Cisco Systems 1900 Series manual Cisco

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 1-2shows 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)

1

4

2

3

5

6

9

10

11

12

13

14

EHWIC 1

EHWIC 0

GE 0/1

AUX

S

L

Cisco 1921

POE

BAUD

FLASH

EN

EN

RESET

CONSOLE

S

GE 0/0

L

53VDC

1.5A

100-240 V~ 50-60 Hz 1A

18 17 16 7 8 15

253708

	EHWIC (HWIC, WIC, or VWIC1) slots 0		EN (Enable RJ-45 console)
	and 1—slot 0 (Right), slot 1 (Left), or
1	double wide2345	2
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	KensingtonTM security slot
11	PoE6	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

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.

6.Power off the PoE before installing an EHWIC in the Cisco 1905 and Cisco 1921 ISRs.

Figure 1-3shows 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).

Cisco 1900 Series Hardware Installation

OL-19084-02 1-3