Solved: what is a fiber strand? - Cisco Community
10-15-2010 05:55 AM. Yes, your definition is correct. When people speak of fiber, it is difficult to know whether they are referring to the cable or the fibers in the cable. Using the term Fiber Strands makes it pretty clear they are discussing the …
question about 'lighting' fiber strands? - Cisco Community
Oct 14, 2010 · I am new to fiber optic networks and have a question in regards to. a comment at work. At work we have multimode fiber connecting. our campuses and the gig link is getting saturated. A coworker informed me that they have 2 spare dark fiber strands available and that we can light up those 2 strands and form an etherchannel bundle to increase ...
Solved: Two pair fiber cable - Cisco Community
Aug 12, 2016 · I don't know of them in the 3750. The only "odd" uplink type they offer is 10GbaseT via the C3KX-NM-10GT module. Those use two pair of copper with Cat 6 or (preferably) 6A cabling. The newest 3850 (WS-C3850-48XS) does offer QSFP uplink module in lieu of the StackWise480 which is not available on that particular model.
Solved: Is possible to split a fiber conneciton between two …
Mar 6, 2019 · A security company spoke to the owner of our company today about implementing IP Cameras. These cameras would have their own switches in the wiring closets, but need a fiber connection back to our server room. He said that it is possible to split the fiber connection so the two seperate networks can share the fiber backbone.
4 Fiber Optic Basics Optical Fiber Construction Optical fiber is composed of several elements. The construction of a fiber optic cable consists of a core, cladding, coating buffer, strength member and outer jacket. The optic core is the light-carrying element at the center. The core is usually made up of a combination of silica and germania.
CRC errors in Fiber connection interface - Cisco Community
Mar 3, 2016 · CRC errors in Fiber connection interface. 03-03-2016 02:15 PM - edited 03-08-2019 04:49 AM. Hi All, We have 2 x SFP fiber single-mode uplinks to the Core. one pair is working perfectly , the other got thousands of 46920 input errors, 42586 CRC. and the switch's log shown %SFF8472-5-THRESHOLD_VIOLATION: Te1/1/2: Rx power low alarm; Operating ...
differences and performance in using Dual vs Singl strand fiber?
Apr 19, 2009 · IMO, Dual. Using a single strand implies some flavor of WDM, which adds another layer of complexity where it may or may not be needed (think: Keep it Simple). Using a traditional dual strand setup makes troubleshooting easier, the troubleshooting tools simpler, and probably less expensive. "Expensive" is relative; if you're out of glass, it's ...
fiber-optic link - Cisco Community
Aug 4, 2014 · Hello, I just have one little question : Is it possible to link a HP switch (pro curv 4204vl) and a Cisco switch (2960G) with a fiber-optic link ? And of course, each of them use a transceiver of the brand of its manufacturer Thanks in advance Best Regards HENRY Côme
Solved: Ethernet standard - Cisco Community
In 10BASE-F, the 10 represents a maximum throughput of 10 Mbit/s, BASE indicates its use of baseband transmission, and F indicates that it relies on medium of fiber-optic cable. The technical standard requires two strands of 62.5/125 µm multimode fiber.
Solved: Understanding TX RX light level - Cisco Community
Jan 26, 2016 · RX light level: RX dBm signal should be between -18 to -25 dBm. For example if the RX is -40 dBm that is indicating the port is not sending out any signal. One of the reasons could be because the interface is shutdown or the cable is faulty and no signal are being received on the interface.