118Chapter 11 Installing the analog terminal adapter

Analog data device

The ATA2 connects a standard analog data device, such as a fax or modem, to the BCM50 system.

Figure 47 shows an installation overview for connecting a data communication device through an ATA2 to the BCM50 system.

Figure 47 Data communication device installation overview

ATA2 power cord

Data communication

BCM50

device

ATA2

 

Line loop resistance:

Terminal loop resistance:

135 ohms maximum

200 ohms maximum

Installing the ATA2

This section provides information on installing the ATA2:

“Connecting the ATA2”

“Mounting the ATA2” on page 119

“Test insertion loss measurement” on page 120

Connecting the ATA2

After the correct environment has been set up, connect the BCM50 system and the analog device to the ATA2, then connect the power (see Figure 48).

Figure 48 ATA2 top view

 

 

24 V ~

 

 

0.006 A

Line= jack

Terminal jack

Power supply connector receptacle

Figure 49 shows the pinouts for the connection cables.

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Nortel Networks BCM50 Installing the ATA2, Analog data device, Connecting the ATA2, Installing the analog terminal adapter