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Digital Loggers T-1 Installation Manual

Audio logger
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T-1 Audio Logger
Installation Guide

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Summary of Contents for Digital Loggers T-1

  • Page 1 T-1 Audio Logger Installation Guide...
  • Page 2  A free USB 480Mbps 2.0 or USB 3.0 port. Slower USB 1.1 ports do not have the bandwidth necessary to stream.  Installation goes smoothly when you know the T-1 line code and format.  Anti-virus software should be set to disassociate audio files while...

  • Page 3: Included Hardware

    PC USB port for recording.  USB “A” to USB “B” High-speed cable with filter Connects the host PC USB 2.0 or 3.0 port to the T-1 Logger. Extending this cable past the 2.0m specification is not recommended.
  • Page 4 T1 Tapper, skip ahead to the instructions on page 8. 3. Attach the T-1 Tapper between the PBX and Telco demark. 4. Press the button on the T-1 Tapper and confirm you have two green lights. Verify the PBX clears the alarm and make a test call to confirm normal T-1 operation before proceeding.
  • Page 5 The T-1 Tapper provides a “high-Z” connection, which will not load the T-1 line. Connect the T-1 Tapper as shown below, allow time for the T-1 line to resync, then check the PBX for normal operation before continuing. Insertion of the T-1 Tapper should...
  • Page 6 Check T-1 Cabling and Continuity Depress the button on the T-1 Tapper to confirm there is continuity in the T-1 Loop. Two green LEDs will illuminate. Both the PBX and the Telco side must be wired correctly for the LEDs to illuminate.
  • Page 7 Cable TDM Data from T-1 Tapper to Logger Use the two black RJ-48 cables provided to connect the East and West TDM data from the T-1Tapper to the Logger. If necessary, these two cables can be substituted with longer cables. Use of cables with ESD shielding is recommended.
  • Page 8 East and West jacks. In this mode, the PBX must be programmed to cross connect a specified speech path (ie. a particular extension) to a corresponding timeslot on the T-1. PBX programming may be required to direct each desired speech path to one of the 48 available...

  • Page 9: Software Installation

    Software Installation A Microsoft Windows update is recommended prior to installation. Visit windowsupdate.microsoft.com. Microsoft has made several improvements in Windows USB drivers. The application also requires Microsoft .NET framework version 2.0 or later. After starting the installation CD, this window appears: Select “Install Recording Software”...
  • Page 10 Click on the image of the T-1 Logger and then “Install Selected Logger”.
  • Page 11 The installation directory may be selected here. Click “Next”.
  • Page 12 Select the components you wish to install. In a standard T-1 installation, these three components should be selected;  Client Software  Server Software  MIL-T1 24/48 Channel T1 USB Logger Ensure these are checked and press “Next”.
  • Page 13 Select a shortcut directory and press “Next.” To starting recording automatically after login, check ‘Start Audio Logger Automatically” If a machine is left unattended, this ensures uninterrupted operation in the event of a power failure and subsequent reboot. You may also disable the “Automatic Disk Cleaning” which automatically deletes the oldest recording files to conserve disk space.
  • Page 14 We highly recommend that a separate hard disk drive or SSD is used for call recording. By keeping the audio files on a separate disk drive, you are assured that other applications which use the system drive won’t interfere with audio streaming. A 3-4TB hard drive typically works well.
  • Page 15 Windows firewall or Security warning message may appear. Allow the installer to make changes. When this window appears: You may power-up and connect the T-1 Logger to your USB port. We suggest leaving the logger on this port. Windows may need to re- load drivers if the logger is moved to another USB port after installation.
  • Page 16 At this point, you should select the T-1 format and line code. Set FORMAT to D4 or ESF to match the T-1. Set CODE to match the T-1 line code. This is normally marked on the jack, or you can get this information from your installer.
  • Page 17 Another security warning may appear as the configuration application proceeds: Choose “Allow access”. A shortcut should now be present on the Windows taskbar. A logger “wizard” may also appear. Use the taskbar shortcut or use the program menu to start the logger application:...
  • Page 18 Opening the application brings up the main screen: The main screen lists each DS0 timeslot in order. This example shows “combine” mode with 24 channels displayed. When recording separately, the second T-1 has timeslots named “Line25” to “Line48”.
  • Page 19 At this point, you should have three green lights on the T1 logger. If not, you may have the line code or type incorrectly configured. Carrier Loss and Sync Loss warnings appear if the T-1 connection is interrupted or received levels are too low. The logger operates reliably over a wide range of –35 to -20dBSx.
  • Page 20 After making changes to a single DS0, you may right click to copy those settings to other lines. Six recording trigger (VOX) modes can be used to start and stop recordings.  ITU Q.731 format is decoded when the logger is set to “D Channel”...

  • Page 21: Service Manager

    operation. To select it, chose “TriggerLevel”. In this mode, recording starts only when audio over a pre-set trigger level is detected. The trigger level may be adjusted in the settings page, or you can drag the arrowhead below the VU meter: ...
  • Page 22 The recording application runs as a Windows service, and a service manager control panel is provided. Evidence Builder Load this on a workstation and point it at the recording directories to analyze incoming calls, create call lists, sort calls, and search by DID.
  • Page 23 Real Time Player Users with access to the recording directory on the file server may monitor calls remotely. An application called Real Time Player is provided on the installation CD. Download this from www.digital- loggers.com/rtp.exe To remotely monitor calls, load the Real Time Player application on a workstation.
  • Page 24 Call Investigator Call Investigator is a wonderful, simple-to-use windows utility for sorting and replaying recordings. It can concatenate files and search directory trees. Find it on the installation CD. Recording SMDR, ANI, and ALI Streams ANI, ALI, or SMDR data streams may be logged using our call detail recorder utility.
  • Page 25 How many channels can I record? Since the logger has two T-1 framers, you can record up to 48 channels. If you have a PBX programmed to output audio via a T-1 card, each of the 48 channels can be recorded individually. PBX programming is required to use this mode.
  • Page 26 Is FT-1 supported? How can I select a particular DID channel within a T-1 line? When bridging an outside T-1 line, you can individually select the timeslots you'd like to record. Fractional T-1s are supported by disabling the unused timeslots. If you have DID speech paths to individual timeslots, these DIDs are recorded in separate directories by default.
  • Page 27 How are the ABCD bits configured to start and stop recording? FXS-Groundstart E&M Trunks Loopstart...
  • Page 28 Support Please visit www.digital-loggers.com for more frequently asked questions. Check www.digital-loggers.com/downloads for free driver updates and manuals. If we haven't answered your questions here, please call (408) 330-5599 or send an email to support@digital- loggers.com. We'll be glad to help. Please send suggestions on improving this manual to engineering @digital-loggers.com...