Using an SMDR Y Cable on the ETM® Communications Appliance

Article #INS225B


When a Y cable is used to connect an ETM® Communications Appliance to a PBX, the Appliance assumes that the other device connected to the Y cable (e.g., a computer) is providing the handshake signal to request receive data. If the other device is powered off or is not providing the handshake, SMDR data is not sent to the Appliance.

Versions Affected

All ETM Platform 2000- and 3000-Series Appliances

More Information

If the PBX is correctly configured to send SMDR, but the Appliance does not receive SMDR data when connected to the PBX, verify the following:

·         The other device connected to the Y cable is powered on and functioning properly.

·         The SMDR Y cable is built correctly. (In the ETM Platform online Help, search on “SMDR Y-Cable Pinouts” for cable diagrams.)

Last Update: 2/26/02

SecureLogix Corporation

13750 San Pedro, Suite 230 • San Antonio, Texas 78232 • (210) 402-9669 •

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 2002 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.

This product includes:
Data Encryption Standard Software developed by Eric Young (
© Copyright 1995 Eric Young. All Rights Reserved.
Style Report software owned and licensed exclusively by InetSoft Technology Corp.
© Copyright 1996-2000 InetSoft Technology Corp. All Rights Reserved.

Published on December 3, 2002  |  Updated on July 20, 2021

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