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2-Wire POTS Phone and Data Kits

VERSITRON manufactures modems for converting a “Plain Old Telephone” (POTS) signal to Multimode or Singlemode fiber. We also offer TeleData modems that convert POTS + RS-485 data signals to fiber optic cable. Voice links are then secure and free from EMI/RFI interference, lighting, and ground loops. These products are offered in a complete installation kit for 1, 4, and 8-Channel options.


Each Kit of 2 Wire POTS Installation Kit Contains:

  • FXO Unit
  • FXS Unit
  • External Power Supplies (90-240VAC)
  • 100Meters (328 Feet) Of F.O. Cable

The FXO unit is installed at the PBX site (exchange) and the FXS unit is installed at the telephone site (subscriber). Note: For "ring down" applications FXS units are installed at both ends of the link.

Audio Transmission Characteristics

The FXO side of the link accepts a telephone audio signal on its RJ11 connector from the exchange, and digitizes it with an analog-to-digital converter. Each of the digital samples is then encoded and applied to the SFP module for transmission over the fiber optic cable.

The FXS unit decodes the signal from the SFP module and applies it to a digital-to-analog converter to recover the analog audio. The converse occurs in the other direction for the FXO device. The telephone modem transmits analog signals of 300 to 3400Hz.

Data Transmission Characteristics

Kits are also offered that support an independent and balanced RS-485/RS-422 data link up to 64Kbps on the RJ-45 connector for transmission across the fiber optic line. This interface is full duplex only.

Electrical Specifications & General Information:

Phone Connectors (Tip & Ring)

RJ11, 2-Wire Twisted Pair

Audio Signal

Analog, 300Hz to 3.4Khz

Idle Channel Noise

-65dBm

Single Frequency Distortion

-46dB

2nd Harmonic Distortion

-55dB

Talk Battery

44 to 52 VDC

Loop Current

40mA max (off hook)

Ring Signal

92V peak (max), 15 to 67Hz

Line Impedance

600 ohms

RS-485 Data Rate

64kbps Max

Power Requirements

1-Ch: 12VDC, 1.0Amp
4-Ch and 8-Ch: +10 to +16 VDC at 2 Amps

Operating Temperature

0 to 50 degrees Celsius (32 to 100 degrees F)

Humidity

Up to 95% relative humidity (non-condensing)

Altitude

Up to 10,000 ft


Installation options include standalone and rack-mount. Fiber is included with each kit. You can choose multimode, multimode single f.o. cable, singlemode, and singlemode single f.o. cable.LC optical connectorsare standard.

You get everything you need in a plug & playsolution for your phone-to-fiber requirements and, you get a Lifetime Warrantyfrom a trusted manufacturer since 1958!

These types of products are becoming more and more popular for use in residential"gated community" applications. These devices are especially beneficial where long distances are in play between the gate itself and the monitoring station. There's a wide selection of turnkey installation kits to choose from. Contact us for any assistance by giving us a call at (1-800-537-2296)or opening a chat. We're here to help.