[2 days left] What’s wrong with your cloud strategy? Learn why multicloud solutions matter with Nimble Storage.Register Now

x
?
Solved

Connecting to Cisco Catalyst 2960 Console Port

Posted on 2012-03-13
7
Medium Priority
?
2,265 Views
Last Modified: 2012-03-21
I've got a switch I need to get into and troubleshoot.  On the front it says Catalyst 2960G Series.  On the back it doesn't have an RJ-45 Console connection -- It has a Serial DB-9 / DE-9 / COM / Whatever port!  I have a cable that goes Serial-to-Serial and tried different Baud Rates and other settings to no avail.  All our other switches (and all other Cisco equipment I've been on) use a Serial-to-RJ45 cable.  What is weird is that the data sheets that I could find for this series of switch only has manuals saying to use a Serial-to-RJ45 cable provided with the switch.

Does anybody have any insight into this?  Seen this before?  Do I need a special Cisco serial cable?

More about the switch: It's got 20 ports plus 4 combo ports [Ethernet or fiber].
0
Comment
Question by:netjon
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
7 Comments
 
LVL 7

Expert Comment

by:frajico
ID: 37716528
Does it have a mini-usb on the front of the switch? This is the new Console port. Just connect a PC with a USB to mini-USB cable to the switch
0
 
LVL 17

Expert Comment

by:lruiz52
ID: 37716530
thats interesting my cisco 2960's have the console port in front on right side between USB and Management Port. can you post a Pic?
0
 
LVL 7

Expert Comment

by:frajico
ID: 37716535
I think you also have to download the USB Console Software from Cisco
0
Q2 2017 - Latest Malware & Internet Attacks

WatchGuard’s Threat Lab is a group of dedicated threat researchers committed to helping you stay ahead of the bad guys by providing in-depth analysis of the top security threats to your network.  Check out our latest Quarterly Internet Security Report!

 

Accepted Solution

by:
netjon earned 0 total points
ID: 37716594
This is the only pic I have of the switch.  It's a remote location so I'd have to schedule a time to go back out there to do anything else or take any more pics.  I don't see a USB port in this image; Where would it be?  I also don't recall seeing one when I was out there.
20120313-002.jpg
0
 
LVL 14

Expert Comment

by:Otto_N
ID: 37720349
The picture is of a 2960G-24TC-L Switch (see the Hardware install guide at http://www.cisco.com/en/US/docs/switches/lan/catalyst2960/hardware/installation/guide/higover.html#wp1174601). According to the same installation guide, the console port is an RJ-45 connector at the back (also, no USB).  I've never seen anything else on these models, even the oldest ones.

If it's not a case of mistaken identity (looking at the back of a different device), and the switch really have only a DB-9 console port, your DB9-to-DB9 cable should be a Null-modem cable (pins 2->3, 3->2 and 5->5 should be sufficient), as the switch should be a DTE port (Male connector, and the same as your laptop).  Whether the concolse port is RJ-45 or DB-9, the settings should be the same - 9600 baud, 8 data bits, 1 stop bit, 0 parity and no flow control.  However, as there is no documentation on this, this is only guesswork, at best.

If you have any other detail of the switch (model number, serial number, pictures) we might be able to dig up some more information.
0
 
LVL 3

Expert Comment

by:pistanu
ID: 37729818
rj45 to db9 serial cable(cisco cable)

9600 8N1 no parity.

if you dont receive nothing in console assume that your serial connection and cable are ok, change the speed, maybe some admin before you change this.
0
 

Author Closing Comment

by:netjon
ID: 37746298
I'm an idiot; I was looking at the wrong device when I was looking in the back of the rack to determine where the switch was.
0

Featured Post

What does it mean to be "Always On"?

Is your cloud always on? With an Always On cloud you won't have to worry about downtime for maintenance or software application code updates, ensuring that your bottom line isn't affected.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Do you have a computer or other electronic gear that is attached to a rat nest of cables, or alternatively have your cables all bundled nice at neat?  If so then read this post to sidstep common pitfalls. When I was a student at DeVry University,…
Before I go to far, let's explain HA (High Availability) and why you should consider it.  High availability is the mechanism used to provide redundancy to any service at the same site and appears as a single service to the users of that service.  As…
Visualize your data even better in Access queries. Given a date and a value, this lesson shows how to compare that value with the previous value, calculate the difference, and display a circle if the value is the same, an up triangle if it increased…
Have you created a query with information for a calendar? ... and then, abra-cadabra, the calendar is done?! I am going to show you how to make that happen. Visualize your data!  ... really see it To use the code to create a calendar from a q…
Suggested Courses

656 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question