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Tom Randstrom
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About Tom Randstrom
05-25-2022
Tom Randstrom
Rising star
Awards
1
Cisco Designated VIPs
2011 Optical Networking
Recent Badges
Awards
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Member since
01-10-2007
763
Posts
664
Helpful
120
Solutions
Latest Contributions by Tom Randstrom
Latest Contributions by Tom Randstrom
Discussions Tom Randstrom has Participated In
TKBs Tom Randstrom has Participated In
Blogs Tom Randstrom has Participated In
Events Tom Randstrom has Participated In
Videos Tom Randstrom has Participated In
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Re: Cisco 9300 SFPs
Created by
Tom Randstrom
in
Optics and Optical Networking
05-05-2022
05-05-2022
Leo,It's a team answering questions. We're all here to help!
Re: Cisco 9300 SFPs
Created by
Tom Randstrom
in
Optics and Optical Networking
05-05-2022
05-05-2022
Optical transceivers do not negotiate the link speed, so the transceivers need to be the same speed.
Re: B2B Spine Multi-POD Links Not Working with 400Gb SMF
Created by
Tom Randstrom
in
Optics and Optical Networking
05-03-2022
05-03-2022
Do you have multimode for single-mode fiber between the transceivers?
Re: Broken plastic connector on line card - NCS2K-FSSMR-2-Lic
Created by
Tom Randstrom
in
Optics and Optical Networking
03-25-2022
03-25-2022
If you have any 15454 line cards that are non-functional, you might be able to harvest a tab from on...
Re: QDD-2X100-SR4-S
Created by
Tom Randstrom
in
Optics and Optical Networking
02-23-2022
02-23-2022
400G interface is below:https://www.cisco.com/c/en/us/products/collateral/interfaces-modules/transce...
Re: Cisco 3850 - GI2/0/4 RX POWER LOW ALARM
Created by
Tom Randstrom
in
Optics and Optical Networking
02-21-2022
02-21-2022
There is quite a difference in Receive power levels (approx 9dB) between the 2 links. Is there an in...
Re: The numbers you mention are
Created by
Tom Randstrom
in
Optics and Optical Networking
02-10-2022
02-10-2022
Just based on the threshold data provide, the values are within operating range. This is only one en...
Re: Routed Optics - What is the added capability?
Created by
Tom Randstrom
in
Optics and Optical Networking
02-03-2022
02-03-2022
Have a look at the video posts on YouTube from Walid Wakim (Distinguished Engr, Cisco). You can mess...
Re: Recommendations on Fiber Optic laser safety glasses
Created by
Tom Randstrom
in
Optics and Optical Networking
01-27-2022
01-27-2022
I don't have any direct experience with this company or product, but just thought I would share. htt...
Re: Question about Cisco Switches and SFP Transceivers - MMF vs SMF
Created by
Tom Randstrom
in
Optics and Optical Networking
01-14-2022
01-14-2022
Below is the link to the transceiver compatibility tool for the module series in question: ttps://tm...
Re: Connecting Meraki switches via fiber
Created by
Tom Randstrom
in
Optics and Optical Networking
12-16-2021
12-16-2021
If you swap the transceivers between the devices, does the issue follow?
Re: Tranceiver 1 GB to 10 GB
Created by
Tom Randstrom
in
Optics and Optical Networking
12-06-2021
12-06-2021
Correct, but the switch 2960X-48FPS-L at the other end of the link doesn't support a 10Gbps interfac...
Re: SFP - Rx power high alarm
Created by
Tom Randstrom
in
Optics and Optical Networking
12-06-2021
12-06-2021
Are both ends of the same link reporting this issue? If you swap the SFP reporting this issue with a...
Re: Tranceiver 1 GB to 10 GB
Created by
Tom Randstrom
in
Optics and Optical Networking
12-06-2021
12-06-2021
Unfortunately, you are not able to directly connect a 1Gbps optical transceiver to a 10Gbps optical ...
Re: SPF-10G-SR & X2-10GB-SR not able to commnucate
Created by
Tom Randstrom
in
Optics and Optical Networking
11-16-2021
11-16-2021
The power levels shouldn't be an issue. The max transmit power is 0.5dBm and the max receive power i...
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Public Statistics
Date Registered
01-10-2007
03:37 PM
Date Last Visited
05-25-2022
12:02 AM
Total Messages Posted
763
Total Helpful Votes Received
664
Helpful Votes Given To
User
Helpful Count
Leo Laohoo
15
Marvin Rhoads
35
supoonia
5
viyuan700
15
taelon_x7
5
See all >
Helpful Votes From
User
Helpful Count
marce1000
5
Leo Laohoo
20
Mic_Jameson
5
simoesmarco8626
982
10
carlman001
5
See all >
Awards
Cisco Designated VIPs
2011 Optical Networking