User's Manual Chapter 13

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The Indoor Unit has two telephone connectors, or jacks, as shown below: L1&2 and L2&1.
Indoor Unit Telephone Connectors
How do I connect a Fax Machine or a one-line telephone to Line 2?
Connect the Fax or telephone
1
directly to the L2&1 jack on the back of the Indoor Unit, if
convenient, or to the Line 2 jack of a splitter plugged into any wall telephone jack. If you have any
problems, contact AT&T Digital Broadband Customer Service.
How do I connect a two-line telephone and have the Line 1 number ring Line 1?
Connect the L1&2 jack on the back of the Indoor Unit to any wall telephone jack and plug the two-
line telephone to any other wall telephone jack in the house. If you have any problems, contact
AT&T Digital Broadband Customer Service.
Can I connect a two-line telephone to have the Line 1 number ring Line 2?
Yes, you can. Connect the L2&1 jack to a wall telephone jack. Calling the Line 1 number will
cause Line 2 to ring on any telephone plugged into the wall telephone jack in the house. If you
have any problems, contact AT&T Digital Broadband Customer Service.
1. All customer-supplied equipment (such as telephones, fax machines, modems, etc.) must comply with FCC regulations,
Chapter 47, Parts 2, 15, 24, and 68, regarding attachment of equipment to the telephone network. Due to variances in the
manufacturers product design, some equipment may not work properly.
Note: The center pair of wires
indicate the active line.