance, monitored, or bridged depending on user requirements.

• Bytes Values Display for all time slots

  This box displays the data values for each time slot in HEX data format. These values will be changing very rapidly, as each timeslot's data rate is 8000 bytes/sec.

• Binary Byte Values Display for all time slots.

  This box displays the data values for each time slot in binary data format. These values will be changing very rapidly as each timeslot's data rate is 8000 bytes/sec.

• Monitor signaling bits

  The signaling bits associated with each timeslot are displayed in real-time.
  For T1 cards, the received signaling bits A and B for 193S (D4 Framing Format) and A, B, C, and D for 193E (ESF Framing Format) are displayed for all channels.
  For E1 Cards, this application should be used in CAS mode only. The signaling bits A, B, C, and D are displayed for all channels. These bits are demultiplexed from timeslot 16.

• Power Level Display for all time slots

  The rms (root-mean-square) value of the digital codewords (after expansion from µ-law or A-law) for each timeslot is computed and continuously displayed in dBm. The number of samples used in the computation is 192.

• DC Offset Display for all time slots

  The DC Offset application provides the capability to measure and display DC offsets for all timeslots. Multiple instances of this application may be opened simultaneously to monitor DC offsets on more than one GL card.

• Frequency Display for all time slots

  A continuous display of the signal frequency in each timeslot is displayed. The frequency is computed using the zero-crossing rate of the samples from each channel. The number of samples used in the calculation is 4000.

• Multiframe Byte Display

  This application permits viewing of complete multiframes. Approximately one second of data is captured, or 341 multiframes in T1 ESF/193E, 682 multiframes in T1 D4/193S, 500 multiframes for E1. The data is displayed with each frame identified. For T1 systems, twelve (12) frames are displayed per multiframe in D4 (193S) framing format, and twenty-four (24) frames in ESF (193E) framing format. For E1 systems, 16 frames are displayed per multiframe.

• Real Time Multiframe Monitoring

  This application permits viewing of multiframes in real-time. The data is refreshed for about every second. For T1 systems, twelve frames are displayed per multiframe in D4 (193S) framing format. Twenty-four (24) frames are displayed in ESF (193E) framing format. For E1 systems, 16 frames are displayed per multiframe.

• Real Time Bitmap Monitoring

  This application permits a graphical view of complete multiframes as a real-time bitmap. A snapshot of several multiframes of data is obtained at a given instance and the view is rendered as a pixel map with zeros represented by white dots and ones represented by black dots.

• Time Slot Byte Display

  This window displays the timeslot value for about '1' second duration for a desired timeslot. Ability to change the particular timeslot is also provided. "New Buffer" button allows refreshing of the data. The "Timeslot Window" module differs from "Multiframes" module, in which all the multiframes for a particular timeslot are displayed.
  
  Data of about one-second duration is displayed. In "Multiframes",
  T1 D4/193S: 682 multiframes are displayed
  T1 ESF/193E: 341 multiframes are displayed
  E1: 512 multiframes are displayed

• Real Time Oscilloscope Display of DS0

  The PCM codes (amplitude of the incoming signal) of any selected timeslot are displayed in real-time graphically as a function of time. Timeslot selection and time base can be changed either to view different incoming timeslots or modify the duration of the display. The time base can be adjusted from approximately 0.005 sec full scale to 1.000 sec full scale. This application can be used to visually assess activities on the channel such as noise, tone, speech, etc. The data may be displayed in either linear or raw (compressed) format.

• Real Time Power Spectral Display of DS0

  The data received on a specified timeslot can be viewed in the spectral domain (spectral amplitude Vs frequency). A Fast Fourier Transform (FFT) is applied to successive sample sets of the incoming data and displayed in graphically. Adjust the frequency resolution by the FFT length (from 32 points to 8192 points). The data can be smoothed to lessen the effects of truncation by applying Hamming, Hanning, Harris, Blackman, Triangular, or Rectangular filter windows.

• Audio Monitoring

  Audio monitoring allows the control of VF output (speakers) of all T1/E1 cards connected to a PC under a single program. This application permits the combined display of all T1/E1 cards speakers in the PC and thereby facilitating the user a single application for all speaker controls.

