Analog Data Device; Installing The Ata2; Connecting The Ata2 - Nortel BCM200 Installation And Maintenance Manual

170 Chapter 11 Installing the analog terminal adapter
Figure 81 Analog telephone installation overview
BCM main unit
Central
Office

Analog data device

The ATA2 connects a standard analog data device, such as a fax or modem, to the BCM system.
Figure 82 shows an installation overview for connecting a data communication device through an
ATA2 to the BCM system.
Figure 82 Data communication device installation overview
Central
Office

Installing the ATA2

This section provides information on installing the ATA2:
•

"Connecting the ATA2"

• "Mounting the ATA2" on page 171
• "Test insertion loss measurement" on page 172
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
N0060612 N0060612
ATA 2 power cord
Line loop resistance:
135 ohms maximum
BCM main unit
ATA 2
Terminal loop resistance:
1300 ohms maximum
ATA 2 power cord
ATA 2
Line loop resistance:
135 ohms maximum
Figure 83).
Analog telephone
Data communication
device
Terminal loop resistance:
200 ohms maximum