{"id":1481,"date":"2009-04-20T23:29:26","date_gmt":"2009-04-21T04:29:26","guid":{"rendered":"http:\/\/nuxx.net\/blog\/?p=1481"},"modified":"2009-04-20T23:29:26","modified_gmt":"2009-04-21T04:29:26","slug":"netoptics-passive-10100-ethernet-port-aggregator-tap-disassembly","status":"publish","type":"post","link":"https:\/\/nuxx.net\/blog\/2009\/04\/20\/netoptics-passive-10100-ethernet-port-aggregator-tap-disassembly\/","title":{"rendered":"NetOptics Passive 10\/100 Ethernet Port Aggregator Tap Disassembly"},"content":{"rendered":"<p><center><\/p>\n<table cellpadding=1>\n<tr>\n<td bgcolor=\"black\"><a href=\"https:\/\/nuxx.net\/gallery\/v\/acquired_stuff\/netoptics_port_aggregator_tap\/IMG_3472.jpg.html?g2_imageViewsIndex=2\"><img decoding=\"async\" src=\"https:\/\/nuxx.net\/gallery\/d\/82377-2\/IMG_3472.jpg\" height=427 width=640 border=0 alt=\"Top\/front view of the NetOptics Passive 10\/100 Port Aggregator Tap.\"><\/a><\/td>\n<\/tr>\n<\/table>\n<p><\/center><\/p>\n<p>Today I received a rather nifty device, an older-model <a href=\"http:\/\/www.netoptics.com\/products\/product_family_details.asp?cid=4&#038;pid=115&#038;Section=products&#038;menuitem=4&#038;tag=NetOptics+aggregation+Taps\">Passive 10\/100 Ethernet Port Aggregator Tap (PA-CU)<\/a> from <a href=\"http:\/\/www.netoptics.com\">NetOptics<\/a>. This device allows one to monitor both halves of a full-duplex 10\/100 network connection at once, with only one capture device, which is rather nifty.<\/p>\n<p>It was delivered quite early this morning by FedEx, and upon opening the box I saw that it was practically new, with the power supply shipping bags still sealed. There was no documentation, but this was <a href=\"http:\/\/www.netoptics.com\/pdf\/installation_guide\/PUBPACUARU.pdf\">easy enough to find online<\/a>, and only consists of jumpers <a href=\"https:\/\/nuxx.net\/gallery\/v\/acquired_stuff\/netoptics_port_aggregator_tap\/IMG_3473.jpg.html\">whose settings are silkscreened on the top of the enclosure<\/a>.<\/p>\n<p>After trying it out today I decided that it would be good to open it up and see what is inside. As <a href=\"https:\/\/nuxx.net\/gallery\/v\/acquired_stuff\/netoptics_port_aggregator_tap\/IMG_3479.jpg.html\">this photo shows<\/a> it is basically their <a href=\"www.netoptics.com\/pdf\/datasheet\/PUBPACUPCID.pdf\">older PCI aggretator tap<\/a> repackaged into a rather nice metal housing. This board contains a FPGA, a bunch of SRAM, a PIC, and some currently unidentified (but well heatsinked) processors.<\/p>\n<p>If you&#8217;d like to see more photos of the inside of the tap, they are all available here: <a href=\"https:\/\/nuxx.net\/gallery\/v\/acquired_stuff\/netoptics_port_aggregator_tap\/\">NetOptics Passive 10\/100 Ethernet Port Aggregator Tap<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Today I received a rather nifty device, an older-model Passive 10\/100 Ethernet Port Aggregator Tap (PA-CU) from NetOptics. This device allows one to monitor both&#8230;<\/p>\n<div class=\"more-link-wrapper\"><a class=\"more-link\" href=\"https:\/\/nuxx.net\/blog\/2009\/04\/20\/netoptics-passive-10100-ethernet-port-aggregator-tap-disassembly\/\">Continue reading<span class=\"screen-reader-text\">NetOptics Passive 10\/100 Ethernet Port Aggregator Tap Disassembly<\/span><\/a><\/div>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,13],"tags":[],"class_list":["post-1481","post","type-post","status-publish","format-standard","hentry","category-acquired-things","category-computers","entry"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/posts\/1481","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/comments?post=1481"}],"version-history":[{"count":2,"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/posts\/1481\/revisions"}],"predecessor-version":[{"id":1483,"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/posts\/1481\/revisions\/1483"}],"wp:attachment":[{"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/media?parent=1481"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/categories?post=1481"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/tags?post=1481"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}