Shenzhen Atongda Technology Co., Ltd
| Delivery Time | 5-7 days |
| Isolation | Electrical isolation between channels |
| Numberof Channels | Typically 2 to 128 channels |
| Operating temperature | -10°C to 60°C |
| Numberofchannels | Typically 4, 8, 16, or 32 channels |
| Signal Type | Analog or digital telephone signals |
| Signaltype | Analog or Digital |
| Power Supply | AC 110-240V or DC 12V |
| Dimensions | Varies by model, e.g., 19-inch rack mount |
| Product name | Telephone Multiplexer |
| Transmissiontype | Analog or Digital |
| Packaging Details | 2pcs/box |
| Installationtype | Rack-mounted or wall-mounted |
| Latency | Minimal latency, typically less than 1 ms |
| Data Rate | Up to 2.048 Mbps (E1) or higher |
| Installation Type | Rack-mounted or wall-mounted |
| Supply Ability | 10000pcs/Month |
| Payment Terms | T/T |
| Place of Origin | CHINA |
| Brand Name | OEM/atongda |
| Certification | CE ROSH FCC ISO |
| Model Number | ATD-T108-T/R |
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Product Specification
| Delivery Time | 5-7 days | Isolation | Electrical isolation between channels |
| Numberof Channels | Typically 2 to 128 channels | Operating temperature | -10°C to 60°C |
| Numberofchannels | Typically 4, 8, 16, or 32 channels | Signal Type | Analog or digital telephone signals |
| Signaltype | Analog or Digital | Power Supply | AC 110-240V or DC 12V |
| Dimensions | Varies by model, e.g., 19-inch rack mount | Product name | Telephone Multiplexer |
| Transmissiontype | Analog or Digital | Packaging Details | 2pcs/box |
| Installationtype | Rack-mounted or wall-mounted | Latency | Minimal latency, typically less than 1 ms |
| Data Rate | Up to 2.048 Mbps (E1) or higher | Installation Type | Rack-mounted or wall-mounted |
| Supply Ability | 10000pcs/Month | Payment Terms | T/T |
| Place of Origin | CHINA | Brand Name | OEM/atongda |
| Certification | CE ROSH FCC ISO | Model Number | ATD-T108-T/R |
| High Light | Telephone Fiber Optic Extender ，8 Channel Fiber Optic Extender ，RJ11 Fiber Optic Extender | ||
The 8-Channel Telephone Fiber Optic Multiplexer is a professional voice transmission solution designed to extend multiple analog telephone circuits over optical fiber. The system supports four independent telephone channels and converts analog voice signals into optical signals for secure, stable, and long-distance transmission.
Using advanced digital fiber optic technology, the device effectively eliminates electromagnetic interference (EMI), radio frequency interference (RFI), lightning-induced surges, and signal degradation associated with traditional copper telephone lines. This ensures crystal-clear voice communication even in electrically noisy or harsh industrial environments.
The multiplexer is ideal for PBX extensions, emergency communication systems, campus networks, transportation hubs, power substations, industrial plants, security monitoring centers, and remote office communication systems. It provides reliable voice transmission over distances up to 15km on single-mode fiber and supports plug-and-play installation for rapid deployment.
Its compact industrial metal enclosure, low power consumption, and continuous operation capability make it an excellent choice for mission-critical voice communication applications.
Technical Specifications
| Parameter | Specification |
| Product Type | 8-Channel Telephone Fiber Optic Multiplexer |
| Telephone Channels | 8 Channels |
| Telephone Interface | RJ11 |
| Interface Type | FXS / FXO Optional |
| Voice Signal Type | Analog Telephone |
| Voice Coding | PCM Digital Transmission |
| Voice Bandwidth | 300Hz – 3400Hz |
| Frequency Response | ±0.5dB |
| Signal-to-Noise Ratio | ≥65dB |
| Harmonic Distortion | ≤1% |
| Crosstalk Isolation | ≥65dB |
| Transmission Delay | ≤5ms |
| Fiber Interface | SC Standard (FC/ST Optional) |
| Fiber Type | Single-Mode / Multi-Mode |
| Optical Wavelength | 1310nm / 1550nm |
| Transmission Distance | Up to 15km (Single-Mode) |
| Optional Distance | 20km / 40km / 60km / 80km |
| Optical Loss Budget | 10–28dB |
| Power Supply | DC 5V / 2A |
| Power Consumption | ≤5W |
| Status Indicators | Power, Fiber Link, Telephone Channel Status |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 0–95% Non-Condensing |
| Housing Material | Aluminum Alloy |
| Cooling Method | Fanless |
| MTBF | >100,000 Hours |
| Installation | Desktop / Wall Mount |
| Protection Level | Industrial Grade |
| Certifications | CE, FCC, RoHS |
Application
Company Details
Business Type:
Manufacturer
Year Established:
2013
Total Annual:
8000000-12000000
Employee Number:
150~200
Ecer Certification：
Verified Supplier
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