IDM-VNT1202
IDM-VNT1202
The IDM-VNT1202 multi-service optical line terminal adopts advanced all-digital video uncompressed transmission technology, delivering high-quality video transmission. It provides 1 channel of bidirectional video, 2 channels of telephone, and 2 channels of Ethernet services.
Overview:
The IDM-VNT1202 Telephone Optical Terminal adopts advanced all-digital uncompressed video transmission technology, delivering high-quality video transmission performance. It provides single/bidirectional video, data, telephone, Ethernet, and single/bidirectional high-fidelity audio services. It supports high-quality transmission of any high-resolution static and dynamic images. The Video series single-channel Telephone Optical Terminal is a long-distance video transmission system featuring high reliability, high cost-effectiveness, and superior transmission quality. It is suitable for fiber-optic CCTV network systems, traffic surveillance, industrial monitoring, building surveillance, video conferencing, high-quality video conferencing, remote education systems, and more.

Product Features:
All-digital uncompressed video transmission technology;
The optical terminal provides 1 channel of bidirectional video signal, 2 channels of telephone, and 2 channels of data;
Optional 2 channels of Ethernet and 2 channels of high-fidelity audio access;
Compatible with NTSC, PAL, and SECAM standards;
Advanced automatic gain control function;
Lightning protection with self-resetting fuse circuit design.
Video quality meets broadcast-grade standards;
Audio quality meets CD-grade standards;
Supports lossless video regeneration and relay;
Transparent data encoding method, compatible with products from major camera manufacturers;
Compact design, small structure, flexible and convenient installation;
Technical Specifications:
Optical Interface
Interface Type | FC (SC, etc. customizable) | Fiber Mode | Single-mode (multi-mode optional) |
Receiver TX/RX Rate | 155M/155M | Receiver TX/RX Wavelength | 1310nm/1550nm |
Transmitter TX/RX Rate | 155M/155M | Transmitter TX/RX Wavelength | 1550nm/1310nm |
Optical Output Power | -15~-8dBm | Receiver Sensitivity | Better than -32dBm |
Transmission Distance | 20Km; long-distance optical modules can be optionally installed for fiber transmission over longer distances. | ||
High Fidelity
Interface Type | RJ45 | Audio Sampling Bit Width | 16bit |
Input/Output Impedance | ADC:100KΩ/DAC:10KΩ | Input/Output Voltage | 1.5VP-P (typical) |
Audio Sampling Frequency | 32KHz | Audio Signal-to-Noise Ratio | ≥90dB |
Audio Bandwidth | 20Hz~20KHz | Total Harmonic Distortion | <1% |
Ethernet
Interface Type | RJ-45 | Transmission Rate | 10M/100M Auto-Negotiation |
Standard Protocol | IEEE802.3 Compliant | Operating Mode | Full/Half Duplex/Auto-Negotiation |
FXO, FXS Interfaces
Audio Range | 300Hz~3400Hz | Impedance | Three-element compound impedance 200Ω+560Ω//0.1μF |
Compression Ratio | A-law per ITU G.711 | Loop Current | 25mA/channel |
Data
Interface Type | RJ-45 |
Data Type | RS-232, RS422 (4-wire), RS485 (2-wire) |
Video
Interface Type | BNC | Luminance Nonlinearity | <3% |
Video Sampling Resolution | 8bit | Video Bandwidth | 0Hz~6.5MHz |
Differential Phase (DP) | <0.7o | Differential Gain (DG) | <0.7% |
Input Overload Voltage | 1.5VP-P (typical) | Input/Output Voltage | 1VP-P (typical) |
Input/Output Impedance | 75Ω (unbalanced) | Video Signal-to-Noise Ratio | ≥70dB (weighted) |
Power Supply and Power Consumption
Power Supply Mode | AC220V/DC-48V |
Total Power Consumption | ≤6W |
Environmental Conditions
Operating Temperature | -15 oC~+65oC | Storage Temperature | -25oC~+75oC |
Industrial Grade | -40oC~ +85 oC | Relative Humidity | 0~95% (non-condensing) |
Product Dimensions
Length×Depth×Height | 110mm×168mm×28mm |
Optional Configuration List
No. | Brief Description of Optional Functions |
1 | 2 channels of 100M Ethernet, 2 channels of telephone |
2 | 1 channel of bidirectional video, 1 channel of bidirectional data |
3 | 1 channel of bidirectional video, 1 channel of 10M Ethernet, 1 channel of telephone, 1 channel of bidirectional data, 1 channel of bidirectional audio |
4 | 1 channel of bidirectional video, 1 channel of 10M Ethernet, 2 channels of telephone, 1 channel of bidirectional data, 1 channel of unidirectional audio |
Application Example:

FAQs
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