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Office Hours
Monday through Thursday, 8:00 am to 5:00 pm Pacific Time; closed Fridays

Broadcast Tools, Inc. will be closed in observance of the following holidays:
Closed December 25 through January 1, 2014. Limited technical support is available during the holiday break.

New Year’s Day, Thursday, January 1, 2015
Memorial Day, Monday, May 26, 2014
Labor Day, Monday, September 1, 2014
Thanksgiving Day, Thursday, November 27, 2014
Christmas Day, Thursday, December 25, 2014



Designed and Assembled in
Washington State, USA

Web site design by:
Audio Sentinel® >>Web


Product Overview The Audio Sentinel® is a web-enabled two channel stereo silence monitor combined with a transparent, integrated audio switcher. Audio Sentinel® is designed to monitor two balanced or unbalanced independent stereo analog audio sources and switch to a back-up analog audio source when silence is detected on either or both channels. The Audio Sentinel® may also be configured for independent dual-stereo non-switching applications. The Audio Sentinel® can be controlled and monitored locally and/or remotely over any IP network, including private networks, IP-based industrial control networks, and the Internet. Users can operate the product using a web browser or web-enabled mobile device. Email notification may be configured to alert up to EIGHT recipients when alarms are detected. The user may also enable a sound effect to play on their PC speaker when an alarm is generated. Logging of system status, along with the site ID may be emailed in time spans from once an hour to once a day. One SPDT relay is supplied to indicate which input channel is feeding the output, while two additional independent SPDT relays may be configured to perform user defined action sequences. We have also provided SNMP capabilities to allow multiple units to be monitored with any SMNP manager software package. SMTP username and passwords are also supported.
Features/Benefits

  • Three color audio LED meters for both stereo channels.
  • Transparent stereo program switcher with transfer switch,
    indicator LED and SPDT position relay.
  • Two additional independent SPDT relays may be configured to perform user defined action sequences.
  • Email notification may be configured to alert up to EIGHT recipients when alarms are detected.
  • Email logging of system status, along with the site ID may be emailed in time spans from once an hour to once a day.
  • SNMP capabilities allow multiple units to be monitored.
  • Silence trip level detection from -24dB to -35dB in 1 dB
    steps for each stereo channel.
  • Precise time delay from 0(OFF) to 65535 seconds (18 hours, 12 min and 15 sec’s). in one-second increments for each channel.
  • Restore time delay from 0(OFF) to 65535 seconds (18 hours, 12 min and 15 sec’s). in one-second increments for each channel.
  • Active balanced/unbalanced inputs.
  • Web enabled manual or automatic switch with indicator.
  • Web enabled switch bounce switch with indicator.
  • Front panel and remote input select and web enabled transfer input with front panel LED and web indicator.
  • Front Panel Power/Heartbeat LED
  • Built-in web server provides simple, web based
    monitoring, configuration and control.
  • Control page can be customized with appropriate text.
  • 10/100 baseT Ethernet connectivity.
  • Protocols: TCP/IP, UDP/IP, ARP, ICMP, SNMP, TFTP, Telnet, DHCP, BOOTP, HTTP, and AutoIP.
  • Removable euroblock screw terminal connector simplifies wiring and service. Mating plugs are supplied.
  • Eight Usernames and Passwords may be configured for
    up to three access levels.
  • Selectable TCP ports.
  • Supplied with domestic power supply.
  • Up to four Audio Sentinels may be mounted on the optional RA-1 rack shelf. Desk top and wall mounting is also possible.

    Available: NOW

131 State Street • Sedro-Woolley, WA 98284
Ph: 360.854.9559 • support@broadcasttools.com • Fax: 866.783.1742
Monday through Thursday 8:00 AM to 5:00 PM Pacific Time

Broadcast Tools® is a registered trademark of Broadcast Tools, Inc.
All Sentinel® labeled products are a registered trademark of Broadcast Tools, Inc.
Copyright ® 1989 - 2014 by Broadcast Tools, Inc. All rights reserved.
Pricing and availability are subject to change without notice.