Chapter 4. Status
4-2
OSU 300 User Manual
61200663L1-1
NETWORK: STATE
This field displays the current condition of the network. Possible
conditions are listed in the following chart.
NETWORK: ALARM
This field displays the current alarm condition of the OSU 300.
Possible conditions are given in the following chart.
Condition
Description
Normal
The OSU 300 is ready to pass data.
Alarm
The unit is currently receiving an alarm indication. See the
A
LARM
S
TATE
field in this menu to determine the alarm type.
In Test
The unit is currently in test mode. The
D
IAGNOSTICS
menu provides
information on test type.
Condition
Description
Normal
No alarms are currently being received.
Yellow
The unit is transmitting a yellow alarm from the network. This alarm is a
signal sent back toward the source of a failed transmit circuit. The X-bits
(X1 and X2) are set to zero.
LOS (Red Alarm)
The unit has lost the Rx signal.
OOF
The unit detects an out of frame condition from the network.
Idle
The unit detects an idle sequence from the network. Service is
immediately available for use.
Summary of Contents for 1200218L1
Page 8: ...viii...
Page 14: ...Table of Contents xiv OSU 300 User Manual 61200663L1 1...
Page 18: ...List of Tables xviii OSU 300 User Manual 61200663L1 1...
Page 24: ...Chapter 1 Introduction 1 6 OSU 300 User Manual 61200663L1 1...
Page 38: ...Chapter 2 Installation and Operation 2 14 OSU 300 User Manual 61200663L1 1...
Page 64: ...Chapter 4 Status 4 8 OSU 300 User Manual 61200663L1 1...
Page 72: ...Chapter 5 Statistics 5 8 OSU 300 User Manual 61200663L1 1...
Page 104: ...Appendix C Acronyms Abbreviations C 4 OSU 300 User Manual 61200663L1 1...
Page 116: ...Appendix D Glossary D 12 OSU 300 User Manual 61200663L1 1...
Page 122: ...Index Index 6 OSU 300 User Manual 61200663L1 1...