MF800 Series: 16-Wavelength CWDM Optical Transmission System
Brand: NEC
Introduction
The NEC MF800 Series is a high-density Wavelength Division Multiplexing (CWDM) system capable of constructing systems with up to 16 wavelengths. This advanced system enables the transmission of multiple video and control signals over a single optical fiber, offering significant efficiency and bandwidth advantages for broadcast and media applications.
Key Features
3G-compatible SDI Distribution and Transmission
The system utilizes the latest devices to offer 3G/HD/D1-SDI compatible DDA, VDA, and optical transmission I/F units. The 2U chassis supports dual power supplies and can house up to 10 units, providing a robust and flexible solution.
Improved Maintenance with Front-Access Structure
Designed for ease of maintenance, the active devices on the circuit boards are located on the front side of the chassis, allowing for simple insertion and removal of units. Furthermore, the cooling FANs are also modular, enabling replacement from the front of the rack.
Dual Power Supply, Hot-Swappable, and SNMP Monitoring Support
The MF800 Series supports dual power supplies, allowing for board replacement while the system is powered on (hot-swappable). Integration with network management systems is facilitated by the optional CPU card, which enables SNMP-based alarm monitoring.
8-Wavelength WDM System Configuration Example
The diagram illustrates an 8-wavelength WDM system configuration. On the left, a 2U MF820 Frame houses a CWDM MUX Unit. It accepts 8 channels of 3G/HD/D1-SDI signals, which are converted to optical signals (E/O) at specific wavelengths (1471nm to 1610nm) and transmitted via SC connectors and single-mode optical fiber. On the right, another 2U MF820 Frame contains a CWDM DEMUX Unit. It receives the optical signals via SC connectors and single-mode optical fiber, converts them back to electrical signals (O/E) at the corresponding wavelengths, and outputs 8 channels of 3G/HD/D1-SDI signals.
Specifications
MF820 Frame
| Item | Details |
|---|---|
| Model Name | MF820 Frame / MF800 Series Frame |
| Mountable Units | Various MF800 Series Units |
| Frame Height | 2U |
| Mountable Slots | 10 slots (excluding frame controller slot) |
| Dimensions (W x H x D) | 480mm x 88mm x 470mm |
| Frame Weight | 7.4kg (with 2 MF820/712PS units mounted) |
Power Unit (MF712PS)
| Item | Details |
|---|---|
| Compatibility | Supports dual configuration for MF712/820 frames |
| Power Voltage Range | AC100V - 240V (Single Phase) |
| Frequency | 47 - 63Hz |
| Power Consumption | 150VA (Dual power, maximum load) |
Operating Environment
| Item | Details |
|---|---|
| Operating Temperature | 0℃ - 40℃ |
| Operating Humidity | 40% - 90% (Non-condensing) |
External Control Interface
| Interface | Connector Type | Notes |
|---|---|---|
| GPI | Dsub-15pin | x 1 |
| Ethernet | RJ-45 | 10/100BASE-TX, x 1 (when frame controller is mounted) |
Main Product Lineup
Optical Transmission I/F Units (Wavelength Division Multiplexing Compatible)
- EO800-OTX4-xxxx: 3G/HD/D1-SDI Optical Transmitter
- EO800-ORX4: 3G/HD/D1-SDI Optical Receiver
- AVC800-OTX2-xxxx: Analog Video Optical Transmitter
- AVC800-ORX5: Analog Video Optical Receiver
- AAC800-OTX4-xxxx: Analog Audio Optical Transmitter
- AAC800-ORX4: Analog Audio Optical Receiver
- AES800-OTX4-xxxx: Digital Audio Optical Transmitter
- AES800-ORX4: Digital Audio Optical Receiver
- CK800-OTX10M-xxxx: Clock Transmission Optical Transmitter (8M, 5M compatible)
- CK800-ORX10M: Clock Transmission Optical Receiver (8M, 5M compatible)
- GP1800-OTX12-xxxx: Contact Signal Optical Transmitter (Open collector, contact input compatible)
- GP1800-ORX12: Contact Signal Optical Receiver (Open collector, contact output compatible)
- GBE800-OTR2-xxxx: Gigabit Ethernet Transceiver
Wavelength Division Multiplexing Units
- MF820 Rack-mounted:
- CWDM800-MUX4-1471: 4-wavelength (1 slot width)
- CWDM800-MUX8-1471: 8-wavelength (2 slot width)
- 1U Rack-mount type:
- CWDM800-MUX82-1471: 8-wavelength x 2 systems built-in
- CWDM800-MUX16-1271: 16-wavelength
Frame Options
- Power Unit: MF712PS (for MF712/820 frames, dual configuration supported)
- Frame Controller: MF820CPU (for PC control, SNMP alarm monitoring, installed in frame)
Note: The MF820 Frame Controller may require a firmware update if added to existing frames.
MF820 Frame External View
The MF820 Frame external view shows the front panel with a FAN panel and a Power Unit (PS-L). The rear panel features GPI, AC IN (PS-U), Ethernet (RJ45) port, and another AC IN (PS-L) port. Internally, the frame can accommodate up to 10 distribution and transmission boards and has a dedicated slot for a frame controller.
Safety Precautions
? For installation, connection, and specifications, please read the instruction manual and observe all precautions and prohibitions.
Contact Information
NEC Broadcasting & Media Division
108-8001 Tokyo, Minato-ku, Shiba 5-chome, 7-1 (NEC Headquarters Building)
Sales Department (Broadcasting & Media)
TEL: 03-3798-6363
Solutions Department
TEL: 03-3798-4043
NHK Sales Department
TEL: 03-3798-6365
Website: https://jpn.nec.com/bv/hoso/
Certifications: ISO/IEC 27001, ISO 9001, ISO 14001
