Nortel Networks 400 4.0, BCM200 manual Installing the ATA2, Analog data device, Connecting the ATA2

168Chapter 11 Installing the analog terminal adapter

Figure 80 Analog telephone installation overview

Central Office

	ATA 2 power cord
BCM main unit	Analog telephone

ATA 2

Line loop resistance:	Terminal loop resistance:
135 ohms maximum	1300 ohms maximum

Analog data device

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

Figure 81 shows an installation overview for connecting a data communication device through an ATA2 to the BCM system.

Figure 81 Data communication device installation overview

ATA 2 power cord	Data communication
BCM main unit
	device
Central
Office
ATA 2
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 169

•“Test insertion loss measurement” on page 170

Connecting the ATA2

After the correct environment has been set up, connect the BCM system and the analog device to the ATA2 and then connect the power (see Figure 82).

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