Key features for the Cisco 3725 and 3745:

• Two Integrated 10/100 LAN ports
• Two Integrated Advanced Integration Modules (AIM) slots
• Three Integrated WAN Interface Card (WIC) slots
• Two (Cisco 3725) or four (Cisco 3745) Network Module (NM) slots
• One (Cisco 3725) or two (Cisco 3745) High Density Service Module (HDSM)-capable slots
• 32MB Compact Flash (default); 128MB maximum
• 128MB DRAM (default, single 128MB DIMM); 256MB DRAM maximum
• Optional In-Line Power for 16-port EtherSwitch NM and 36-port EtherSwitch HDSM
• Support for all major WAN protocols and media: LL, FR, ISDN, X.25, ATM, fractional T1/E1, T1/E1, xDSL, T3/E3, HSSI
• Support for selected NMs, WICs and AIMs from the Cisco 1700, 2600 and 3600 Series 2 RU (Cisco 3725) or 3 RU (Cisco 3745) Rack-mountable chassis