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Chapter 3. O peration
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8
7
Figure 3-1. ESU 120e Front Panel Layout
No
Name
1
LCD Window
2
Enter
3
Up and Down Arrows
4
Alarm
5
Clear
6
Shift
7
DSU/Drop
8
OK (DSU/Drop status)
9
Test (DSU/Drop Status)
10
Alarm (DSU/Drop Status) Active when alarm condition has been detected on Data or Drop Port
11
OK (Module Status)
12
Test (Module Status)
13
Alarm (Module Status)
14
Cancel
15
Copy
16
OK (CSU Status)
17
Test (CSU Status)
18
Error (CSU Status)
19
Home
20
Alarm (CSU Status)
3-2
1
10
11 12
Displays menu items and messages
Selects active menu item
Scrolls through/activates submenu items
Quick access to the active alarm display menu
Clears data/results fields
Provides access to special function keys
Data and Drop parts is in normal mode with no errors
Active when Data or Drop Port is in test mode
Operation is in normal mode with no detected errors
Active when the module is in test mode
Active when an alarm condition has been detected
Stops current activity and returns to the previous menu
Copies last data entered into the current TS0
Operation is in normal mode with no detected errors
Active when network interface is in test mode
Indicates errors such as BPV, OOF, and CRC
Returns to main menu
Active when alarm condition detected on the network interface
ESU 120e User Manual
2
3
14 15
16 17 18
13
Description
4
5
6
20
19
61200420L1-1
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