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MyPower S4220 & S4320 Series Switch Installa
tion Manual V1.0
Maipu Confidential & Proprietary Information
Page 23 of 80
3.3 (Optional) Install Interface Daughter
Card Components
If the installed router contains the RM2B-3G interface daughter card, the USIM card and 3G
antenna need to be installed.
3.3.1 Install USIM Card
The USIM card is shown in the following figure.
F
IGURE
3- 5
USIM
CA RD
The specific position of the RM2B-3G interface daughter card USIM card slots on the board is
as shown in the following figure.
F
IGURE
3- 6
USIM
CA RD SL O T P O SI TIO N
When installing the USIM card, perform the following steps:
Step 1: Remove the RM2B-3G interface daughter card from the router. For how to
remove the interface daughter card, refer to
6.1 Change Interface Daughter
Card
.
Step 2: Check the USIM slot position on the board according to the preceding figure.
Step 3: Push the buckle horizontally in the OPEN arrow direction to shift the buckle for
about 2 mm. at this time, the buckle will become loose and slightly upsprung.
Then turn over the buckle manually.