ADTRAN MX2800 M13 - Manual (Page 107)

61200290L1-1G 6-1
S ECTION 6, L OOPBACKS
Section 6
Loopbacks
1. INTRODUCTION
The Loopback menu initiates loopback tests from the MX2800. Figure 6-1 shows the main Loopback
menu. To initiate a loopback, select Loopback Menu.
To locate descriptions of the types of loopback tests that are available, find T1/E1 , DS2 , or DS3 Loopback
descriptions . Next, select by number the type of loopback for a description.
Descriptions and testing diagrams of the loopback tests are provided in the following subsections:
• T1/E1 Loopbacks on page 6-2
• DS3 Loopbacks on page 6-6
• DS2 Loopbacks on page 6-9
Figure 6-1. Loopback Menu