{"id":8161,"date":"2026-10-22T01:16:14","date_gmt":"2026-10-22T01:16:14","guid":{"rendered":"https:\/\/farhd.com\/?p=8161"},"modified":"2026-10-22T01:16:51","modified_gmt":"2026-10-22T01:16:51","slug":"configuring-an-8-button-outdoor-station-with-8-indoor-monitors-via-a-2-wire-switch","status":"publish","type":"post","link":"https:\/\/farhd.com\/ru\/configuring-an-8-button-outdoor-station-with-8-indoor-monitors-via-a-2-wire-switch\/","title":{"rendered":"Configuring an 8-Button Outdoor Station with 8 Indoor Monitors via a 2-Wire Switch"},"content":{"rendered":"\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-9-16 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"8 Buttons Outdoor Station Call with 8 Indoor Monitors 2-wire Connection via 2-wire Switch\" width=\"563\" height=\"1000\" src=\"https:\/\/www.youtube.com\/embed\/mKmPhAe806w?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>An 8-button outdoor station paired with eight indoor monitors is a practical configuration for small apartment buildings, multi-unit residential properties, and compact communities with up to eight units. Using a 2-wire switch simplifies power distribution and signal routing, while 2-wire non-polarity cabling keeps installation straightforward. This guide covers the components, wiring topology, room-number configuration, button mapping, testing, and troubleshooting steps needed for a reliable deployment.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The key to a successful 8-unit installation is not just connecting the wires\u2014it is ensuring that each button calls the correct indoor monitor, each monitor has a unique room number, and the 2-wire switch has enough ports and power capacity for the full load. Get these three elements right, and the system will operate reliably for years.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 id=\"system-components\" class=\"wp-block-heading\">System Components<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A typical 8-button, 8-monitor 2-wire kit includes:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Component<\/th><th class=\"has-text-align-left\" data-align=\"left\">Role<\/th><\/tr><\/thead><tbody><tr><td><strong>8-Button Outdoor Station<\/strong><\/td><td>One call button per unit; camera, microphone, speaker, optional card reader<\/td><\/tr><tr><td><strong>8 Indoor Monitors<\/strong><\/td><td>One per apartment; answer calls, view video, unlock door<\/td><\/tr><tr><td><strong>2-Wire Switch \/ Distributor<\/strong><\/td><td>Distributes power and signals; provides fault isolation between monitor branches<\/td><\/tr><tr><td><strong>Power Supply<\/strong><\/td><td>15V DC adapter or central power supply matched to switch and monitor load<\/td><\/tr><tr><td><strong>2-Core Cable<\/strong><\/td><td>Non-polarity, \u22650.5mm\u00b2, up to 100m per run<\/td><\/tr><tr><td><strong>Electric Lock<\/strong><\/td><td>Controlled by relay output; requires separate 12V DC power supply<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Port capacity check:<\/strong> Confirm that the 2-wire switch has sufficient output ports for <strong>eight indoor monitors plus one outdoor-station input<\/strong>. Some 8-port switches are configured as 6 indoor ports + 2 outdoor ports; if so, use a larger switch or cascade a second switch\/distributor. Do not exceed the switch\u2019s rated monitor count or power budget.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 id=\"wiring-topology-star-wiring-via-2-wire-switch\" class=\"wp-block-heading\">Wiring Topology: Star Wiring via 2-Wire Switch<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">For eight indoor monitors, <strong>star wiring<\/strong> is strongly recommended.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">text<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[Outdoor Station] \u2500\u2500 2-wire \u2500\u2500 [2-Wire Switch \/ Distributor]\n                                      \u251c\u2500\u2500 2-wire \u2500\u2500 [Indoor Monitor 1]\n                                      \u251c\u2500\u2500 2-wire \u2500\u2500 [Indoor Monitor 2]\n                                      \u251c\u2500\u2500 2-wire \u2500\u2500 [Indoor Monitor 3]\n                                      \u251c\u2500\u2500 2-wire \u2500\u2500 [Indoor Monitor 4]\n                                      \u251c\u2500\u2500 2-wire \u2500\u2500 [Indoor Monitor 5]\n                                      \u251c\u2500\u2500 2-wire \u2500\u2500 [Indoor Monitor 6]\n                                      \u251c\u2500\u2500 2-wire \u2500\u2500 [Indoor Monitor 7]\n                                      \u2514\u2500\u2500 2-wire \u2500\u2500 [Indoor Monitor 8]<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Advantages:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fault isolation: a problem in one apartment does not affect the others.