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Cisco 2900 Series and 3900 Series Hardware Installation Guide
OL-18712-02
Chapter 1 Overview of the Routers
Chassis Views
Figure 1-3 Back Panel LEDs of Cisco 2901 Router
Cisco 2911 Chassis
Figure 1-4— Front panel
Figure 1-5 on page 1-5— Back panel
Figure 1-6 on page 1-6 — Back panel LEDs
Figure 1-4 Front Panel of the Cisco 2911 Router
1 CompactFlash 0 and 1 (0, Right) 2 ISM
1
1. ISM = Internal Services Module
3 PVDM3 0 and 1 (0, Right) 4 EN (Enable USB console)
5 EN (Enable RJ-45 console) 6 S (Speed)
7 L (Link)
ISM
PVDM1 PVDM0
EN
EN
S
L
USB
CONSOLE
AUX
G
E
0
/
0
DO NOT REMOVE DURING
NETWORKING OPERATION
DO NOT REMOVE DURING
NETWORKING OPERATION
CF 1
CF 0
1
0
250962
4
5
6 7
1
EHWIC 3
EHWIC 2 EHWIC 1 EHWIC 0
S
L
GE 0/1
2901
3
2
1 AC OK
1
2 On/off switch
3 AC power connector 4 SYS
5 ACT 6 POE
7 RPS
2
8 PS
3
9 Optional RPS adapter (blank panel shown)
Cisco 2900 Series
SYS ACT
POE RPS
PS
250971
1
4
5
6 8
7
2 3
9
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