2Ch POTS(FXO/FXS)Telephone over Fiber Mux
2Ch POTS Telephone over Fiber Overview
The E-Link 2-Channel POTS-to-Fibre Converter reliably extends two separate traditional telephone
lines (POTS) over a single optical fibre, significantly increasing capacity and cost efficiency.
Designed for seamless integration, it features standard RJ-11 connectors for straightforward
copper pair termination. The system operates alongside complementary units: the FXO model interfaces
with central office (PSTN) or PBX trunk lines and features ringing voltage detection.
The reciprocal FXS model connects directly to telephone sets, fax machines or modems,
providing dial tone and functionality as the line source. This robust solution is ideal for securing
and extending critical voice communications to remote buildings, campuses and industrial sites,
offering superior clarity and immunity to interference.
2Ch POTS Telephone over Fiber Features
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Standard RJ11 telephone interface for universal compatibility
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2 voice channels with support for Caller ID and Fax transmission
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Dual voice port design (O port & S port):
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Compatible with FXO/FXS standard telephones
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Supports point-to-point, cascaded, and distributed networking with no SNR degradation
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Fiber optic power link with status LEDs for real-time system health monitoring
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Industrial-grade modular design ensures flexible deployment, high reliability, and durability
2Ch POTS Telephone over Fiber Technical Indexes
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Product Name
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2 channel telephone over fiber converter
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Product Model
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LNK-PCM02 Series
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Description
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FXO/FXS Ordinary telephone
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Telephone Ports
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2 telephone port RJ11 port
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Switch Terminal
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Ordinary telephone or PBX, PBX (PBX),
public telephone outside the PSTN
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FXS
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Ringing voltage: 75V, ringing frequency: 25HZ
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FXO
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Second line input impedance:600Ω (hook),
return loss: 40db,
ring detection voltage:35V
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Ring detection frequency
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17HZ-60HZ,
second-line input impedance: 600Ω(hook),
return loss: 40 db
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Broadband Voice
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8KHZ
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Connection
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Point to point,
telephone to telephone,
telephone to switch
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Code
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PCM code
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Fiber Ports
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FC/UPC
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Ethernet Ports (optional)
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Interface rate: 10/100 Mbps, half/full duplex auto-negotiation
Interface Standard: Compatible with IEEE 402.3, IEEE 402.1Q (VLAN)
MAC Address Capability: 4096
Connector: RJ45, support Auto-MDIX
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Transmission distance
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Single-mode single fiber 20KM
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Environmental Specifications
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Operating Temperature: -35°～ 75°C
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Storage Temperature: -40°～ 45°C
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Operating Humidity: 0%～95%, non-condensing
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Total power consumption
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2.5w(Input:DC12V 1A)
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Power supply
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External power supply,
Input:AC110-40V 50/60Hz,
Output:12V 1A
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2Ch POTS Telephone over Fiber Ordering Information
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Model
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Description
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LNK-PCM02
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Analog Telephone to F/O Converter: 2-Ch Telephone lines (FXO & FXS), FC, Single Mode(9/125µm), 20KM, DC12V, used by pairs
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LNK-PCM02-E
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Analog Telephone to F/O Converter: 2-Ch Telephone lines (FXO & FXS) + 1-Ch 100M Ethernet, FC, Single Mode(9/125µm), 20KM, DC12V, used by pairs
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2Ch POTS Telephone over Fiber Application
After-Sales and Warranty Policy
It is composed of online customer service and telephone customer service, providing product consultation,
remote technical support, maintenance and acceptance services.
Service Policy: Three-month replacement and three-year warranty.
Replacement: Within three months of purchasing a series of products, after testing the product failure
by technicians and man-made damage caused by non-natural disasters, the purchaser can directly
go to the purchasing point to replace the same type of products.Or a product of comparable performance.
If there is no trouble in product testing, the original sample will be returned.
Warranty: Man-made damage caused by non-natural disasters, our company's free warranty period is 1 year.
[The following circumstances do not fall within the scope of replacement and free maintenance]
1.Damage caused by operation and maintenance not in accordance with the instructions in the product manual.
2.Damage caused by human factors, such as inappropriate voltage input, water intake and breakage.
3.Damage to products caused by natural disasters, such as lightning, earthquakes, fires, etc.
3.Unauthorized alteration of the inherent settings or repair without the company's permission.
4.Products beyond the scope of free maintenance.
5.Damage caused by transportation, loading and unloading during repairs sent by customers.
6.The product bar code or model on the product warranty card does not conform to the product itself.
7.Failure or damage caused by other non-product problems such as design, technology, manufacturing and quality.
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