<\/li>\n\n\n\n<li>Easier room-number configuration and troubleshooting.<\/li>\n\n\n\n<li>Stable power distribution to each monitor.<\/li>\n\n\n\n<li>Scalable if the building expands within the switch\u2019s rated capacity.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Avoid daisy-chaining eight monitors on a single bus.<\/strong> Long bus runs increase voltage drop and make fault isolation difficult. If a bus topology is unavoidable, confirm the manufacturer\u2019s maximum device count and cable length for the specific model.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 id=\"step-by-step-wiring-guide\" class=\"wp-block-heading\">Step-by-Step Wiring Guide<\/h3>\n\n\n\n<h4 id=\"step-1-mount-the-outdoor-station\" class=\"wp-block-heading\">Step 1: Mount the Outdoor Station<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mount at <strong>1.5\u20131.8 metres<\/strong> above ground, protected from direct rain and sunlight.<\/li>\n\n\n\n<li>Use the included rain cover and mounting bracket.<\/li>\n<\/ul>\n\n\n\n<h4 id=\"step-2-mount-the-indoor-monitors\" class=\"wp-block-heading\">Step 2: Mount the Indoor Monitors<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mount each monitor in a convenient indoor location.<\/li>\n\n\n\n<li>Recommended height: <strong>1.2\u20131.4 metres<\/strong>.<\/li>\n\n\n\n<li>Keep monitors away from direct heat sources and strong Wi-Fi interference where possible.<\/li>\n<\/ul>\n\n\n\n<h4 id=\"step-3-run-the-2-wire-cables\" class=\"wp-block-heading\">Step 3: Run the 2-Wire Cables<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use <strong>2-core cable, \u22650.5mm\u00b2<\/strong>.<\/li>\n\n\n\n<li>Keep each run under <strong>100 metres<\/strong>. For longer runs, use <strong>0.75mm\u00b2 or 1.0mm\u00b2<\/strong> cable.<\/li>\n\n\n\n<li>Avoid running intercom cable parallel to AC power lines. Cross at right angles if unavoidable.<\/li>\n<\/ul>\n\n\n\n<h4 id=\"step-4-connect-the-outdoor-station\" class=\"wp-block-heading\">Step 4: Connect the Outdoor Station<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Connect the 2-wire cable to the outdoor station\u2019s 2-wire terminals.<\/li>\n\n\n\n<li><strong>Polarity does not matter<\/strong> on standard non-polarity 2-wire systems.<\/li>\n\n\n\n<li>If an electric lock is used, connect the lock control wires to the relay output (typically <strong>NO and COM<\/strong>). The relay is a dry contact and does not power the lock. A separate <strong>12V DC lock power supply<\/strong> is required.<\/li>\n<\/ul>\n\n\n\n<h4 id=\"step-5-connect-the-2-wire-switch\" class=\"wp-block-heading\">Step 5: Connect the 2-Wire Switch<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Connect the outdoor station cable to the switch\u2019s <strong>outdoor-station input<\/strong>.<\/li>\n\n\n\n<li>Connect each indoor monitor cable to a dedicated <strong>monitor output port<\/strong>.<\/li>\n\n\n\n<li>Power the switch with the supplied adapter or central power supply.<\/li>\n\n\n\n<li>Verify that the switch\u2019s total power capacity covers all eight monitors plus the outdoor station.<\/li>\n<\/ul>\n\n\n\n<h4 id=\"step-6-connect-the-indoor-monitors\" class=\"wp-block-heading\">Step 6: Connect the Indoor Monitors<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Connect each monitor\u2019s 2-wire cable to its assigned switch output.<\/li>\n\n\n\n<li>Do not share a single output port between multiple monitors unless the manufacturer explicitly supports parallel connection on that port.<\/li>\n<\/ul>\n\n\n\n<h4 id=\"step-7-power-on-and-initial-test\" class=\"wp-block-heading\">Step 7: Power On and Initial Test<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Power on the system.<\/li>\n\n\n\n<li>Press <strong>Button 1<\/strong>. Indoor Monitor 1 should ring.<\/li>\n\n\n\n<li>Repeat for Buttons 2\u20138 and Monitors 2\u20138.<\/li>\n\n\n\n<li>Test two-way audio, video, and unlock from each monitor.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 id=\"configuration-room-numbers-and-button-mapping\" class=\"wp-block-heading\">Configuration: Room Numbers and Button Mapping<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">After wiring, configure the system so that each button calls the correct apartment.<\/p>\n\n\n\n<h4 id=\"step-1-assign-unique-room-numbers-to-each-indoor-monitor\" class=\"wp-block-heading\">Step 1: Assign Unique Room Numbers to Each Indoor Monitor<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Via indoor monitor menu:<\/strong><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Enter the <strong>Settings<\/strong> menu.<\/li>\n\n\n\n<li>Select <strong>Room Number<\/strong> or <strong>Address Setting<\/strong>.<\/li>\n\n\n\n<li>Enter the apartment number (e.g., 101, 102, 103, 201, 202, 203, 301, 302).