Unsupported Span Configurations

Article #INS112

Synopsis

The ETM® System supports a wide variety of span configurations, as described in Knowledge Base article #INS678, ETM® System v4.0.x Minimum System and Network Requirements. However, certain configurations are not supported and will prevent the system from functioning properly, as described below.

More Information

IMPORTANT On a 24-channel ISDN-PRI trunk that has either its own D- channel or has the primary or backup D-channel of an NFAS group, the ETM System requires that the D-channel reside on channel 24. The trunk must be entirely ISDN for the Span to function properly.

The following configurations are not supported by the ETM System:

  • Split ISDN/T1 CAS. Some sites may have a hybrid trunk with some channels configured as T1 and some configured as ISDN. The ETM System cannot function in this environment.
  • Multiple D-channels on a single trunk. Some sites may have multiple D- channels on a single trunk due to split functionality (e.g., part voice, part video teleconference). The ETM System can only recognize and gather information from the D- channel that resides on channel 24.

Versions Affected

All versions prior to ETM System v4.1.

Last Updated

7/15/2003

SecureLogix Corporation • 13750 San Pedro, Suite 230 • San Antonio, Texas 78232 • (210) 402-9669 • www.securelogix.com

Support (877) SLC-4HELP • EMAIL support@securelogix.com • http://support.securelogix.com

ETM, SecureLogix, SecureLogix Corporation, TeleWatch Secure, TWSA, the ETM Emblem, the SecureLogix Diamond Emblem, and the ETM Application Suite Emblems are trademarks or registered trademarks of SecureLogix Corporation in the U.S.A. and other countries. All other trademarks mentioned herein are believed to be trademarks of their respective owners.

© Copyright 2003 SecureLogix Corporation. All Rights Reserved.

U.S. Patents No. US 6,249,575 B1 and US 6,320,948 B1.

U.S. and Foreign Patents Pending.

Published on July 28, 2003  |  Updated on July 20, 2021

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