61200410L1-1 ESULT User Manual 8-1Chapter 8 Example OperationsTESTING EXAMPLESBefore using the ESU LT to pass data, it is recommended torun tests on the circuit. Testing consists of sending a testpattern from end-to-end and checking for errors in thepattern. There are two types of tests used to accomplish this:• Loop-up the far end and then send a test pattern.• Send a test pattern from both ends and check at botends.Far End Looped Back TestTwo types of tests can be executed with the far end looped.The first is a check of the network and the network interfacesat both ends. The second is a check of the DTE port.Network Interface TestThe Network Interface Test can be run with any channelsetup because the 511 and QRSS patterns are always sent ithe occupied channels.Step Action1 Select TEST from the MAIN MENU. See Figure 8-1.2 Use the Up and Down arrows to place the cursoron TEST and press Enter to select.Result: The first twoTEST submenu items display.See Figure 8-2.
