Model 139 Phone Coupler

Model 139 Page phone to public telephone coupler allows standard page phones to connect to external networks.

The Page BossTM mine page phone reflects years of design experience and is one of the most advanced phone series available to mining and industry today. Page BossTM phones provide clear and undistorted communication throughout the entire pager phone system.You can mix and match any of these quality products to make a complete communication system above or below ground and units are compatible with all two-wire, 12VDC page phones on the market today.

The Page BossTM series of phones feature rugged, NEMA 4X rated, polycar-bonate resin enclosures with a combination handle handset hanger and mounting bracket. The circuit design provides a maximum undistorted, power of 2.4 watts to the speaker which insures clear communication. Both paging and semi-private communications are provided. In all standard models, paging is accomplished by holding both the page switch and the handset switch at the same time. Semi-private conversation is maintained by depressing the handset switch only. An inter-face unit is also available for connecting the pager phone network to some leaky feeder radio systems.

Proven solid state design

Economical design

Lightweight, easy to carry

Standardized PAGE BOSSTM printed circuit board

Adjustable volume control

Size: 12”h X 7-3/4”w x 6-1/2”d (30.5 cmH X 19.5 cmW X 16.5 cmD)

Weight: 11 pounds (5 kilograms)

Power Source: 12 VDC battery NEDA 926 (unless otherwise specified)

Power Requirements: Standby– 0 milliamps, page amplifier– 350 mAvv

Input Line Resistance: 18K ohms

Input Line Impedance: 2K ohms

Output Impedance: 600 ohms

Output Page Voltage: 12 volts

Output Page Current: 500mA max (shorted line)

Output Amplifier Power: 2.4 watts RMS undistorted

Solid State Relay Sensitivity: 2 volts DC

Enclosurematerial: Polycarbonate resin