4-Channel Video Optical Terminal

Overview:

The 4-channel video optical terminal is a compact multi-service fiber optic transmission product tailored by our company for the security surveillance market. It can transmit up to 4 channels of one-way video, 4 channels of data, 1 channel of two-way audio, and 2 channels of Ethernet over a single optical fiber, meeting various user requirements. Utilizing internationally advanced full-digital uncompressed video technology, it delivers real-time, synchronous, distortion-free, and high-quality transmission of two video channels and multiple two-way data channels over optical fiber. Its high-quality video performance and bidirectional data transmission satisfy diverse user needs. The plug-and-play design simplifies installation, requiring no on-site adjustments. Both the optical modules and core circuits use standard components, ensuring high stability. All optical and electrical interfaces comply with international standards, making the device suitable for various working environments.

Product Features:

• Supports SNMP network management for real-time online monitoring;
• Multiple protection against lightning and surge on ports;
• SMT surface-mount technology;
• Video quality meets broadcast-grade standards, audio quality meets CD-grade standards;
• No electromagnetic interference (EMI) or radio frequency interference (RFI), supports lossless video regeneration and relay;
• Compatible with PAL, NTSC, SECAM and other video formats;
• Transparent data encoding method, compatible with products from major camera manufacturers;
• Advanced adaptive technology, no on-site electrical or optical adjustment required during use;
• Compact design, small structure, flexible and convenient installation;

Technical Specifications:

Optical Interface

Interface Type	FC (SC and others customizable)	Fiber Mode	Single-mode (multi-mode optional)
Receiver TX/RX Rate	1.25G bps /84M bps	Receiver TX/RX Wavelength	1310nm/1550nm
Transmitter TX/RX Rate	84M bps /1.25G bps	Transmitter TX/RX Wavelength	1550nm/1310nm
Optical Output Power	-12~-7dBm	Receiver Sensitivity	Better than -21dBm (1310nm)
Transmission Distance	20Km, optional long-distance optical modules available for extended fiber transmission.

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)

Ethernet

Interface Type	RJ-45	Transmission Rate	10M/100M Auto-Negotiation
Standard Protocol	Supports IEEE802.3	Operating Mode	Full/Half Duplex/Auto-Negotiation

High-Fidelity

Interface Type	RJ45	Audio Sampling Resolution	16bit
Input/Output Impedance	ADC:100KΩ/DAC:10KΩ	Input/Output Voltage	1.5VP-P (Typical)
Audio Sampling Rate	32KHz	Audio Signal-to-Noise Ratio	≥90dB
Audio Bandwidth	20Hz~20KHz	Total Harmonic Distortion	<1%

Data

Interface Type	RJ-45
Data Type	RS-232, RS422 (4-wire), RS485 (2-wire)

Power Supply and Consumption

Power Supply	AC220V/DC-48V
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

240×138×30(mm)

Ordering Information

No.	Model	Description
1	IDM-VDA4200	4 channels of one-way video, 2 channels of data
2	IDM-VDA4020	4 channels of one-way video, 2 channels of bidirectional audio
3	IDM-VDA4420	4 channels of one-way video, 4 channels of data, 2 channels of bidirectional audio

Application Example: