Avaya Digital Drop and Insert (DDI) MUX Guia de Instalação descarregar pdf (Página 35)

Installing the DDI MUX 35

DDI MUX Installation Guide

All data not received at the far end.

Problem indicates invalid clocking between the DDI MUX and the DTE.

• Check if TxD and RxD LEDs are blinking.

• Check the DTE configuration.

• Check the DDI MUX clock source using Unified Manager.

• Check data inversion configuration at the far end.

• Make sure the network supports the data rate per channel.

• Make sure data rate per channel and channels assigned are equal to the far end.

• Invert the clock.

DCE, DSR and CTS LEDs are off

• Check configuration of the DDI MUX.

• Check the T1 cable.

Power, Status and CTS LEDs are on solid and In Service, Loopback Test, Receive

and Transmit LEDs are blinking

Check the DS30 channel assigned to the DDI MUX and the DS30 Split used by the Business

Communications Manager system.

• If the Business Communications Manager system uses a 2/6 DS30 Split, the DDI MUX must

be assigned to a DS30 channel from 2 to 6.

If the Business Communications Manager system uses a 3/5 DS30 Split, the DDI MUX must

be assigned to a DS30 channel from 2 to 5.

• Make sure there is no other media bay module using the DS30 channel assigned to the DDI

MUX or the next DS30 channel. For example, if the dip switch settings on the DDI MUX are

set to DS30 channel 3, no other media bay module can use DS30 channels 3 or 4.

For more information about the DS30 Split, refer to the Business Communications Manager

Programming Operations Guide.

TM is on, data is not transmitting

• Loopback is active. Program Loopback to None.

Alarm 101 sounds

There is a mismatch of type of hardware connected to the Business Communications Manager and

type of hardware defined in programming.

• Check that the Programmed Bus Type setting is Data Module.

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Avaya Digital Drop and Insert (DDI) MUX Guia de Instalação Página 35