{"id":2329,"date":"2023-02-08T14:12:49","date_gmt":"2023-02-08T06:12:49","guid":{"rendered":"https:\/\/www.premlink.net\/?post_type=product&p=2329"},"modified":"2026-03-25T13:18:58","modified_gmt":"2026-03-25T05:18:58","slug":"%d0%bd%d0%b0%d1%80%d1%83%d0%b6%d0%bd%d1%8b%d0%b9-%d0%be%d0%bf%d1%82%d0%b8%d1%87%d0%b5%d1%81%d0%ba%d0%b8%d0%b9-%d1%83%d0%b7%d0%b5%d0%bb-pl780a","status":"publish","type":"product","link":"https:\/\/www.premlink.net\/ru\/product\/pl780a-outdoor-optical-node\/","title":{"rendered":"\u041e\u0442\u043a\u0440\u044b\u0442\u044b\u0439 \u043e\u043f\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0437\u0435\u043b PL780A"},"content":{"rendered":"

Product Overview<\/h2>\n

PL780A outdoor optical node is a very cost effective optical receiver for FTTB network. It\u00a0is a high-performance, two output ports, and one-way\u00a0optical node with output levels of more than 100dBuV\u00a0and performance up to 1002MHz.PL780A Outdoor optical node\u00a0comes in a weatherproof aluminum housing\u00a0that is ideal for outdoor strand installation. It is specifically built to function in a wide temperature range and uses conventional CATV 60 VAC or 200VAC power.<\/p>\n

Block Diagram<\/b><\/strong><\/h2>\n

\"Outdoor<\/p>\n

Specifications<\/b><\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/b><\/strong><\/td>\nUnit<\/b><\/strong><\/td>\nValue<\/b><\/strong><\/td>\n<\/tr>\n
Frequency Range<\/td>\nMHz<\/td>\n47 ~ 1002<\/td>\n<\/tr>\n
Flatness<\/td>\ndB<\/td>\n\u00b10.75<\/td>\n<\/tr>\n
Working Wavelength<\/td>\nnm<\/td>\n1100 ~ 1600<\/td>\n<\/tr>\n
Input Power Range<\/td>\ndBm<\/td>\n-9 ~ +2<\/td>\n<\/tr>\n
AGC<\/td>\nDb<\/td>\n-7 ~ +2<\/td>\n<\/tr>\n
AGC Characteristics<\/td>\ndB<\/td>\n\u00b11<\/td>\n<\/tr>\n
Connector Type<\/td>\n—<\/td>\nFC\/APC or SC\/APC<\/td>\n<\/tr>\n
Optical Return Loss<\/td>\ndB<\/td>\n\u226545<\/td>\n<\/tr>\n
RF Return Loss<\/td>\ndB<\/td>\n\u226516<\/td>\n<\/tr>\n
ATT Adjustable Range<\/td>\ndB<\/td>\n0 ~20<\/td>\n<\/tr>\n
EQ Adjustable Range<\/td>\ndB<\/td>\n0 ~20<\/td>\n<\/tr>\n
CNR1<\/sup><\/td>\ndB<\/td>\n\u226551<\/td>\n<\/tr>\n
CSO1<\/sup><\/td>\ndB<\/td>\n\u226563<\/td>\n<\/tr>\n
CTB1<\/sup><\/td>\ndB<\/td>\n\u226565<\/td>\n<\/tr>\n
RF Output Level<\/td>\ndB\u03bcV<\/td>\n\u2265104<\/td>\n<\/tr>\n
HUM Ratio<\/td>\ndB<\/td>\n\u226566<\/td>\n<\/tr>\n
Lightning Resistant Voltage<\/td>\nKV<\/td>\n\u22655(10\/700\u03bcs)<\/td>\n<\/tr>\n
Operating Voltage<\/td>\nV<\/td>\n130~265 or 60~90<\/td>\n<\/tr>\n
Operating Temperature<\/td>\n\u2103<\/td>\n-40~\u00a0+60<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

1. Testing condition: OMI=3.5%, optical input power @-1dBm, 98chs signal output, above 550MHz at -10dB offset.<\/p>\n

Welcome to enquiry our PL780A Outdoor Optical Node.<\/p>\n

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PL780A: Cost-Effective Outdoor Optical Node for FTTB Networks<\/h2>\n

The high-output outdoor receiver designed for reliable CATV distribution in harsh environmental conditions.<\/p>\n

    \n
  • Weatherproof Reliability:<\/strong> Encased in a heavy-duty aluminum alloy housing<\/strong>, the PL780A is engineered for strand or pedestal installation with superior heat dissipation.<\/li>\n
  • High RF Output Level:<\/strong> Delivers a robust 104dB\u00b5V output<\/strong> across two ports, ensuring strong signal delivery for building-wide coaxial distribution.<\/li>\n
  • Precision Optical AGC:<\/strong> Integrated Automatic Gain Control<\/strong> (-7 to +2dBm) maintains consistent output levels even as fiber link loss fluctuates.<\/li>\n
  • Flexible Power Options:<\/strong> Supports both 60VAC line power<\/strong> and 220VAC mains power, adaptable to different local utility standards and HFC plant designs.<\/li>\n
  • Lightning Protection:<\/strong> Built-in 5KV surge protection<\/strong> ensures the internal circuitry remains safe during electrical storms and power surges.<\/li>\n<\/ul>\n<\/div>\n
    \n

    Technical FAQ: PL780A Outdoor Optical Node<\/h2>\n
    \n

    Q1: What makes the PL780A suitable for outdoor strand installation?<\/h3>\n

    A:<\/strong> The PL780A outdoor optical node<\/strong> features a specialized weatherproof casing with an IP-rated seal and 5KV lightning resistance. It is specifically built to withstand extreme temperature ranges from -40\u2103 to +60\u2103<\/strong>, making it a “field-proven” solution for year-round outdoor operation.<\/p>\n<\/div>\n

    \n

    Q2: Can I adjust the signal balance directly in the field?<\/h3>\n

    A:<\/strong> Yes. The node includes internal adjustable ATT (0~20dB) and EQ (0~20dB)<\/strong> controls. This allows technicians to fine-tune the output slope and level on-site to compensate for cable loss and ensure perfect signal quality at the subscriber end.<\/p>\n<\/div>\n

    \n

    Q3: How many output ports does this node provide?<\/h3>\n

    A:<\/strong> The PL780A is a two-output port node<\/strong>. This design allows you to split the high-level RF signal to two different directions or buildings, significantly lowering the “cost-per-user” for FTTB deployments.<\/p>\n<\/div>\n<\/div>\n