Chapter 3. Operation
3-12
TSU User Manual
61200060L1-1
CURR ERR/ALM Submenu of 1)Status
The Current Error/Alarm menu is used for viewing currently
Active/Inactive errors and alarms.
1.
With the cursor on main menu item
1)S
TATUS
, press
ENTER
.
The first of three Status submenu items with the
cursor on 1)NI PERF RPTS displays.
2.
Press the down scroll key
.
3.
Press
ENTER
.
The results display the first current
E
RRORS
/A
LARMS
screen.
The up and down scroll keys are used to access the complete
display of the errors/alarms that are currently active. The
alarms and errors which can be seen are shown below.
L O S S O F S I G N A L
A C T I V E
Alarm Investigated
State (Active/Inactive)
Loss of Signal
No pulses received at NI.
AIS Alarm
Unframed All-Ones received at NI.
Out of Frame
No framing pattern sync at NI
Yellow Alarm
Receiving yellow alarm pattern from
NI.
Red Alarm
LOS/OOF causing red alarm at NI.
Code Violations
CRC errors in ESF, or BPVs in SF were
received at NI.
Bipolar Violations
BPVs in SF or ESF.
Frame Bit Errors
Frame Bits received incorrectly at NI.
PLL Alarm
Unable to sync up to selected clock
source.
Содержание 1200060L1
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Страница 14: ...List of Figures xiv TSU User Manual 61200060L1 1...
Страница 16: ...List of Tables xvi TSU User Manual 61200060L1 1...
Страница 66: ...Chapter 3 Operation 3 30 TSU User Manual 61200060L1 1...
Страница 70: ...Chapter 4 Testing Example 4 4 TSU User Manual 61200060L1 1...
Страница 72: ...Appendix A TSU Complete Menu A 2 TSU User Manual 61200060L1 1...
Страница 74: ...Appendix B DTE Data Rate Chart B 2 TSU User Manual 61200060L1 1...
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