Built-In Interface Ports; Hardware Features - Cisco 2900 Series Installation Manual

Chapter 1 Overview of the Routers

Hardware Features

This section describes the hardware features in Cisco 2900 series and Cisco 3900 series routers.
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Built-in Interface Ports

Table 1-4
Table 1-4 Summary of Cisco 2900 series and Cisco 3900 series Built-In Interfaces
Router
Model
Cisco 2901
Cisco 2911
Cisco 2921
Cisco 2951
Cisco 3925 with SPE 100
Cisco 3945 with SPE 150
Cisco 3925E with SPE 200 4
Cisco 3945E with SPE 250 4
1. One RJ-45 with 2 GE SFPs, or 3 RJ-45 GEs
2. One RJ-45 with 2 GE SFPs, or 3 RJ-45 GEs
3. Four RJ-45 or three RJ-45 with one GE-SFP, or two RJ-45 with two GE SFP
4. Four RJ-45 or three RJ-45 with one GE-SFP, or two RJ-45 with two GE SFP
Gigabit Ethernet Ports
There are two different types of Gigabit Ethernet (GE) ports available on Cisco 2900 series and Cisco
3900 series ISRs.
Built-in Interface Ports, page 1-17
Removable and Interchangeable Modules and Cards, page 1-18
Packet Voice Data Modules, page 1-22
Power Supplies, page 1-24
Module and Router Power Consumption, page 1-25
Fans, Ventilation, and Airflow, page 1-26
Real-Time Clock, page 1-28
Secure Key, page 1-28
Cryptographic Accelerator, page 1-28
summarizes the interface ports built into the router chassis.
Data Ports
10/100/1000 10/100/1000
GE RJ-45 SFP
2 -
3 -
3 1
3 1
1
3 2
2
3 2
3
2
4
2
Console Serial,
USB Type A RJ-45
2 1
2 1
2 1
2 1
2 1
2 1
2 1
2 1
Cisco 2900 Series and 3900 Series Hardware Installation Guide
Hardware Features
Management Ports
Console Serial,
Mini-USB Auxiliary,
(Type B) RJ-45
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1-17