Good day everyone.I have the Lucent Pagepac Plus Amplicenter D100 and now wants to connect that to our new Cisco phone system as well as the Cisco 2921 router.  So which port, FXO or FXS, will I be connecting to enable the D100 to work with the Cisco...

We currently have to sites, here are the info and equipments we have @each site and hope someone can assist me with this.site1: have Lucent Page Pac Plus amplicenter D100paging system - avaya partner Merlin, 408GLS/LS-ID-MDXrouter: cisco 2910 routerC...