Cisco WS-C2950-24 Hardware Installation Guide - Page 39

Chapter 1 Overview of the Routers Hardware Features Table 1-5 shows the number of internal and external slots on Cisco 2900 series and Cisco 3900 series ISRs. It also shows the number of EHWICs and SMs that are supported in the router slots at any time. Table 1-8 on page 1-22 shows memory specifications by router. Table 1-5 Cisco 2900 series and Cisco 3900 series Slots and Module Configurations Router SPE Modules and Cards SM1 EHWIC2 Internal Modules ISM3 PVDM34 - 2901 - 4 single-wide (EHWIC) 1 2 or 2 double-wide (DW-EHWIC) - 2911 1 single-wide 4 single-wide (EHWIC) 1 2 or 2 double-wide (DW-EHWIC) - 2921 1 single-wide 4 single-wide (EHWIC) 1 3 or 1 double-wide or 2 double-wide (DW-EHWIC) - 2951 2 single-wide 4 single-wide (EHWIC) 1 3 or or 2 double-wide (DW-EHWIC) 1 double-wide 2 single-wide 4 single-wide (EHWIC) 1 4 or or 2 double-wide (DW-EHWIC) 1 single-wide + 1 double-wide 3925 Services Performance Engine 100 4 single-wide 4 single-wide (EHWIC) 1 4 or or 2 double-wide (DW-EHWIC) 1 double-wide + 2 single-wide 3945 Services Performance Engine 150 2 single-wide 3 single-wide (EHWIC) 0 3 or or 1 single-wide + 1 double-wide + 1 single-wide 1double-wide 3925E Services Performance Engine 200 4 single-wide 3 single-wide (EHWIC) 0 3 or or 1 double-wide + 1 double-wide + 1 single-wide 2 single-wide 3945E Services Performance Engine 250 1. Service Module slots support the installation of legacy network modules and extended voice modules (EVMs) with an appropriate adapter. See the Hardware Installation Guide for the router. 2. EHWIC slots support HWICs, WICs and VICs. 3. AIMs are not supported. OL-18712-02 Cisco 2900 Series and 3900 Series Hardware Installation Guide 1-19