Hardware Component Overview
Relay Contacts” on page 34. The LCD on the craft interface reports the cause
of the alarm, as described in “LCD Alarm Mode” on page 30.
To deactivate red and yellow alarms, press the button labeled
ACO/LT
(for “alarm
cutoff/lamp test”), which is located to the left of the alarm LEDs. Deactivating an
alarm turns off both LEDs and deactivates the device attached to the corresponding
alarm relay contact on the CIP. However, the LCD continues to report the alarm
message until you clear the condition that caused the alarm.
Table 9 describes the alarm LEDs and alarm cutoff button in more detail.
Table 9: Alarm LEDs and Alarm Cutoff/Lamp Test Button
Shape
Color
State
Description
Red
On steadily
Critical alarm LED—Indicates a critical condition
that can cause the router to stop functioning.
Possible causes include component removal,
failure, or overheating.
Yellow
On steadily
Warning alarm LED—Indicates a serious but
nonfatal error condition, such as a maintenance
alert or a significant increase in component
temperature.
—
—
Alarm cutoff/lamp test button—Deactivates red
and yellow alarms. Causes all LEDs on the craft
interface to light (for testing purposes), when
pressed and held.
LCD and Navigation Buttons
A four-line LCD is located in the craft interface, along with six navigation buttons.
The LCD operates in two modes, as described in the following sections:
LCD Idle Mode on page 29
LCD Alarm Mode on page 30
LCD Idle Mode
During normal operation, the LCD operates in idle mode and reports
current status information, as shown in Figure 12.
Craft Interface
29
Summary of Contents for Internet Router M160
Page 12: ...M160 Internet Router Hardware Guide xii Table of Contents ...
Page 16: ...M160 Internet Router Hardware Guide xvi List of Figures ...
Page 18: ...M160 Internet Router Hardware Guide xviii List of Tables ...
Page 24: ...M160 Internet Router Hardware Guide xxiv Requesting Support ...
Page 26: ...2 Product Overview ...
Page 30: ...M160 Internet Router Hardware Guide 6 Safety Requirements Warnings and Guidelines ...
Page 66: ...M160 Internet Router Hardware Guide 42 Cable Management System ...
Page 80: ...M160 Internet Router Hardware Guide 56 Routing Engine Architecture ...
Page 82: ...58 Initial Installation ...
Page 104: ...M160 Internet Router Hardware Guide 80 Unpacking the Router ...
Page 148: ...M160 Internet Router Hardware Guide 124 Configuring the JUNOS Internet Software ...
Page 150: ...126 Hardware Maintenance Replacement and Troubleshooting Procedures ...
Page 242: ...M160 Internet Router Hardware Guide 218 Troubleshooting the Power System ...
Page 244: ...220 Appendixes ...
Page 292: ...M160 Internet Router Hardware Guide 268 Packing Components for Shipment ...
Page 301: ...Part 5 Index Index 277 ...
Page 302: ...278 Index ...