Cisco 1000 Series

Installing a SIM Card on C111X, C1109-2PX, C1109-4P
The SIM Card socket is located on the I/O side of the unit.
Hardware Installation Guide for the Cisco 1000 Series Integrated Services Router
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Install and Upgrade Internal Modules and Field Replaceable Units
Installing a SIM Card on C111X, C1109-2PX, C1109-4P