{"id":8876,"date":"2024-09-18T15:18:27","date_gmt":"2024-09-18T07:18:27","guid":{"rendered":"https:\/\/www.premlink.net\/?post_type=product&p=8876"},"modified":"2026-03-25T22:10:51","modified_gmt":"2026-03-25T14:10:51","slug":"noeud-passif","status":"publish","type":"product","link":"https:\/\/www.premlink.net\/fr\/product\/passive-node\/","title":{"rendered":"N\u0153ud passif WDM PL190A-3S (passage GPON)"},"content":{"rendered":"

Product Overview<\/h2>\n

PL190A-3S WDM passive node can be installed to STB or TV set directly and it is power-free that does not need no any powering. PL190A-3S WDM passive node has two optical connectors. One is connecting to the incmoing fiber for mixed signals, the other one is connecting to GPON ONU \/ONT for Internet \/\u00a0 data service.
\nPL190A-3S WDM passive node is a very simple and cost-effective passive optical receiver.<\/p>\n

Specifications<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Item<\/b><\/strong><\/td>\nParameter<\/b><\/strong><\/td>\nRemark<\/b><\/strong><\/td>\n<\/tr>\n
Optical Parameter<\/b><\/strong><\/td>\n<\/tr>\n
Optical Wavelength<\/td>\n1290 to 1600nm<\/td>\n<\/td>\n<\/tr>\n
Input Optical Power<\/td>\n0 to -15dBm<\/td>\nDigital TV<\/td>\n<\/tr>\n
Optical Return Loss<\/td>\n\u2265 45dB<\/td>\n<\/td>\n<\/tr>\n
Optical Fiber Type<\/td>\nSingle Mode<\/td>\n<\/td>\n<\/tr>\n
PD Type<\/td>\nReceptacle<\/td>\n<\/td>\n<\/tr>\n
Optical Connectors<\/td>\nSC\/ APC<\/td>\n<\/td>\n<\/tr>\n
PON Insertion Loss<\/td>\n\u22641dB<\/td>\n1310nm\/1490nm<\/td>\n<\/tr>\n
RF Parameter<\/b><\/strong><\/td>\n<\/tr>\n
Frequency Range<\/td>\n40 -1002MHz<\/td>\n<\/td>\n<\/tr>\n
Flatness<\/td>\n+\/- 3dB<\/td>\nTypical value<\/td>\n<\/tr>\n
Output Level<\/td>\n\u2265 60dBuV (one port, Typical)<\/p>\n

\u226556dBuV \u00a0( 2 port)<\/td>\n

0dBm input power\u00a0@OMI=3.5%<\/td>\n<\/tr>\n
CTB<\/td>\ndBc<\/td>\n\u226560\u00a0@-3dBm optical input power<\/td>\n<\/tr>\n
CSO<\/td>\ndBc<\/td>\n\u226560 @-3dBm optical input power<\/td>\n<\/tr>\n
CNR<\/td>\n\u2265 46dB (Typical)<\/td>\n@OMI=3.5%, -5 dBm input power<\/td>\n<\/tr>\n
Output Impedance<\/td>\n75\u03a9<\/td>\n<\/td>\n<\/tr>\n
RF Connector<\/td>\nF-type (D style), Female<\/td>\n<\/td>\n<\/tr>\n
General Parameter<\/b><\/strong><\/td>\n<\/tr>\n
Power Required<\/td>\nno need<\/td>\n<\/td>\n<\/tr>\n
Operating temperature range<\/td>\n-40 to +85\u2103<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

PL190A-3S: Ultra-Simple Passive Node for GPON Triple-Play<\/h2>\n

The definitive power-free optical receiver designed for direct TV or Set-Top Box connection in fiber-to-the-home networks.<\/p>\n

    \n
  • Zero-Power Operation:<\/strong> This passive node<\/strong> requires absolutely no external power supply, utilizing energy-harvesting technology from the 1550nm optical carrier for eco-friendly performance.<\/li>\n
  • Direct STB Integration:<\/strong> Designed for rapid deployment, the PL190A-3S<\/strong> can be connected directly to the tuner of a Set-Top Box or TV set, simplifying the “last-meter” installation.<\/li>\n
  • FWDM Filter:<\/strong> Features two dedicated optical connectors\u2014one for the incoming mixed fiber signal and a PON Pass port<\/strong> for seamless GPON ONU\/ONT connectivity.<\/li>\n
  • RF Output:<\/strong> Delivers a reliable output level of \u226560dB\u00b5V<\/strong> (at 0dBm input), ensuring stable reception for digital TV and high-definition broadcasting.<\/li>\n
  • High Reliability:<\/strong> Housed in a compact, durable PVC casing with an extreme operating temperature range of -40 to +85\u2103<\/strong>, built for long-term indoor stability.<\/li>\n<\/ul>\n<\/div>\n
    \n

    Technical FAQ: PL190A-3S FTTH Passive Node<\/h2>\n
    \n

    Q1: What makes a “passive node” better than an active receiver in FTTH network?<\/h3>\n

    A:<\/strong> The primary benefit of a passive node<\/strong> is its independence from the household power grid. It eliminates the need for power adapters and electrical outlets near the fiber entry point, reducing potential points of failure and simplifying troubleshooting for both technicians and end-users.<\/p>\n<\/div>\n

    \n

    Q2: How does the PON Pass port ensure data integrity?<\/h3>\n

    A:<\/strong> The internal FWDM component in the PL190A-3S<\/strong> provides a dedicated path for 1310\/1490nm data signals with ultra-low insertion loss (\u22641dB). This ensures that your high-speed broadband and VoIP services remain at peak performance while the 1550nm CATV signal is efficiently extracted.<\/p>\n<\/div>\n

    \n

    Q3: Can this node handle digital and analog signals simultaneously?<\/h3>\n

    A:<\/strong> Yes. With its 40-1002MHz frequency range and high-sensitivity PIN diode, the passive node<\/strong> is fully compatible with Digital TV (QAM), HDTV, and traditional analog signals, making it a versatile tool for any RF overlay architecture.<\/p>\n<\/div>\n<\/div>\n