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Knowledge Base

USG2200 interface card is not hot-swappable

Publication Date:  2012-09-17  |   Views:  514  |   Downloads:  0  |   Author:  SU1001573735  |   Document ID:  EKB1000014996


Issue Description

If the interface card was intruded into USG2200 when it is in power, the interface card can not register and be used.
In the bad grounding condition, host computer will be damaged when plug and play interface card.
After system reboot, by check the device information, such as printing follow information, we find that the interface card which is in 5th slot can not register.
[USG2200]display device
USG2200 's Device status:

Slot # Type Online Status
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
0 RPU Present Normal
5 UNKNOWN Present Abnormal
6 1GE Present Normal
8 FAN Present Normal
9 FAN Present Normal
10 PWR Present Normal

Alarm Information


Handling Process

Power-off and plug into the interface, then power on.

Root Cause

In software and hardware design, USG2200 series devices are not hot swappable.


4 MIC slots in USG2200 device are asymmetry. In support of the interface card type as follows:
slot 3 MIC    slot 4 MIC    slot 6 FIC
slot 1 MIC    slot 2 MIC    slot 5 FIC

Chassis back configuration diagram
card type                for short      support slot
FWF1F1E1            1E1              MIC1,MIC2,MIC3,MIC4
FWF1F1CE1         1CE1           MIC1,MIC2,MIC3,MIC4
FWF1ADPA            ADSL2+      MIC1,MIC2
FWF1E1FE            1FE              MIC1,MIC2
FWF1E5FEA          5FE             MIC1,MIC2
FWG1F1SA            1SA             MIC1,MIC2,MIC3,MIC4
FWG1E1GE           1GE            FIC5,FIC6
FWG1F2E1            2E1             FIC5,FIC6
FWG1C2E1           2CE1          FIC5,FIC6