Juniper Networks IDP SERIES IDP250 - Manual (Page 20)

Table 9: Copper Port LEDs
Description State LED
Link is present. Glows green LINK ACT
Activity. Blinks green
No link present. Off
Connection is 100 Mbps. Green LINK SPD
Connection is 1 Gbps. Yellow
If LINK ACT is on, the connection is 10 Mbps. If LINK ACT is
off, LINK SPD off indicates no link is present as well. Off
Interface is not in bypass mode. Green BYP
Interface is in bypass mode. Yellow
Interface is turned off (NICs off state). Off
NOTE: For copper interface ports, if failure or shutdown triggers NICs off
state, LINK ACT and LINK SPD LEDs are turned off.
Fiber Ports
Figure 5 on page 8 shows fiber port LEDs.
Figure 5: Fiber Port LEDs
Table 10 on page 9 describes fiber port LED states.
Copyright © 2012, Juniper Networks, Inc. 8
IDP250 Installation Guide