crw-rw-rw-
1 root
wheel
19,
6 Dec
9 16:25 /dev/tty.usbmodem1411
crw-rw-rw-
1 root
wheel
19,
7 Dec
9 16:25 /dev/cu.usbmodem1411DT-macbook:dev user$
Step 4
Connect to the USB port with the following command followed by the router USB port speed:
Example:
macbook:user$ screen /dev/tty.usbmodem1411 9600
To disconnect the OS X USB console from the terminal window, enter Ctrl-a followed by Ctrl-\
Connecting to the Console Port Using Linux
This procedure shows how to connect a Linux system USB port to the console using the built-in Linux terminal
utility.
Step 1
Open the Linux terminal window.
Step 2
Connect the Linux USB port to the router.
Step 3
Enter the following commands to find the Linux USB port number:
Example:
root@usb-suse# cd /dev
root@usb-suse /dev# ls -ltr *ACM*
crw-r--r--
1 root
root
188,
0 Jan 14 18:02 ttyACM0
root@usb-suse /dev#
Step 4
Connect to the USB port with the following command, followed by the router USB port speed:
Example:
root@usb-suse /dev# screen /dev/ttyACM0 9600
To disconnect the Linux USB console from the terminal window, enter Ctrl-a followed by : then quit
Installing the Cisco USB Device Driver
A USB device driver must be installed the first time a Microsoft Windows-based PC is connected to the USB
serial port on the router.
This procedure describes how to install the Microsoft Windows USB device driver in Microsoft Windows
XP / Windows Vista / Windows 2000 / Windows 7 / Windows 8. Download the driver for your router model
from the Tools and Resources Download Software site,
category.
To Download the driver, you must have a valid service contract associated to your Cisco.com profile.
Note
Step 1
Unzip the file asr-9xx_usbconsole_drivers.zip.
Cisco ASR-920-12SZ-A and Cisco ASR-920-12SZ-D Aggregation Services Router Hardware Installation Guide
52
Install the Router
Connecting to the Console Port Using Linux
