Cisco 1841 User Manual

7-4
Cisco 1800 Series Routers (Modular) Hardware Installation Guide
OL-5876-03
Chapter 7 Power-Up Procedures for Cisco 1800 Series Routers (Modular)
Verifying the LED Indicators on the 1841 Router
.
--- System Configuration Dialog ---
At any point you may enter a question mark '?' for help.
Use ctrl-c to abort configuration dialog at any prompt.
Default settings are in square brackets '[]'.
Would you like to enter the initial configuration dialog? [yes/no]:
Note If the rommon 1> prompt appears, your system has booted in ROM monitor mode. For
information about the ROM monitor and the bootstrap program, see the “Using the ROM
Monitor” section in Cisco 1800 Series Router Software Configuration.
Verifying the LED Indicators on the 1841 Router
Verify that you have correctly installed the router by checking the LEDs shown in Table 7-1.
Verifying the LED Indicators on the 1861 Integrated Services
Router
Verify that you have correctly installed the router by checking the LEDs shown in Figure 7-1.
Ta b l e 7- 1 L E D I n d i c a t o r s
LED Color Status
SYS PWR Green Router has successfully booted up and the software is functional. Slow,
steady blinking when system is booting or in the ROM monitor.
SYS ACT Green Blinking when packets are transmitted or received on any WAN or LAN
interface, or when monitoring system activity.
CF Blinking
green
Flash memory is busy. Do not remove the CompactFlash memory card
when this light is on.

Cisco 1841 Specifications

General

Flash memory	32 MB
Internal memory	128 MB
Product color	Black, Blue, Stainless steel
Rack capacity	1U
LED indicators	Yes
Storage temperature (T-T)	-25 - 65 °C
Operating temperature (T-T)	0 - 40 °C
Storage relative humidity (H-H)	5 - 95 %
Operating relative humidity (H-H)	10 - 85 %
Cabling technology	10/100Base-T(X)
Networking standards	-
Ethernet LAN data rates	10, 100 Mbit/s
Ethernet interface type	Fast Ethernet
USB ports quantity	1
Ethernet LAN (RJ-45) ports	2
Firewall security	Cisco IOS
Security algorithms	128-bit AES, 192-bit AES, 256-bit AES, 3DES, DES
Dual-band	No

Weight and Dimensions

Depth	274 mm
Width	343 mm
Height	47.5 mm
Weight	2800 g