![Alcatel 7750 SR-12 Скачать руководство пользователя страница 117](http://html1.mh-extra.com/html/alcatel/7750-sr-12/7750-sr-12_installation-manual_2891366117.webp)
Appendix A: LEDs
7750 SR-12
Page 115
M/S
Ref
The M/S LED is lit only on the active CPM.
Master/Slave clocking reference designation:
• Green: Indicates that the SF/CPM is designated as the primary clocking
reference in a redundant system.
• Green (blinking): Indicates that the SF/CPM is operating as the
secondary clocking reference in a redundant system.
• Unlit: Clock not initialized or not enabled.
Note: The clock is only required for SONET and/or 10GbE WAN
operations.
Timing
The Timing LED is lit only on the active CPM and indicates system
status and quality.
• Green: Locked (operational state)
• Green (blinking): Clock in (internal) holdover state
• Amber: Alarm condition
• Amber (blinking): Clock in free running state
• Unlit: Clock not initialized or no SONET ports are provisioned on the
system.
Reference
1
The Reference LEDs are lit only on the active CPM and indicate the
status and quality of the individual timing sources.
• Green: Qualified and selected as clock reference input.
• Green (blinking): Qualified but set as standby clock reference.
• Amber: Not qualified.
• Unlit: Not in use, not configured.
2
This LED is lit only on the active CPM. The standby should be unlit.
• Green: Qualified and selected as clock reference input.
• Green (blinking): Qualified but set as standby clock reference.
• Amber: Not qualified.
• Unlit: Not in use, not configured.
3
This LED is lit only on the active CPM. The standby should be unlit.
This LED supplies status on BITS network clocking which derives
network timing from the central office (CO) BITS.
• Green: Qualified and selected as clock reference input.
• Green (blinking): Qualified but set as standby clock reference.
• Amber: Not qualified.
• Unlit: Not in use, not configured.
Table 30: Model SFM-400G SF/CPM Field Descriptions (Continued)
Key
Label/Part
Sub-
category
Description
Содержание 7750 SR-12
Страница 1: ...7750 SR 12 INSTALLATION GUIDE Document Part Number 93 0019 01 December 2003 ...
Страница 6: ...Page 4 7750 SR 12 Table of Contents ...
Страница 14: ...Page 12 7750 SR 12 ...
Страница 84: ...Monitoring AC Power Page 82 7750 SR 12 ...
Страница 100: ...Establishing Router Connections Page 98 7750 SR 12 ...
Страница 150: ...Impeller Trays Page 148 7750 SR 12 ...
Страница 156: ...Cable Pin Assignments Page 154 7750 SR 12 ...