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Questions tagged [optics]

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For questions relating to fiber-optic connectors and transceivers.

43 questions
Newest Active Bountied Unanswered
4 votes
3 answers
664 views

We are coordinating an outdoor event for a student contact with the International Space Station via ARISS. We will need internet for video streaming, and the nearest building with internet is 500 ...
KJ7LNW's user avatar
  • 211
0 votes
1 answer
61 views

I am building a testbed in the lab which at its core has an optical switch. The input and output from this switch are MTP ports. I am looking for the simplest/cheapest way to test that the optical ...
epsilon's user avatar
  • 3
0 votes
2 answers
441 views

SFP modules convert electrical data from the equipment to optical signals. There is no incoming power surging from an optical port to damage the equipment according to my undarstanding of fibre optics....
SandShriner's user avatar
  • 3
0 votes
1 answer
53 views

In what way can GMPLS do that unification of signalization of network technologies, by hardware, like MPLS switches, or by network protocols? And what is the role of optical networks in GMPLS? Are ...
Vladimir Pejanovic's user avatar
  • 41
0 votes
1 answer
95 views

I am learning for CCNA. The textbook says that a switch port costs more for single-mode optic fiber than for multi-mode fiber. I guessed this is because the light source in the interface component ...
Taro's user avatar
  • 125
1 vote
1 answer
310 views

My ISP is offering 25GBit Fiber soon and I am looking into the required hardware. One of the devices I will need to purchase is a new transceiver that can handle the speeds. The one my ISP recommends ...
comfreak's user avatar
  • 147
0 votes
1 answer
2k views

Is that possible to use duplex SFP which will send and receive signals over only one fiber in backbone? Please refer to the picture. If so, then how the termination of patchcords and backbone's fiber ...
A M's user avatar
  • 3
6 votes
1 answer
366 views

In fiber optic networks, I understand CWDM technology can multiplex multiple optical signals onto a pair of fibers (or a single one). But can a single pair of CWDM transceivers be connected directly ...
Duvrai's user avatar
  • 173
-3 votes
1 answer
120 views

**My understanding of SFP functionality. ** SFP is an “interface” between 2 parts of a device. SFP is a transceiver There are input and output, electrical to optical or optical to electrical. SFP ...
Noel Miller's user avatar
  • 1
0 votes
0 answers
61 views

I am analyzing some documents from the city containing comments about underground network equipment installation. One of the comments that appear a lot is "MH ACCESS - ROD ROPE AND PLACE IPP"...
user1743182's user avatar
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2 votes
2 answers
1k views

This picture is a part of the Intel E10GSFPLR (SFP+, Long Reach) datasheet. Can I use them in a short link (less than 1 meter) without any attenuator? Which numbers are important in this datasheet to ...
A.A's user avatar
  • 671
2 votes
1 answer
4k views

Does anyone know what's the difference between LR1 and LR4 optics?
Rakesh Nittur's user avatar
  • 581
0 votes
1 answer
67 views

I understand that higher-speed optical links require a stronger signal. For example, 16 Gbps Fibre Channel transceivers have to transmit at -1.3 dBm and receive at -10.3 dBm. If it falls below that, ...
user1177071's user avatar
  • 57
2 votes
0 answers
2k views

We have been facing an issue on Juniper MX series router. We have 10G interface on our router. Its does not matter whether interface is connected to DWDM or interface itself is a dark fiber. The end ...
Nabeel's user avatar
  • 1,182
2 votes
1 answer
427 views

I have read a lot of information online but I am still not sure when do we exactly configure FEC and what are the advantages/disadvantages of configuring it. Does DAC transceivers always need FEC to ...
Rakesh Nittur's user avatar
  • 581

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