Cisco 1751 - Manual (Page 84)

Appendix D Installing the Virtual Private Network Module
Installing the VPN Module in a Cisco 1751 Router
D-8
Cisco 1751 Router Hardware Installation Guide
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Figure D-4 Cisco 1751 Motherboard—VPN Module Location
Step 4 Pushing down with both thumbs as shown in Figure D-5 , plug the VPN module
into the socket.
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