Dell PowerEdge M420 Manual - Page 7

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Dell PowerEdge M420 Manual
• Downlink (server blade) does not support the link protocol of the port group to which it is
attached
• Uplink (remote peer) does not support the link protocol of the port group to which it is attached
The following drawing demonstrates link protocol mismatch conditions:
Blade Configuration:
KR
KX4
KX
KR
KX4
KX
KX4
KX4
KR
KX4
KX
KR
KX4
KX
KX4
KX4
1.4

LED Behavior

The LED behavior is described in the following table:
Table 3 - LED Behavior
Condition
Link down
Figure 2: Link Protocol Mismatch Examples
Module Configuration:
SFP+ SR
SFP+ SR
SFP+ SR
SFP+ LR
SFP+ LR
SFP+ LR
No Cable
EMPTY
Passive Cable
Passive Cable
Passive Cable
SFP
SFP
SFP
SFP+ LRM
SFP+ LR, No Link
Green LED
Amber LED
off
off
Description
This condition occurs in the following cases:
•
Server blade not present, powered down, or link is
inactive
•
Uplink port module not present
•
Uplink port cable not connected
•
One or both of the internal and/or external links is
down
Rev 1.00
Link up
Blade is not KR
Blade is not KR
Link up
Blade is not KR
Blade is not KR
No cable detected
Module not present
Link up
Blade is not KR
Blade is not KR
Module is SFP (1GbE)
Module is SFP (1GbE)
Module is SFP (1GbE)
LRM module not supported
No link with remote side
7