{"product_id":"jnp-mlnx-100g-dac-3m-c-juniper-to-nvidia-mellanox-dual-coded-100g-qsfp28-passive-dac-3m","title":"Juniper to NVIDIA\/Mellanox Dual-Coded 100G QSFP28 Passive DAC Cable — 3m, JNP-MLNX-100G-DAC-3M-C","description":"\u003cp\u003e\u003cstrong\u003eOne cable, two vendors — Juniper coding on the switch end, NVIDIA\/Mellanox coding on the NIC end\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eJNP-MLNX-100G-DAC-3M-C — 100G QSFP28 to QSFP28 passive DAC, Juniper \/ NVIDIA-Mellanox dual-coded, 3m\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"border-left: 3px solid #1e8f5e; background: #f7f8fa; padding: 10px 14px; margin: 14px 0;\"\u003e→ \u003cstrong\u003eBuilt for Juniper switch to ConnectX NIC.\u003c\/strong\u003e Our customers use it from a Juniper QFX5200-32C to NVIDIA ConnectX-5 and ConnectX-7 adapters. Tell us both device models and we will confirm before it ships.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e JNP-MLNX-100G-DAC-3M-C\u003cbr\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e 100G QSFP28 passive direct-attach copper cable, 4x 25G NRZ lanes, Juniper coding on end A and NVIDIA\/Mellanox coding on end B, 3 m\u003c\/p\u003e\n\u003cp\u003eA 100G QSFP28 DAC carries four 25G NRZ lanes over passive twinax. This one is dual-coded so a Juniper switch and an NVIDIA\/Mellanox ConnectX adapter each see a cable coded for them.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual-coded means each end identifies as its own vendor.\u003c\/strong\u003e The Juniper end presents Juniper coding to the switch; the other end presents coding for the device it plugs into. That avoids unsupported-transceiver errors on both sides.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhich One Do I Need?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConnecting\u003c\/th\u003e\n\u003cth\u003ePart\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eJuniper QFX to NVIDIA ConnectX, 100G, up to 3 m\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eJNP-MLNX-100G-DAC-3M-C\u003c\/strong\u003e — this listing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJuniper to Juniper, 100G, 3 m\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/jnp-100g-dac-3m-juniper-compatible-100g-qsfp28-passive-dac-cable-3m\"\u003eJNP-100G-DAC-3M Juniper compatible 100G DAC, 3 m\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJuniper to Juniper, 100G, 1 m\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/qfx-qsfp28-dac-1m-juniper-compatible-100g-qsfp28-passive-dac-cable-1m\"\u003eQFX-QSFP28-DAC-1M Juniper compatible 100G DAC, 1 m\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLonger runs over fiber\u003c\/td\u003e\n\u003ctd\u003e\n\u003ca href=\"\/products\/jnp-qsfp-100g-sr4-juniper-compatible-100g-qsfp28-sr4-transceiver-100m\"\u003eJNP-QSFP-100G-SR4 Juniper compatible 100G SR4\u003c\/a\u003e or \u003ca href=\"\/products\/jnp-qsfp-100g-lr4-juniper-compatible-100g-qsfp28-lr4-transceiver-10km\"\u003eJNP-QSFP-100G-LR4 Juniper compatible 100G LR4\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eJNP-MLNX-100G-DAC-3M-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnds\u003c\/td\u003e\n\u003ctd\u003eQSFP28 to QSFP28\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData rate\u003c\/td\u003e\n\u003ctd\u003e100 Gb\/s (4 x 25G NRZ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable type\u003c\/td\u003e\n\u003ctd\u003ePassive twinax copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e3 m (9.8 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoding\u003c\/td\u003e\n\u003ctd\u003eEnd A: Juniper · End B: NVIDIA\/Mellanox\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical use\u003c\/td\u003e\n\u003ctd\u003eJuniper QFX5200-32C to ConnectX-5 \/ ConnectX-7 at 100G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLifetime, backed by Resilient Tec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eSource: Juniper Pathfinder hardware specifications for Juniper passive DACs (\u003ca href=\"https:\/\/apps.juniper.net\/hct\/model\/JNP-100G-DAC-3M\/hwspecs\" target=\"_blank\" rel=\"noopener\"\u003eJNP-100G-DAC-3M\u003c\/a\u003e, \u003ca href=\"https:\/\/apps.juniper.net\/hct\/model\/QFX-SFP-DAC-3M\/hwspecs\" target=\"_blank\" rel=\"noopener\"\u003eQFX-SFP-DAC-3M\u003c\/a\u003e). Coding and end-to-end testing by Resilient Tec.