Avaya CMC1 manual Testing hardware connections, Setting the operating mode

Installing and Cabling the Cabinets

Testing hardware connections

In the following table, find your data module and follow the instructions for testing and troubleshooting it.

.

Type of	How to Test and Troubleshoot
Data
Module
8400B+	The red LED should be steady on. If the red and green
	LEDs are blinking, the unit is not communicating with
	the Avaya CMC1 Media Gateway. Check the wiring at
	the MDF, wall jack, and the 8400B+.
7400B+	The Power and TR LEDs should be steady on. If the
	Power and Data LEDs are blinking, the unit is not
	communicating with the Avaya CMC1 Media Gateway.
	Check the wiring at the MDF, wall jack, and the 7400B+.

7400A

Set the 7400A to DCE mode. The Power LED must be steady on. The DTR, DSR, DCD, RTS, and CTS settings must be highlighted in the display. If the Power LED is blinking, the data module is not communicating with the Avaya CMC1 Media Gateway. Check the wiring at the MDF, wall jack, and 7400A.

Setting the operating mode

To set the operating mode of the data module:

1.Connect an RS-232 cable from the ASA/DSA/DNA computer to the data module. If you are using an 8400B+, connect the ASA/DSA/DNA computer to the data module using the supplied adapter cable.

2.Using a terminal emulator, connect to the serial port to which the data module is connected, and set the emulation to vt100 mode.

3.Type AT at the prompt and press Enter.The data module should return an OK. If it does not, be sure that a standard RS-232 or EIA-232 cable is connected (not a null modem cable).

72 Installation, Upgrades and Additions for Avaya CMC1 Media Gateways