<\/li>\n\n\n\n<li>Save and exit.<\/li>\n\n\n\n<li>Repeat for all eight monitors.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Via 2-wire switch or management software:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>For larger systems, use the switch\u2019s web interface or management software to assign room numbers in bulk.<\/li>\n\n\n\n<li>Confirm that every monitor has a unique address before proceeding.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Important:<\/strong> Duplicate room numbers will cause multiple monitors to ring at the same time. Always verify uniqueness.<\/p>\n\n\n\n<h4 id=\"step-2-map-outdoor-station-buttons-to-apartments\" class=\"wp-block-heading\">Step 2: Map Outdoor Station Buttons to Apartments<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">For an 8-button station, each button must be associated with a specific room number.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Default mapping:<\/strong> Many systems default to Button 1 = Unit 1, Button 2 = Unit 2, and so on.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Custom mapping:<\/strong> If the apartment numbering is not sequential (e.g., 101, 102, 201, 202, 301, 302, 401, 402), configure the button-to-room mapping.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Configuration methods:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Indoor monitor menu:<\/strong> Some systems allow button mapping from the monitor settings.<\/li>\n\n\n\n<li><strong>DIP switches or jumpers:<\/strong> Some outdoor stations use physical switches to set button addresses.<\/li>\n\n\n\n<li><strong>Management software:<\/strong> Use the manufacturer\u2019s software to assign each button to a room number.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Example mapping:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Button<\/th><th class=\"has-text-align-left\" data-align=\"left\">Room Number<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>101<\/td><\/tr><tr><td>2<\/td><td>201<\/td><\/tr><tr><td>3<\/td><td>301<\/td><\/tr><tr><td>4<\/td><td>401<\/td><\/tr><tr><td>5<\/td><td>501<\/td><\/tr><tr><td>6<\/td><td>601<\/td><\/tr><tr><td>7<\/td><td>701<\/td><\/tr><tr><td>8<\/td><td>801<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Label each button with the resident\u2019s name or room number for easy identification.<\/p>\n\n\n\n<h4 id=\"step-3-configure-system-settings\" class=\"wp-block-heading\">Step 3: Configure System Settings<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Unlock duration:<\/strong> Set the relay release time, typically <strong>3\u201310 seconds<\/strong>.<\/li>\n\n\n\n<li><strong>Ringtone volume:<\/strong> Adjust each monitor\u2019s ringtone volume.<\/li>\n\n\n\n<li><strong>Video settings:<\/strong> Adjust brightness, contrast, and night vision if available.<\/li>\n\n\n\n<li><strong>Language:<\/strong> Select the preferred language for the UI.<\/li>\n<\/ul>\n\n\n\n<h4 id=\"step-4-optional-app-pairing-tuya-smart-life\" class=\"wp-block-heading\">Step 4: Optional App Pairing (Tuya \/ Smart Life)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">If the indoor monitors support Wi-Fi and Tuya Smart Life:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Connect the monitor to a <strong>2.4GHz Wi-Fi<\/strong> network.<\/li>\n\n\n\n<li>Download the Tuya Smart or Smart Life app.<\/li>\n\n\n\n<li>Create an account and tap <strong>\u201cAdd Device.\u201d<\/strong><\/li>\n\n\n\n<li>Follow the pairing instructions.<\/li>\n\n\n\n<li>Assign the device to a room and name it (e.g., \u201cApartment 101\u201d).<\/li>\n\n\n\n<li>Test remote answering, live view, and unlock.<\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Note:<\/strong> Not all 2-wire systems support app integration. Confirm the model specification before relying on remote access.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 id=\"testing-and-commissioning\" class=\"wp-block-heading\">Testing and Commissioning<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">After configuration, test every button and every monitor.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Test<\/th><th class=\"has-text-align-left\" data-align=\"left\">What to Verify<\/th><\/tr><\/thead><tbody><tr><td><strong>Button-to-monitor mapping<\/strong><\/td><td>Each button rings only its assigned monitor<\/td><\/tr><tr><td><strong>Two-way audio<\/strong><\/td><td>Clear conversation, no echo or dropouts<\/td><\/tr><tr><td><strong>Video quality<\/strong><\/td><td>Clear image, correct viewing angle, night vision activates<\/td><\/tr><tr><td><strong>Unlock function<\/strong><\/td><td>Door releases reliably; relay click audible<\/td><\/tr><tr><td><strong>Monitor power<\/strong><\/td><td>All eight monitors power on and remain stable<\/td><\/tr><tr><td><strong>App functions<\/strong><\/td><td>Remote answer, live view, and unlock work if supported<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">If a button rings the wrong monitor, the button mapping or room number is incorrect. If multiple monitors ring at once, check for duplicate room numbers.