Chapter 1
Overview of the Router
Figure
Figure 1-1
1
SYS
3
PoE
1.Power over Ethernet (PoE) is available with optional external PoE power supply.
2. Power off the PoE before installing an EHWIC in the Cisco 1905 and Cisco 1921 ISRs.
Caution
Power off the PoE before installing an EHWIC in the Cisco 1905 and Cisco 1921 ISRs.
Figure 1-2
Figure 1-2
EHWIC (HWIC, WIC, or VWIC
and 1—slot 0 (Right), slot 1 (Left), or
1
double wide
3
RJ-45 serial console port
5
GE 0/1
7
S (Speed)
9
USB port—USB 2.0 Type-A port
11 PoE
13
On/Off switch
15 Baud reset
17 EN (Enable USB console)
1. VWIC support is for data only.
2. Double-wide slot on the 1921 only.
3. The 1905 slot 0 (Right) comes with a permanently installed interface card. Only slot 1 (Left) is available.
OL-19084-02
1-1shows the front panel of the Cisco 1905 and Cisco 1921 router and LED names.
Front Panel of the Cisco 1905, and Cisco 1921 Router
12
shows the back panel of the Cisco 1905 and Cisco 1921 with ports and LEDs.
Back Panel of the Cisco 1905 and Cisco 1921 Router (1921 shown)
1
EHWIC 1
FLASH
18
2345
6
2
ACT
2
3
4
5
6
EHWIC 0
AUX
GE 0/1
S
L
EN
EN
S
L
CONSOLE
GE 0/0
17
16
7
8
1
) slots 0
EN (Enable RJ-45 console)
2
4
AUX port
6
GE 0/0
8
L (Link)
10 Kensington
12
Ground connector
14
Input power connection
16 USB serial port—USB 5-pin mini USB Type-B
18 Flash
Cisco 1900 Series Hardware Installation
Chassis Views
9
10
11
13
12
POE
BAUD
RESET
53VDC
1.5A
100-240 V~ 50-60 Hz 1A
15
TM
security slot
14
Cisco 1921
1-3