JUNOS Internet Software Network Operations Guide: Hardware
Figure 72 shows the M20 Internet router craft interface.
Figure 72: M20 Router Craft Interface
Red alarm
LED
Alarm cutoff button
NC
C
NO
NC
C
NO
ACO/LT
Link status light
Activity status light
Routing Engine 0 ports
AUX/MODEM MGMT CONSOLE
Routing Engine 0
LEDs
OFFLINE ONLINE MASTER
OFFLINE ONLINE MASTER
Routing Engine 0 offline button
FPC offline buttons
RE0
RE1
FAIL OK
FAIL OK
FAIL OK
FAIL OK
FPC0
FPC1
FPC2
FPC3
Alarm relay contacts
Yellow alarm
LED
Link status light
Activity status light
Routing Engine 1 ports
Routing Engine 1
LEDs
Routing Engine 1 offline button
FPC LEDs
Figure 73 shows the M40 Internet router craft interface.
Figure 73: M40 Router Craft Interface
FPC LEDs FPC offline buttons
NC
C
NO
NC
C
NO
FAIL
0
OK FAIL OK FAIL
1
RED
ALARM
ALARM
YELLOW
ALARM
ALARM
CUTOFF
2
OK FAIL
3
OK FAIL
4
MENU
ENTER
OK FAIL
5
OK FAIL OK FAIL
6 7
ROUTING ENGINE
OK
FAIL
CONSOLE
MANAGEMENT
ETHERNET
AUXILIARY
OK
Alarm relay contacts
Alarm LEDs LCD display
LCD navigation buttons
LEDs Routing Engine ports
200 !
Understanding the Craft Interface
