Optical Networking

Find helpful answers and advice to your optical networking design, configuration, and troubleshooting questions from experts in the Cisco Support Community forum, including  Digital Optical Monitoring (DOM), SFP, DWDM

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What are the thresholds for "Receive Optical Power" of 10GB SFP+ Cisco SFP+ LRM modules?This document says the maximum is 0.5 dBm and the minimum i...
1 week 22 hours ago
Hello, We are using a ITP(Cisco7613) ver)12.2(33)IRH1 router and from 12.2(33)IRB there was a new feature regarding toCRD(Circular Routing Detectio...
1 month 4 days ago
Greetings to all,I am not experienced in fibre optics.I wish to connect (single mode) fibre optic cable to Fibre optic switch ( DIN-rail mounted) d...
1 month 1 week ago
Does anyone have any experience creating Multi-Card, EtherSwitch Circuits in the ONS-15454?  We are running software 9.1.0 and TCC2 cards.We want t...
1 month 3 weeks ago
J'ai besoin de justification de compatibilté de module optique Cisco QSFP-40G-LR4-S avec Switch Huawei CE6850-48S4Q-E
2 months 1 day ago
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discussion CTC Virtual Lab & advice upgrade
Last Reply 4 days 9 hours ago.
19 0 0 1 supoonia
discussion DOM with ASR 10 Gbps Interface
Last Reply 4 days 13 hours ago.
4992 1 4.6 11 Bart Smit
discussion cisco WS-C4500X-16 transceiver datail don´t show up???
Last Reply 6 days 20 hours ago.
31 0 0 1 anup.vicky4u
discussion SFP+ transciever optical power too high?
Last Reply 1 week 19 hours ago.
20 0 0 0 Oleg Borodich
discussion replacement air filter for 15454-M6-AC
Last Reply 1 week 2 days ago.
17 0 5 3 Tom Randstrom
discussion Are these correct SFPs for EHWIC-1GE-SFP-CU?
Last Reply 1 week 5 days ago.
27 0 5 3 Marvin Rhoads
discussion Abnormal Current values for a SFP 10Gbase-LR module on a Nexus 5548 switch
Last Reply 1 week 5 days ago.
6 0 0 1 Marvin Rhoads
discussion Difference between the "SFP-10G-SR-S" and "SFP-10G-SR".
Last Reply 2 weeks 16 hours ago.
16 0 5 1 Marvin Rhoads
discussion GLC-LH-SM compatibility with Fujitsu FC9681EGX1-I04 Ethernet card in Flashwave 4100 mux
Last Reply 2 weeks 3 days ago.
16 0 0 3 kvescovi
discussion Pre-Upgrade check failed. Insufficient free space in /var/tmp. Less than required 90%
Last Reply 2 weeks 5 days ago.
47 0 0 1 rosaho
discussion can the SFP-10G-SR down-support connect to SFP 1000BASE-SX ?
Last Reply 2 weeks 6 days ago.
17032 0 5 26 Marvin Rhoads
discussion SFP
Last Reply 3 weeks 16 hours ago.
17 0 5 3 Marvin Rhoads
discussion multimode 1g sfp with sc-lc multimode patch cord supports single mode LIU
Last Reply 3 weeks 1 day ago.
23 0 0 1 Tom Randstrom
discussion power low alarm on c3750x stack switch
Last Reply 4 weeks 12 hours ago.
87 0 0 7 rosaho
discussion CTC fails to launch with IE9
Last Reply 4 weeks 12 hours ago.
24 0 0 1 rosaho
discussion On Cisco7600 CRD doesn't works
Last Reply 1 month 4 days ago.
18 0 0 0 tjqhgus1123
discussion Can I connect Fibre optic cable directly to FO switch without patch panel and patch cords
Last Reply 1 month 1 week ago.
26 0 0 0 sachin.patke1
discussion Incoming Payload Signal Absent alarm on 10gb DWDM setup
Last Reply 1 month 2 weeks ago.
51 0 0 2 Josh Potter
discussion 6500 with SUP 720-10G + X6724SFP support DWDM?
Last Reply 1 month 2 weeks ago.
14 0 0 1 Tom Randstrom
discussion 4900M issues Twin gig problems
Last Reply 1 month 3 weeks ago.
14 0 0 3 Marvin Rhoads
discussion ONS-15454 Multi-Card EtherSwitch Circuits
Last Reply 1 month 3 weeks ago.
13 0 0 0 curt.ritter
discussion Compatibilité
Last Reply 2 months 1 day ago.
15 0 5 1 Leo Laohoo
discussion Compatibilité
Last Reply 2 months 1 day ago.
15 0 0 0 sami.hachicha1
discussion Link Fail Alarm - SFP Ports
Last Reply 2 months 5 days ago.
126 1 0 2 Darshana Diyagama
discussion How to do short distance connections by 15454 DWDM local test?
Last Reply 2 months 6 days ago.
20 0 0 0 Yiyang Sun
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Digital Optical Monitoring - DOM
Last Reply 1 month 2 weeks ago.
31222
5.0
2 pnagpal
Transceivers Information
Last Reply 1 year 6 months ago.
6953
5.0
7 Tom Randstrom
Basic Configurations on GE_XPE cards.docx
Last Reply 2 years 1 month ago.
237
5.0
1 supoonia
ML load balance after 5.doc
Last Reply 4 years 2 months ago.
578
0.0
0 scnoyes
teswt
Last Reply 4 years 7 months ago.
15
0.0
0 Monica Lluis-Arroyo
Question About Fiber Types and CISCO
Last Reply 5 years 6 months ago.
1778
0.0
4 DrMarshall
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