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eGood to Know\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrientation matters.\u003c\/strong\u003e The Juniper-coded end goes in the Juniper switch. Ends are labeled.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQSFP112 ports.\u003c\/strong\u003e Some ConnectX-7 adapters have QSFP112 cages, which accept QSFP28 cables at 100G. Confirm the port speed setting on the adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFEC must match.\u003c\/strong\u003e At 100G, both ends need the same FEC mode (usually RS-FEC). A mismatch is the most common cause of no link.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eQuick Checklist — Is This the Right Cable?\u003c\/h2\u003e\n\u003cp\u003eYou are linking a Juniper switch to an NVIDIA\/Mellanox ConnectX adapter at 100G. The two ports are within 3 m. You want one cable that both ends accept without unsupported-optic warnings.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAvailability\u003c\/h2\u003e\n\u003cp style=\"border-left: 3px solid #1e8f5e; background: #f7f8fa; padding: 10px 14px; margin: 14px 0;\"\u003e\u003cstrong\u003eNew, coded and tested · Ships from Resilient Tec in Knoxville, TN · Free standard shipping on US orders.\u003c\/strong\u003e\u003cbr\u003eWe confirm stock and lead time with you before an order ships. Need a different length, or different coding on each end? We build dual-coded cables to order. \u003ca href=\"\/pages\/request-a-quote\"\u003e\u003cstrong\u003eRequest a quote →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e lifetime, \u003ca href=\"\/pages\/lifetime-warranty\"\u003ebacked by Resilient Tec\u003c\/a\u003e — not a manufacturer term. When something fails you reach a named seller in the US, not a ticket queue.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eYou Might Also Need\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/jnp-100g-dac-3m-juniper-compatible-100g-qsfp28-passive-dac-cable-3m\"\u003eJNP-100G-DAC-3M Juniper compatible 100G DAC, 3 m\u003c\/a\u003e — Juniper to Juniper\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/jnp-qsfp-100g-sr4-juniper-compatible-100g-qsfp28-sr4-transceiver-100m\"\u003eJNP-QSFP-100G-SR4 Juniper compatible 100G SR4\u003c\/a\u003e — over multimode fiber\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/mellanox-nvidia-compatible-cables-transceivers-guide\"\u003eNVIDIA\/Mellanox compatible cables\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eRelated Guides\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"\/blogs\/news\/custom-double-programmed-dac-and-aoc-solutions-from-resilient-tec-connect-any-hardware-any-way-you-need\"\u003eCustom Dual-Coded DAC and AOC Builds from Resilient Tec\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/blogs\/news\/dac-cable-no-link-fix-25g-100g-fec-mismatches-2026-guide\"\u003eDAC Cable No Link? Fix 25G\/100G FEC Mismatches\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/dac-cables-guide\"\u003eDAC Cables Guide\u003c\/a\u003e\u003c\/p\u003e","brand":"Resilient Tec","offers":[{"title":"Default Title","offer_id":68148499513444,"sku":"JNP-MLNX-100G-DAC-3M-C","price":175.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/3482\/4548\/files\/JNP-MLNX-100G-DAC-3M-C_1.jpg?v=1794516048","url":"https:\/\/resilient-tec.com\/products\/jnp-mlnx-100g-dac-3m-c-juniper-to-nvidia-mellanox-dual-coded-100g-qsfp28-passive-dac-3m","provider":"Resilient Tec","version":"1.0","type":"link"}