61200060L1-1 TSU User Manual 4-1Chapter 4 Testing ExamplePrior to actually using the TSU to pass data, it isrecommended to run tests on the circuit.The testing consists of sending a test pattern from end to endand checking for errors in the pattern. There are two types oftests used to accomplish this.• Send the pattern from one end and loopback the far end.• Send the pattern from both ends and check at both ends.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 (511). The second is a check of the DTE port.Network Interface TestThe Network Interface Test can be run with any channelsetup because the 511 pattern is always sent in the occupiedchannels.1. At the main menu, use the scroll keys to place the cursoron 4)TEST.2. Press ENTER to select.The first two test submenu items display.1 ) M O N I T O R 3 ) U T I L2 ) C O N F I G 4 ) T E S T
