Standard Features - S-COM 6K Owner's Manual

1. INTRODUCTION
The S-COM 6K is a high-quality, compact, microprocessor-based repeater controller
intended for use in amateur radio and commercial radio installations. Incorporating
advanced hardware and software designs, the 6K provides most-often-needed control
functions and powerful new features not found in any comparable-cost controller.
The 6K is fully remotely programmable with DTMF commands via the telephone or via the
receiver ports, thus eliminating the inconvenience of returning EPROMs, microcontroller ICs,
and PC boards to the factory for reprogramming. No jumpers or diodes are needed for
programming. Data is retained in non-volatile memory, ensuring that no information is lost
during power outages . . . making extra trips to the repeater site unnecessary.
2.

STANDARD FEATURES

A. HARDWARE
a. Configuration
The standard 6K controller package consists of a Main Board and a Telephone Interface
Module mounted in a rackmount cabinet. A set of mating connectors and a manual
complete the basic package.
b. Cabinet
The cabinet provides mounting for the Main Board, the Telephone Interface Module Board,
and up to two optional Audio Delay Module Boards. The cabinet can be installed in a
standard 19" wide equipment rack. The cabinet is constructed from three basic parts: An
Iridite-plated chassis box, an Iridite-plated chassis cover, and a black anodized front panel.
The cabinet occupies 1-3/4" of vertical rack height, and measures about 7" deep. This
shallow cabinet may be installed in any rack, including the slim Motorola rack cabinets.
c. Main Board
The 6K Main Board measures 6" deep by 8" wide, and can operate as a stand-alone
controller. The digital portion of the board contains the microprocessor, memory, and logic
input/output circuits. The analog portion contains the DTMF encoder/decoder, audio
crosspoint switch, tone synthesis, and audio interface circuits. Two connectors, a DB25
female and a 2.5 mm DC power jack, are mounted on the Main Board. These connectors
protrude through cutouts in the rear of the cabinet, allowing the interior of the cabinet to be
free of wiring harnesses.
d. Telephone Interface Module
The Telephone Interface Module (TIM) is constructed on a 3" by 6" PC board, and adds
Autopatch, Reverse Patch, and Phone Line Control capabilities to the 6K Main Board. It is
registered with the FCC under Part 68 Rules, eliminating the need for a separate telephone
6K V1.02 03-16-91
DESCRIPTION
2