1-3
Cisco 1900 Series Hardware Installation
OL-19084-02
Chapter 1 Overview of the Router
Chassis Views
Caution
Power off the PoE before installing an EHWIC in the Cisco 1905 and Cisco 1921 ISRs.
Figure 1-2
shows the back panel of the Cisco 1905 and Cisco 1921 with ports and LEDs.
Figure 1-2
Back Panel of the Cisco 1905 and Cisco 1921 Router (1921 shown)
Figure 1-3
shows the front panel of a Cisco 1941 wireless router with antennas mounted.
Note
The Cisco 1905 comes with a permanently installed EHWIC in slot 0 (Right).
1
EHWIC (HWIC, WIC, or VWIC
1
) slots 0
and 1—slot 0 (Right), slot 1 (Left), or
double wide
2345
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.
4.
Only 1 EHWIC Gigabit Ethernet Switch can be installed in a 1905 or 1921.
5.
See
Module Support on Cisco’s Integrated Services Routers Generation 2
http://cisco.com/en/US/prod/collateral/routers/ps10538/aag_c07_563807.pdf for supported modules.
2
EN (Enable RJ-45 console)
3
RJ-45 serial console port
4
AUX port
5
GE 0/1
6
GE 0/0
7
S (Speed)
8
L (Link)
9
USB port—USB 2.0 Type-A port
10
Kensington
TM
security slot
11
PoE
6
6.
Power off the PoE before installing an EHWIC in the Cisco 1905 and Cisco 1921 ISRs.
12
Ground connector
13
On/Off switch
14
Input power connection
15
Baud reset
16
USB serial port—USB 5-pin mini USB Type-B
17
EN (Enable USB console)
18
Flash
EN
EN
S
L
CONSOLE
AUX
GE 0/0
GE 0/1
POE
FLASH
Cisco
1921
RESET
EHWIC 1
EHWIC 0
S
L
BAUD
53VDC 1.5A
100-240 V~ 50-60 Hz 1A
253708
4
10
12
1
15
3
5
6
9
11
13
16
17
18
2
14
7
8
