Cisco ASR 903

Connecting to the Console Port using Mac OS X
This procedure describes how to connect a Mac OS X system USB port to the console using the built in OS
X Terminal utility.
Step 1
Use the Finder to go to Applications > Utilities > Terminal.
Step 2
Connect the OS X USB port to the router.
Step 3
Enter the following commands to find the OS X USB port number:
Example:
macbook:user$ cd /dev
macbook:user$ ls -ltr /dev/*usb*
crw-rw-rw- 1 root wheel 9, 66 Apr 1 16:46 tty.usbmodem1a21 DT-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.usbmodem1a21 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
Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide
47
Installing the Cisco ASR 903 Router
Connecting Console Cables