{"id":166922,"date":"2026-09-10T09:56:19","date_gmt":"2026-09-10T09:56:19","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/dwdm-sfp-5979-cisco-1000base-dwdm-sfp-transceiver\/"},"modified":"2026-09-10T09:56:29","modified_gmt":"2026-09-10T09:56:29","slug":"dwdm-sfp-5979-cisco-1000base-dwdm-sfp-transceiver","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/dwdm-sfp-5979-cisco-1000base-dwdm-sfp-transceiver\/","title":{"rendered":"DWDM-SFP-5979 Cisco 1000BASE-DWDM SFP Transceiver"},"content":{"rendered":"<p>DWDM-SFP-5979 Technical Specifications<\/p>\n<p>Cisco 1000BASE-DWDM SFP Transceiver<\/p>\n<p>Features<\/p>\n<p>Functionally identical to Cisco DWDM-SFP-5979<\/p>\n<p>Product Line Cisco Transceiver<\/p>\n<p>Support up to 1.25Gb\/s data links<\/p>\n<p>Up to 80km on 9\/125\u00b5m G.652D single mode fiber<\/p>\n<p>100GHz ITU Grid, C Band<\/p>\n<p>Support Digital optical monitoring function for enhanced diagnostics and troubleshooting<\/p>\n<p>Use with DWDM MUX\/DEMUX, combined DWDM fiber solution<\/p>\n<p>Reduce cost of leasing or laying fiber 1000BASE<\/p>\n<p>Specification<\/p>\n<p>Form Factor DWDM SFP Data Rate 1.25 Gb\/s<\/p>\n<p>Wavelength CH22 \u2013 1559.79nm Fiber Type SMF<\/p>\n<p>Fiber Mode Supported Single-mode fiber (SMF)<\/p>\n<p>Max Distance 80 km<\/p>\n<p>SFP<\/p>\n<p>Optical Components<\/p>\n<p>DWDM DFB\/PIN<\/p>\n<p>Transmitter Power 0 ~ 5 dBm Extinction ratio > 9 dB<\/p>\n<p>Receiver Sensitivity < -26 dBm Receiver Overload > 0 dBm<\/p>\n<p>Connector Duplex LC Digital Diagnostic Monitoring Yes<\/p>\n<p>Environment Operating:<\/p>\n<p>0\u00b0C to 70\u00b0C<\/p>\n<p>Storage: -40\u00b0C to 85\u00b0C Weight 0.025 kg<\/p>\n<p>Application C Band DWDM networks<\/p>\n<p>Fiber channel over DWDM<\/p>\n<p>Gigabit Ethernet over DWDM Compliance IEC\/EN 61000-4-2, IEC-60825<\/p>\n<p>FDA 21CFR 1040.10 and 1040.11<\/p>\n<p>RoHS<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DWDM-SFP-5979 Overview<\/p>\n<p>1000BASE-DWDM SFP Transceiver (100Ghz, 1559.79nm, 80km, LC, DOM) for use with Cisco Ethernet Switches and Routers<\/p>\n","protected":false},"featured_media":166923,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[255],"product_cat":[289,288],"product_tag":[292,463,419,293,412,413,296],"class_list":["post-166922","product","type-product","status-publish","has-post-thumbnail","product_brand-cisco","product_cat-cisco-transceivers","product_cat-transceivers","product_tag-cisco-transceiver","product_tag-dwdm-transceivers","product_tag-gigabit-ethernet-transceiver","product_tag-lc-duplex-connector","product_tag-sfp-transceiver","product_tag-smf-connectivity","product_tag-transceiver","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - 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