Cisco3620-RPS Router for use the AC-RPS. REQUIRES Cisco AC-RPS (parts below)This router designed for branch office and remote site environments.This router is a modular configuration router which supports LAN/WAN connectivity through add-in modules. The chassis does not have LAN or WAN modules included. Modules are available for a wide variety of applications, Serial, Async, PRI, BRI, and others listed below.