Chapter 1. Introduction TSU LT User Manual26 © 2002 ADTRAN, Inc. 61202060L4-1Control Port InputFeatures of the control port input include:• EIA-232 input from a personal computer (PC) or a modem for control of the TSU LT• Chain input from another TSU LT• Up to 9600 baud operation• Input for PC proxy agent control or for a chained connectionChain Port OutputFeatures of the chain port output include:• EIA-232 output to chain control to other TSU LTs• Up to 9600 baud operation• Automatic setup; no user input requiredSoftware ManagementFront PanelThe front panel provides complete and easy control of all items that can be configured through menu-guided options. The front panel LCD also displays the status of operation and performance reports for theunit. A complete discussion of the operation of the front panel is found in Chapter 3. The menu options arefound in Chapters 4 through 7.T-Watch Pro Management Software ProgramT-Watch Pro is the ADTRAN management software program that allows the user to control the TSU LTfrom a PC. It provides complete control over the configuration of the TSU LT using a graphic interface.The T-Watch Pro program displays the same status and performance data as the front panel LCD. Thisdata is displayed as tables and graphs.The T-Watch Pro program has the following capabilities:• A modem interface permits dialing into a remote TSU LT location to configure the unit, read the unit’sstatus, or check its performance.• The performance data read from the units can be exported to a file which is compatible with commonspread sheet programs.TestingThe TSU LT offers three forms of testing:• Self-test• Loopback tests• Pattern generation and check