Chapter 1 Overview Of The Router - Cisco 2900 series Installation Manual

Chapter 1 Overview of the Routers
3. POE = power over Ethernet.
4. LED goes off if the AC power fails or is disconnected. It does not go on and off with the power switch.
Figure 1-2 Back Panel Slots and Connectors of the Cisco 2901 Router
EHWIC 3
DO NOT REMOVE DURING
CF 1
NETWORKING OPERATION
9
1
3
5
7
9
1. DW-EHWICs can fit into slot 0 and 1, and into slot 2 and 3. EHWIC slots support HWIC, VIC, and WIC.
2. USB = Universal serial bus
3. Only Advanced Capability CompactFlash (CF) purchased from Cisco operates in Cisco 2900 series and Cisco 3900 series
OL-18712-02
1
EHWIC 2
DO NOT REMOVE DURING
PVDM1
CF 0 ISM
NETWORKING OPERATION
9
1
EHWIC slots 0, 1, 2, and 3 (0, Far right)
Aux port
10/100/1000 Ethernet ports (GE0/1)
Ground
3
CompactFlash 0 and 1
ISRs. Legacy CF can impact and severely degrade performance in these routers. See the
When legacy CF is inserted, the following error message appears:
WARNING: Unsupported compact flash detected. Use of this card during normal operation
can impact and severely degrade performance of the system. Please use supported
compact flash cards only.
EHWIC 1 EHWIC 0
PVDM0
2 USB
4 RJ-45 serial console port
6
10/100/1000 Ethernet port (GE0/0)
8 USB0 and USB1 (1, Top)
Cisco 2900 Series and 3900 Series Hardware Installation Guide
3 4
2 5
S
AUX
G
E
0
/
0
GE 0/1
1
USB
EN EN 0
L
CONSOLE S
2
serial port
"Memory" section on page
Chassis Views
6
L
2901
8
7
1-22.
1-3