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VH‑I05 is an advanced 1U rack‑mount intelligent PDU built for medium‑to‑large‑scale server rooms, computer labs and integrated cabinet monitoring systems. Unlike ordinary switched or metered PDUs that only offer local power control, this unit adopts master‑slave cascading architecture, supporting multi‑unit linkage management via RS485 bus. It delivers individual outlet remote switching, full‑range electrical metering, plus multi‑sensor environmental monitoring for smoke, water‑logging, door‑contact and temperature‑humidity.
Built‑in LCD local display, Ethernet network, DI/DO dry‑contact terminals and USB debugging port. Administrators can manage power and cabinet environment remotely without on‑site visits, reducing routine inspection workload for data‑center operators. Suitable for multi‑cabinet deployment scenarios requiring unified central supervision.
1.Master‑Slave Cascading Centralized Management Architecture
The standout unique feature: one master VH‑I05 can link multiple slave PDUs over RS485 bus. Only the master unit occupies one IP address, while numerous slave units share this network access. This drastically cuts IP resource consumption for multi‑rack deployments, avoiding wasting scarce IP addresses when deploying dozens of smart PDUs across the computer room.
2. Per‑Outlet Independent Remote & Sequential Power Logic
All eight outlets support separate remote on/off operations. Users configure custom sequential power‑on / power‑off delays and scheduled timing tasks for each individual port. This prevents in‑rush current surges when booting stacks of servers and network gear, ideal for lab equipment clusters and multi‑device rack environments.
3. Multi‑Dimensional Electrical Measurement & Threshold Alarm
Real‑time sampling for total voltage, total current, per‑outlet current, accumulated kWh energy consumption. Every threshold (over‑current, over‑voltage, temperature‑humidity upper‑limit) is user‑configurable. When measurements exceed set bounds, local buzzer alarm triggers instantly.
4. Multi‑Sensor DI/DO Environmental Safety Monitoring
Equipped with digital‑input DI ports to hook‑up external detectors: smoke sensors, water‑logging leak probes, cabinet door‑open contact sensors, temperature‑humidity transducers. It merges power distribution and cabinet‑safety surveillance into one hardware unit; no need to purchase separate environmental monitoring boxes. Alarm events push notifications via email or SMS to system administrators.
5. Rich Multi‑Protocol Interface Ecosystem
Front‑panel integrates LCD status screen, Ethernet LAN port for web‑UI access, RS485 for master‑slave cascading, DI/DO dry‑contact terminals and USB service port. Supports web‑browser management, Modbus communication for docking with third‑party DCIM / room monitoring platforms, simplifying integration with existing data‑center management software.
6. Granular User Permission & Security Control
Multi‑level user account management supports custom passwords and device IP modification. Different operator roles obtain differentiated access rights to prevent unauthorised remote power mis‑operations, improving safety for shared‑administration computer‑room environments.
| Category | Specification |
| Model | VH‑I05 |
| Form Factor | 1U horizontal 19‑inch EIA rack‑mount |
| Output Outlets | 8 individually‑controlled universal outlets |
| Control Architecture | Master‑slave cascading via RS485 bus |
| Display | Front‑mount local LCD status display |
| Interfaces | Ethernet LAN, RS485 bus, DI/DO dry‑contact, USB |
| Monitoring Items | Total voltage, total current, per‑outlet current, accumulated kWh, temperature, humidity |
| Sensor Access | Smoke, water‑logging, cabinet door‑status, temp‑humidity sensors via DI port |
| Alarm Notifications | Local buzzer, E‑mail alert, SMS alert to administrator |
| Control Functions | Per‑port remote on/off, sequential power‑on/off, timing schedule task |
| User Management | Multi‑account password‑protected access, configurable device IP |
| Housing | Heavy‑duty black metal rack chassis |
| Mounting Hardware | Standard 19‑inch rack mounting brackets & screws |
| Compliance | CE, RoHS compliant |
• Multi‑rack small‑and‑medium enterprise data‑centers
• University / enterprise computer‑laboratory server cabinets
• Integrated computer‑room environmental‑safety supervision projects
• Industrial control cabinet remote power management
• Multi‑unit cabinet deployments with limited available IP resources
• DCIM third‑party system docking & centralized monitoring
| Item | Details |
| Minimum Order | 1 unit |
| Customization | Outlet socket‑standard change, pre‑configured sensor accessories, OEM logo printing (bulk‑order) |
| Production Capacity | 150 units per month |
| Lead Time | 12‑20 working‑days for standard unit; 25‑35 working‑days for custom variants |
| Packing | Anti‑shock export carton |
| Trade Terms | FOB, CFR, CIF, EXW |
Q: What is the core advantage of VH‑I05 compared with ordinary single‑IP intelligent PDUs?
A: Common smart PDUs require one independent IP for every single unit. VH‑I05 master‑slave cascading lets multiple slave PDUs reuse one master‑unit IP, which saves valuable IP addresses for computer‑rooms deploying large quantities of rack PDUs.
Q: What sensors can be connected to its DI‑DO port?
A: DI terminals accept dry‑contact‑type smoke detectors, water‑leak / water‑logging probes, cabinet door‑magnetic contacts and temperature‑humidity sensors. Alarm events trigger buzzer, email or SMS notification to administrators.
Q: Can each of the 8 outlets be independently timed and sequenced?
A: Yes. Each outlet supports individual remote switching, custom sequential power‑on/off delay parameters and periodic timing‑schedule tasks to mitigate in‑rush‑current risk for clustered servers and network hardware.
Q: Can this PDU integrate with third‑party DCIM monitoring software?
A: It supports Modbus protocol over RS485 / Ethernet, which enables docking with mainstream data‑center infrastructure monitoring platforms.
Q: Is local operation possible without network access?
A: Yes, front‑panel LCD screen and physical buttons allow onsite viewing of electrical metrics and basic parameter setting even when the network link fails.