• Active Voice Level Monitoring

  The Active Voice Level Monitor computes the Active Voice Level of a signal according to the ITU-T P.56 specification, Method B. This analyzes the source signal in real-time from T1/E1 timeslots, or process the captured signal data files offline. This application is available under the Monitor Menu in T1/E1 analyzer software.

Intrusive Testing Applications

A variety of standard data patterns including static and user defined patterns are available for intrusive testing purposes. The BER Tester generates/detects unframed, framed, and fractional data that are defined in Pseudo Random Bit Sequence (PRBS). Precision Delay Measurement under basic software measures the round trip delay of a system. Measurement is precise and accurate to the microsecond level. Tone / Multiframe / Noise generation and detection, signaling bit manipulation and recording, including error insertion features provide complete signaling ability for T1/E1 analyzer.

The BER Tester generates/detects unframed, framed, and fractional data that are defined in Pseudo Random Bit Sequence (PRBS). In addition to these, drop and insert capability is provided. A variety of standard data patterns are available for test purposes including static and user defined patterns.

The Enhanced Bit Error Rate Tester measures the correctness of data received on T1/E1 lines according to the repetitive pattern file for a given transmission. The application also supports sub-channel selection (fractional BERT within a timeslot) for finer control of testing on individual bits. This performs the error test on multiple cards simultaneously along with graphical view of time Vs error.

Transmit Tone / Multiframe / Noise generation and detection, signaling bit manipulation and recording, including error insertion features provide complete signaling ability for T1/E1 analyzer.

Precision Delay Measurement measures the Round Trip Delay of a system. Sending a BER pattern with the insertion of an errored bit and timing the reception of the errored bit do the Round Trip Delay measurement. Measurement is precise and accurate to the microsecond level. A delay up to 8 seconds can be measured. The internal delay of the card is subtracted from the round trip delay.

This application is for diagnostic purposes only. It loops all the receive data from all timeslots back to the transmitting port. It is used in conjunction with a Bit Error Rate Test to verify the operation of Cards and USB units.

The Error Insertion application permits single, fixed, automatic, and random error insertion into the incoming bit stream. Bulk delay is an added feature in Error insertion application (applicable only to USB Analyzers), that allows users to apply delay on the entire T1/E1 trunk (full multi-frame) of 1.544Mbps (T1) pipe or 2.048 Mbps (E1) pipe.

With Various Optional Software (See Buyer's Guide)

• Capture / Transmit Dialed Digits (DTMF / MF/ MFR2-f/ MFR2-B Detection and Generation)

  The Capture Dialed Digits application provides the capability to capture and display DTMF and MF (along with MFR2-forward and MFR2-backward) digits as they are received on one or several time slots.
  The Transmit Dialing Digits application provides the capability to transmit DTMF, MF, MFR2-forward, MFR2-backward as well as transmitting signal data from files or from the GL board's VF input, applying signaling bits control, and performing other functions related to call establishment, progress, and termination.

• Record / Playback Disk Files

  This optional software permits the user to transmit and or capture any signal on T1 or E1 lines with GL's T1/E1 Cards or USB T1/E1 Units. Typical applications include transmission or capture of prerecorded video files, traffic loading applications and protocol analysis.

• Record from multiple cards

  This application permits capture of data being transmitted on (any one or both) T1/E1 cards to a file.

• Automated record playback

  The 'Automated Record/Playback (ARP)' application is an extremely versatile and rugged application incorporated in T1/E1 analyzer that makes it very easy for the user to run several transmit or receive operation tasks simultaneously.

• Automated Continuous Capture

  Automated Continuous Capture (ACC) allows users to capture different types of data (*.ala, *.ula, *.pcm, *.wav, *.ber) continuously into different files. Instead of capturing data from a card in one big block, it is possible to capture seamless chunks of data in files of the specified size, or specified time limit of capture.

• Transmit/Receive File Utility

  The Transmit/Receive File Utility allows transmission and reception of files to/from t1 or e1 lines with greater flexibility than the Record/Playback Software. The optional Record/Playback software runs as a feature under the T1/E1 GUI application software.

