Chapter 3. Operation
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No | Description | Action/Status |
1 | LCD Window | Displays menu items and messages in 2 lines by 16 |
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| characters |
2 | Up and Down Arrows | Scroll through and activate the submenu items available in |
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| the current menu. The flashing cursor indicates the active |
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| parameter |
3 | Enter Key | Selects active item |
4 | Alarm | Quick access to the active display menus |
5 | Clear | Clears data/results fields |
6 | Shift | Provides access to special function keys |
7 | OK (DSU/DSX Status) | Operation is in normal mode with no detected errors |
8 | Test (DSU/DSX Status) | Active when the module is in test mode |
9 | Alarm (DSU/DSX Status) | Active when an alarm condition has been detected |
10 | OK (Module Status) | Operation is in normal mode with no detected errors |
11 | Test (Module Status) | Active when the module is in test mode |
12 | Alarm (Module Status) | Active when an alarm condition has been detected |
13 | Cancel | Stops current activity and returns to the previous menu |
14 | Copy | Copies last data entered into the current DS0 |
15 | OK (CSU Status) | Operation is in normal mode with no detected errors |
16 | TEST (CSU Status) | Active when the network interface is in test mode |
17 | Error (CSU Status) | Indicates errors such as BPV, OOF or CRC |
18 | Home | Returns to the main menu |
19 | Alarm (CSU Status) | Active when an alarm condition has been detected on the |
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| network interface |
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Figure 3-1. TSU 120 Front Panel Layout
TSU 120 User Manual |