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 id=\"troubleshooting-common-issues\" class=\"wp-block-heading\">Troubleshooting Common Issues<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Issue<\/th><th class=\"has-text-align-left\" data-align=\"left\">Possible Cause<\/th><th class=\"has-text-align-left\" data-align=\"left\">Solution<\/th><\/tr><\/thead><tbody><tr><td><strong>One monitor does not ring<\/strong><\/td><td>Wrong room number<\/td><td>Reconfigure room number<\/td><\/tr><tr><td><\/td><td>Loose 2-wire connection<\/td><td>Re-seat terminals at switch and monitor<\/td><\/tr><tr><td><strong>Multiple monitors ring at once<\/strong><\/td><td>Duplicate room numbers<\/td><td>Assign unique numbers to each monitor<\/td><\/tr><tr><td><strong>Button rings wrong monitor<\/strong><\/td><td>Incorrect button mapping<\/td><td>Reconfigure button-to-room mapping<\/td><\/tr><tr><td><strong>No video<\/strong><\/td><td>Cable fault or loose connector<\/td><td>Check continuity and terminal tightness<\/td><\/tr><tr><td><strong>No audio<\/strong><\/td><td>Volume muted or wiring issue<\/td><td>Check volume settings and audio connections<\/td><\/tr><tr><td><strong>Unlock fails<\/strong><\/td><td>Lock power missing or relay miswired<\/td><td>Verify lock power supply and NO\/COM wiring<\/td><\/tr><tr><td><strong>Monitor reboots<\/strong><\/td><td>Insufficient power at switch<\/td><td>Check switch power capacity and cable voltage drop<\/td><\/tr><tr><td><strong>App cannot connect<\/strong><\/td><td>Wi-Fi on 5GHz or weak signal<\/td><td>Use 2.4GHz network; improve Wi-Fi coverage<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 id=\"best-practices-for-8-unit-2-wire-systems\" class=\"wp-block-heading\">Best Practices for 8-Unit 2-Wire Systems<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Confirm switch capacity before installation.<\/strong> Count eight monitor ports plus one outdoor-station input; do not exceed the switch\u2019s rated power or device count.<\/li>\n\n\n\n<li><strong>Use quality cable.<\/strong> \u22650.5mm\u00b2 copper; use thicker gauge for runs over 50 metres.<\/li>\n\n\n\n<li><strong>Keep runs under 100 metres.<\/strong> For longer distances, use a repeater or thicker cable.<\/li>\n\n\n\n<li><strong>Label both ends of every cable.<\/strong> Use room numbers or port numbers for clarity.<\/li>\n\n\n\n<li><strong>Test each apartment after configuration.<\/strong> Verify call, audio, video, and unlock before final handover.<\/li>\n\n\n\n<li><strong>Seal outdoor connections.<\/strong> Use waterproof gel caps or silicone at the outdoor station.<\/li>\n\n\n\n<li><strong>Document the port map and room numbers.<\/strong> This reduces future maintenance time.<\/li>\n\n\n\n<li><strong>Update firmware after installation.<\/strong> Check for the latest stable release.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 id=\"why-choose-farhd-for-multi-unit-2-wire-systems\" class=\"wp-block-heading\">Why Choose FARHD for Multi-Unit 2-Wire Systems?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">FARHD has been designing and manufacturing video intercom systems since 1998, with over 28 years of industry experience. Our 2-wire systems are trusted in over 100 countries for reliability, ease of installation, and flexible configuration.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Key advantages:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Source factory<\/strong> \u2013 factory-direct pricing, full quality control.<\/li>\n\n\n\n<li><strong>2-wire simplicity<\/strong> \u2013 non-polarity wiring, reuses existing cabling, up to 100m per run.<\/li>\n\n\n\n<li><strong>Multi-button outdoor stations<\/strong> \u2013 4, 8, 10, 12, 14, and 16-button configurations.<\/li>\n\n\n\n<li><strong>2-wire switches and distributors<\/strong> \u2013 stable power distribution and fault isolation.<\/li>\n\n\n\n<li><strong>IP65 outdoor stations<\/strong> \u2013 rated for -40\u00b0C to +70\u00b0C.<\/li>\n\n\n\n<li><strong>OEM\/ODM\/SKD<\/strong> \u2013 custom branding, packaging, and software.<\/li>\n\n\n\n<li><strong>No MOQ<\/strong> \u2013 start with a sample; scale as you grow.<\/li>\n\n\n\n<li><strong>Global certifications<\/strong> \u2013 CE, FCC, RoHS, IP65, EMC.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Our products are installed in thousands of apartments, villas, and residential projects worldwide.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 id=\"frequently-asked-questions\" class=\"wp-block-heading\">Frequently Asked Questions<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: Can one 2-wire switch support eight indoor monitors and one outdoor station?