• Call Capture and Analysis (Full Duplex Capture w/ Dual Unit)

  The T1/E1 Call Capture and Analysis Software (XX030) provide the capability to non-intrusively record calls directly from T1/E1 lines.

• Signaling Transitions Recording

  This optional software provides timestamped indications of all signaling bit changes. The application works with one or multiple Ultra T1/E1 Cards or with the Single or Dual USB T1/E1 Analyzers. Signaling bit changes are recorded for all timeslots simultaneously.

• Protocol Analysis (HDLC, ISDN, Frame Relay, SS7, GR-303, V 5.x, ATM, GSM, TRAU, GPRS, CDMA 2000, SA bits, ML-PPP, UMTS)

  GL's protocol analyzers can be used to diagnose signaling problems quickly and effectively by analyzing traffic on multi-protocol signaling networks. It monitors signaling interactions in fixed, access and wireless networks. It analyzes multiple protocols like HDLC, Frame relay, SS7, ISDN, TRAU, ATM, GSM, GPRS and so on. It can make measurements on up to 32 duplex time slots from up to 4 duplex E1 or T1 trunks. It also allows measurements on Ethernet based traffic. GL's protocol analyzer can be easily configured to capture fractional E1 or T1 (DS0), sub-channels, hyper-channels and more.

• DCME Analyzer

  The DCME Analyzer is a PC-based system using GL's Ultra E1 Card to connect non-intrusively to the bearer side of DCME equipment. Both real-time and post-processing of the bearer signal is possible.

• G.168 Echo Canceller Test Suite for T1 & E1 Systems

  GL offers a wide range of G.168 echo canceller compliance testing and measurement software applications to handle everything from quick testing and verification to testing of very complex scenarios involving large networks. These applications can be used to simulate speech, add background noise, and measure delays through a variety of network configurations, including conventional telephone networks, networks with satellite connectivity, and wireless networks.

• Measure Loopdelay/ERL Feature

  The Measure Loop Delay/ERL application provides the capability to measure and display loop delay and echo return loss (ERL) on one or more time slots. Multiple instances of this application may be opened simultaneously, allowing measurements to be taken on multiple timeslot ranges and measurement strategies.

• Delay Attenuate Timeslots

  This application allows you to apply delay, attenuation, and/or filtering to a received signal on any number of timeslots.

• Delay/Attenuate- Single Channel (Only for HD Cards and USB Portable T1/E1 Analyzers)

  Delay/Attenuate Timeslots - Single Channel Application is an addition to the already existing Echo Test Solutions suite of applications. This application also facilitates Low Delay Echo Path Modeling. This application also allows you to apply; delay, attenuation (gain), and/or filtering to a received signal on a single timeslot. You may also mix-in additional signals from other sources, including speech signals inserted via VF input. Speech signals inserted via VF input and Gaussian noise signals or Tone generated internally within the application.

• Digital Echo Canceller Simulator

  Digital Echo Canceller is a G.168-2000 and G.165 compliant Echo Canceller. The DEC is licensed software that is shipped as a Windows DLL.

• GLC View waveform viewer

  GLC View is a waveform viewing application. It has been designed specifically as a companion application for the GL Communications Inc. T1/E1 Echo Canceller Test Suite.

• Voice Quality Assesment

  Voice Quality Assessment tool is used for clear, uninterrupted voice for all types of networks carrying voice traffic. Typical network applications include VoIP systems, PSTN, ATM networks, Frame Relay, and Wireless Networks.

• Multiplex/Demultiplex

  Multiplex and Demultiplex software provides the capability to multiplex individual files on different timeslots into one aggregate output file and the reverse process of demultiplex one aggregate file into individual timeslot files

• Windows client server scripted control test and simulation software

  WCS (Windows Client Server)application uses remote C++ client/server mechanism for scripted mode execution option of T1/E1 operations. Various protocol decode agent modules supported by WCS application are explained in detail here

• WCS MC-MLPPP Emulator

The Multi-Class Extension to Multi-Link PPP allows a sender to fragment the packets of various priorities into multiple classes of fragments, and allows high-priority packets to be sent between fragments of lower priorities. GL's flexible and versatile MC-MLPPP Emulator is GUI based WCS client, which simulates MC-MLPPP and PPP protocols over T1/E1 links. The unit is capable of generating and receiving MC-MLPPP/PPP traffic (with or without impairments). Traffic source can be sequence number, HDL files (containing packets/frames), flat binary file, user-defined frames (ASCII HEX file), and Ethernet data. The application may be accessed through a GUI or through command line in C++ clients.

