
Extend POTS Telephone Service Over Multimode Fiber
The PK4M-RM POTS-to-fiber converter installation kit provides a practical solution for extending analog telephone communications over multimode fiber. The system converts the POTS connection for transmission over fiber between locations, allowing telephone service to be extended beyond the limitations of copper cabling.
The PK4M-RM uses multimode duplex fiber with a distance capability of up to 2 km when the appropriate length of fiber optic cable is used.
FXO and FXS POTS Connectivity
The PK4M-RM uses an FXO/FXS configuration for connecting POTS telephone equipment across the fiber link.
- FXO: Exchange/PBX side
- FXS: Subscriber/telephone side
- Function: POTS
- Fiber: Multimode
- Fiber configuration: Duplex
The selector guide lists one FXO and one FXS interface for the PK4M-RM.
Multimode Fiber Transmission
Multimode fiber provides a practical solution for shorter-distance POTS fiber connections. The PK4M-RM is specified for up to 2 km of multimode duplex fiber transmission when the appropriate fiber cable length is used.
All units in the VERSITRON 4-channel POTS converter family use LC optical connectors.
Rack-Mount POTS Fiber Installation
The PK4M-RM is designed specifically for rack-mount installation. The VERSITRON selector guide notes that rack-mount kits include one 2-slot chassis and one standalone enclosure, providing flexibility for centralized POTS-to-fiber installations.
POTS to Fiber Applications
The PK4M-RM can be used for:
- PBX-to-remote telephone connections
- Building-to-building telephone links
- POTS extensions over fiber
- Centralized telephone equipment installations
- Remote subscriber connections
- Commercial and industrial facilities
- Fiber-based telephone infrastructure
Technical Specifications
| Specification | PK4M-RM |
|---|---|
| Function | POTS |
| FXO | 1 |
| FXS | 1 |
| Fiber Type | Multimode |
| Fiber Configuration | Duplex |
| Maximum Distance | 2 km |
| Installation | Rack-Mount |
| Optical Connector | LC |
| Rack-Mount Configuration | 2-Slot Chassis + Standalone Enclosure |
These specifications are based on the VERSITRON 4-Channel POTS 2-Wire FXO/FXS to Fiber Converter Installation Kits Selector Guide.
Why Choose the VERSITRON PK4M-RM?
The PK4M-RM combines POTS telephone connectivity, FXO/FXS interfaces, multimode fiber transmission, and rack-mount installation in a fiber optic telephone solution. Its 2 km multimode transmission capability makes it suitable for shorter-distance fiber links where centralized rack installation is preferred.
VERSITRON — Safeguarding Communications Since 1958
VERSITRON has been providing fiber optic communication solutions since 1958. Our product portfolio includes fiber optic solutions for voice, video, data, and network communications.
For assistance selecting the appropriate POTS-to-fiber converter, fiber type, or rack-mount configuration, contact VERSITRON for technical support and application guidance.
Power Requirements
12VDC, 1.0Amp
Connector (Tip & Ring)
RJ-11, 2-Wire Twisted Pair
Fiber Interface Connector
LC
Installation
Rackmount
Fiber Cable
Multimode: 62.5/125 (Duplex)
Link Margin
Multimode: 11dBm
Audio Signal
Analog, 300Hz to 3.4KHz
Idle Channel Noise
-65dBm
Single Frequency Distortion
-46dBm
2nd Harmonic Distortion
-55dBm
Talk Battery
44 to 52VDC
Loop Current
40mA max. (off hook)
Ring Signal
92V peak (max), 15 to 67Hz
Line Impedance
600Ω
Operating Temperature
0° to 50°C (32° to 122°F)
Storage Temperature
-40° to 70°C (-40° to 158°F)
Humidity
Up to 95% relative humidity (non-condensing)
Altitude
Up to 10,000 ft
Each 4 Channel FXO/FXS to Fiber Multiplexer Installation Kit Includes:
- FXO Unit
- FXS Unit
- External Power Supplies (90-240VAC)
- 100 Meters (328 ft) of Multimode Cable - Duplex
As a complete package, you get everything you need in a plug & play solution for your phone-to-fiber requirements and you receive a Lifetime Warranty from a trusted manufacturer since 1958! Contact us for assistance by calling (1-800-537-2296) or opening a chat. We are here to help!
Additional Installation Kits Are Available For:
Key Features of 4 Channel FXO/FXS to Fiber Multiplexer Installation Kit
- RJ11
- 600 Ohms Impedance
- LED Indicators
- SFP Module Technology
- 300Hz to 3.4KHz
-
Rackmount Options Manuals for 2-Wire Products
(See Bottom of Page)
Why Choose Us
Technical Support
Life Time Warranty
NDAA / TAA Compliant
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