<\/strong><br>A: Only if the switch has at least nine usable ports and sufficient power capacity. Some 8-port switches are configured as 6 monitor ports + 2 outdoor ports; in that case, use a larger switch or cascade a second unit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: How do I map eight buttons to eight apartments?<\/strong><br>A: Assign a unique room number to each indoor monitor, then configure the outdoor station\u2019s button-to-room mapping through the monitor menu, DIP switches, or management software.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: What happens if two monitors have the same room number?<\/strong><br>A: Both will ring when that room number is called. Always assign unique room numbers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: Does the system work without internet?<\/strong><br>A: Yes. Basic calling, video, audio, and unlock functions work without internet. Internet is only required for remote app access.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: What is the maximum cable length per monitor?<\/strong><br>A: Up to 100 metres with \u22650.5mm\u00b2 cable. For longer runs, use thicker gauge or a repeater.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: Is the outdoor station weatherproof?<\/strong><br>A: Yes, FARHD outdoor stations are typically IP65 rated and operate from -40\u00b0C to +70\u00b0C.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 id=\"contact-us-for-catalog-pricing-and-samples\" class=\"wp-block-heading\">Contact Us for Catalog, Pricing, and Samples<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The FARHD 8-button outdoor station with eight indoor monitors and a 2-wire switch is a practical, reliable solution for small apartment buildings and multi-unit residential properties. With straightforward wiring, flexible room-number configuration, and stable performance, it delivers secure and convenient entry for every unit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Contact us today for catalog, pricing, or to request a sample.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udce9 <strong>Email:<\/strong> info@farhd.com<br>\ud83c\udf10 <strong>Website:<\/strong> <a href=\"https:\/\/www.farhd.com\/\" target=\"_blank\" rel=\"noopener\">www.farhd.com<\/a><br>\ud83d\udcf1 <strong>WhatsApp:<\/strong> +86 188 2370 9809 \/ +86 199 2545 1918<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><em>FARHD \u2013 Video Intercom Manufacturer Since 1998.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>#8ButtonIntercom #2WireIntercom #ApartmentIntercom #VideoIntercom #2WireSwitch #MultiUnitIntercom #WiringGuide #Configuration #FARHD #OEM #ODM #BuildingSecurity<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>An 8-button outdoor station paired with eight indoor monitors is a practical configuration for small apartment buildings, multi-unit residential properties, and compact communities with up to eight units. Using a 2-wire switch simplifies power distribution and signal routing, while 2-wire non-polarity cabling keeps installation straightforward. This guide covers the components, wiring topology, room-number configuration, button&#8230;<\/p>","protected":false},"author":2,"featured_media":8163,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-8161","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}]},"featured_image_src_large":["https:\/\/farhd.com\/wp-content\/uploads\/2026\/10\/7-3-1-640x1024.jpg",640,1024,true],"author_info":{"display_name":"Kevin","author_link":"https:\/\/farhd.com\/ru\/author\/kevin\/"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":572,"filter":"raw","term_order":"0","cat_ID":1,"category_count":572,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/farhd.com\/ru\/wp-json\/wp\/v2\/posts\/8161","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/farhd.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/farhd.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/farhd.com\/ru\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/farhd.com\/ru\/wp-json\/wp\/v2\/comments?post=8161"}],"version-history":[{"count":3,"href":"https:\/\/farhd.com\/ru\/wp-json\/wp\/v2\/posts\/8161\/revisions"}],"predecessor-version":[{"id":8167,"href":"https:\/\/farhd.com\/ru\/wp-json\/wp\/v2\/posts\/8161\/revisions\/8167"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/farhd.com\/ru\/wp-json\/wp\/v2\/media\/8163"}],"wp:attachment":[{"href":"https:\/\/farhd.com\/ru\/wp-json\/wp\/v2\/media?parent=8161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/farhd.com\/ru\/wp-json\/wp\/v2\/categories?post=8161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/farhd.com\/ru\/wp-json\/wp\/v2\/tags?post=8161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}