Table 10: Craft Interface LEDs, Buttons, and Connectors (continued)
DescriptionLabelFunction No.
Online and Offline buttons located next to each
line card allows you to take individual line cards
offline or online.
Status LEDs for the upper ten line cards.
LC 10 through LC 199
Online and Offline buttons located next to each
Control Board and Routing Engine (CB-RE) allows
you to take individual CB-REs offline or online.
Status LEDs for the two CB-REs cards.
CB-RE 0 and CB-RE 110
Online and Offline buttons located next to each
line card allows you to take individual line cards
offline or online.
Status LEDs for the lower ten line cards.
LC 0 through LC 911
Online and Offline buttons located next to each
SFB allows you to take individual SFBs offline or
online.
Status LEDs for eight SFBs.
SFB 0 through SFB 712
RELATED DOCUMENTATION
Replacing the MX2020 Craft Interface
MX2020 Craft Interface Serial Number Label | 717
MX2020 Alarm Relay Contacts on the Craft Interface
The craft interface has two alarm relay contacts for connecting the router to external alarm devices. (see
Figure 13 on page 34) Whenever a system condition triggers either the red or yellow alarm on the craft
interface, the alarm relay contacts are also activated. The alarm relay contacts are located on the upper
right of the craft interface (see Table 11 on page 34).
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