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 VWIC1) slots 0
and 1—slot 0 (Right), slot 1 (Left), or
double wide2345
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)
3RJ-45 serial console port 4AUX port
5GE 0/1 6GE 0/0
7S (Speed) 8L (Link)
9USB port—USB 2.0 Type-A port 10 KensingtonTM security slot
11 PoE6
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
SL
CONSOLE
AUX
GE 0/0
GE 0/1
POE
FLASH
Cisco 1921
RESET
EHWIC 1 EHWIC 0
SL
BAUD
53VDC 1.5A 100-240 V~ 50-60 Hz 1A
253708
410 12
1
15
35 6 911 13
161718
214
78