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IDM-VNT1202 Desktop Telephone Optical Line Terminal

IDM-VNT1202

IDM-VNT1202

Telephone Optical Line Terminal·📅UpdatedMay 12, 2026·✍️管理员

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.

telephone optical line terminalmulti-service telephone optical line terminalaudio-video optical line terminal1-channel bidirectional video optical line terminaldesktop telephone optical line terminaltelephone optical line terminal circuit boardvideo optical line terminalprofessional communication equipment manufacturer: Beijing Ruiguang Jiyuan Digital Technology Co., Ltd.

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:IDM-VNT1202 Desktop <a href=/product/ target=_blank class=infotextkey>Telephone Optical Terminal</a> Rear Panel.jpg

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:

Application Example:

FAQs

Top 10 Common Questions About Telephone Optical Terminals

Based on years of experience in the production and R&D of telephone optical terminals…

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How to Troubleshoot Common Faults of Telephone Optical Terminal?

Device cannot be powered on Check whether the power cable is connected correctly.

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What is an Optical Terminal?

Many people are unfamiliar with the optical terminal, but in essence, it is a dedicated device for optical-electrical…

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