IP Phones & VoIP Equipment
Wi-Fi & Bluetooth Modules
UPS & Power Distribution Units (PDU)
Network Switches
PoE Switches
Managed Switches
Switching Matrices & Stations
Cross-Connects & Distribution Frames
Routers
Modems
Repeaters & Range Extenders
Interface Converters
Other Network Equipment
Network Adapters
Network Analyzers & Testers
Network Controllers
Network TAPs & Packet Brokers
Intercom Systems
Telephone Equipment
Communication Terminals
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Information Security & Crypto Servers
Firewalls & UTM Devices
19" Cabinets & Racks
Gateways
产品 — 网络设备
8-Channel Relay Switch for HD/SD-SDI, DVB-ASI & CVBS Signals - SW-821HV-REL
¥3,240-12,960
LES-TV LLC 🇷🇺
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常见问题
•Are managed switches configurable in English?
Devices aimed at export typically provide English web interfaces and command lines alongside Russian, and configuration follows familiar industry conventions. Confirm interface language on the specific model before fleet purchase, and request firmware documentation — suppliers provide English manuals for managed equipment on request.
•Do the 19-inch cabinets fit equipment from any vendor?
Yes — cabinets follow the standard 19-inch rack specification with conventional unit heights, mounting rails and cable entry options, so they accept hardware from any global manufacturer. Choose by height, depth, door type and load rating; suppliers ship them flat-packed or assembled depending on freight preference.
•What PoE budgets are available for powering cameras and access points?
PoE switch lines cover typical access scenarios, with per-port and total power budgets stated on each datasheet. For CCTV and Wi-Fi projects, calculate total connected load with reserve and verify the budget per switch — suppliers will recommend models if you share your device counts and classes.
•Can intercom and dispatch systems be engineered for our facility?
Yes. Industrial intercom and operational communication systems are usually delivered as engineered projects: the manufacturer designs the console layout, subscriber points and cabling plan from your facility scheme. These systems are widely used in rail, energy and mining — describe your site and they will propose a configuration.
•What are the payment terms for first-time buyers?
Common practice is advance payment for first orders, moving to partial prepayment with balance against shipping documents as the relationship develops. Payments are usually arranged by bank transfer in currencies workable for both sides — discuss the channel early, as it varies by country.