• ISDN Emulator

  ISDN Emulator provides a solution for testing, troubleshooting, installation and maintenance of devices/networks implementing PRI ISDN.

• Multichannel BERT

  MCBERT (MultiChannel Bert) provides on-line and offline measurement of correctness of data received on T1/E1 lines according to a repetitive pattern file.

• Real-time multichannel audio driver (Applicable only for Legacy Laptop and PCI T1/E1 cards)

  Real-time Multichannel Audio Driver allows to send/receive sound to a sound card, and to redirect the audio streams to/from timeslots on a T1/E1 line. Also provides the option of listening to audio files using onboard PC speaker.

• Real-time strip chart software

  Real-time Strip Chart option allows users to capture and analyze signaling as well as PCM data captured at a specified timeslot.

• Application Development Tool Kit

  The Application Development Toolkit provides application programming interface (API) for custom T1/E1 software development.

• FDL Software for ESF (T1 only)

  The Facility Data Link (FDL) Analyzer performs FDL decode and analysis on T1 channels in both real-time and off-line using saved files with high level data link (HDLC) frames and bit-patterned extended superframe (ESF) data link messages.

• MFC-R2 Capture & Analysis

  MFC-R2 capture and analysis application can analyze compliance with timing, frequency, and power of MFC signalling tones, Test switching equipment for proper operation and it is Ideal for traffic recording, billing, and analysis.

• T1/E1 Traffic Classifier

  Traffic Classifier application can analyze the traffic on a T1 or E1 line. It can analyze and classify various traffics such as voice, fax, data, tones (dial tone, ring-back tone, busy tone etc) as well as identify dialing digits and other events happening on a T1/E1 network.

Other Solutions

• Voice Call Management Utility

  GLs' Call Management Utility (CMU), coupled with the GLs' T1/E1 Call Capture and Analysis (CCA) application, provides all the necessary management tools to perform exactly this function.

• Near Real-time Voice-band Analyzer

  The Near Real-time Voice-band Analyzer (VBA) is an analysis tool for monitoring voice band network traffic. The VBA can host different analysis modules for monitoring speech and noise levels, line echo, and acoustic echo.

• Audio Processing Utility (APU)

  Audio processing utility is a pre-processing application used for manipulating the input audio (tones, and voice) files with impairments such as delay, noise, acoustic echo, line echo, and double talk. An echo file is generated if a corresponding line or acoustic echo filter is specified.

• Automated Echo Canceller Testing w/o VQT

  Voice Enhancement and Voice Quality Test software is designed to test the functionality of the voice enhancement devices per G.160, including the voice improvement tests per P800/P861/P862, noise reduction tests, automatic level control tests, and noise compensation tests. VQT (voice quality test) parameters, PESQ, PAMS, PSQM, etc., are graphically presented to display test results.

• Network Surveillance System

  GL Net Surveyor uses an open three tier distributed architecture driven by non-intrusive hardware probes, intelligent software, and a database engine.

• GLInsight™

  GLInsight™ is a state-of-the-art system that provides promptly processed information and analysis of data collected on IP and PSTN networks. Decoded results are analyzed on a per-network basis. Alternatively, data from two networks can be combined to provide additional insight into the networks’ behavior.

• Semi-Automated and Scripted EC Testing with Compliance Testing per G.168

  L's Optional Software "Semi-Automated and Scripted Echo Canceller Testing Suite", provides G.168 compliance testing capability in simple modifiable scripts for each and every G.168 test. The scripts can be easily modified by the user to test different scenarios.

Specifications

Physical Interface

USB Requirements

External Power Requirements

T1/E1 Line Interface

Transmit

Receive

PCM Interface

Audio Interface

External Clock Interface

Handset Interface

Propagation Delay

Precision Delay

Computer Requirement

Physical Dimensions

* Specifications subject to change without notice.

Buyer Guide