SCS Pactor/Signalink Switch Box

Purpose

Provide an easy way to switch between the SCS DR-7600 Pactor Modem and the Signalink USB sound card system for use with the Yaesu FT-897 transceiver.

CAT Connector

Data Connector

SCS DR-7600 Pactor Modem

Computer connection: Bluetooth

Radio Connection: Eight-pin mini-DIN CAT cable and six-pin mini-DIN data cable.

Signalink USB Sound card System

Computer connection: USB Cable to Signalink and USB to eight-pin mini-DIN CAT cable to the Yaesu FT-897 transceiver.

Radio Connection: Six-pin mini-DIN data cable.

Plan

Create a connector box with input and outputs for cables and switches to control the selection of the SCS modem or the Signalink Sound card.

Parts

1. Two Eight pole two-position switch
2. Ferrite rings for cables
3. Shielded wire
4. Project box  

Process

• Eight pole two-position switch (CAT)
  • Button Faces Left
    • Pins 1-3 correspond to Pin 1
    • Pins 4-6 correspond to Pin 2
    • Pins 7-9 correspond to Pin 3
    • Pins 10-12 correspond to Pin 4
    • Pins 13-15 correspond to Pin 5
    • Pins 16-18 correspond to Pin 6
    • Pins 19-21 correspond to Pin 7
    • Pins 22-24 correspond to Pin 8
• Eight pole two-position switch (Data)
  • Button Faces Left
    • Pins 1-3 correspond to Pin 1
    • Pins 4-6 correspond to Pin 2
    • Pins 7-9 correspond to Pin 3
    • Pins 10-12 correspond to Pin 4
    • Pins 13-15 correspond to Pin 5
    • Pins 16-18 correspond to Pin 6
    • Pins 19-21 Not used
    • Pins 22-24 Not used
• Ferrite rings for cables
• Shielded wire
• Project box

Procurement

Site: Jameco

Item	Jameco #	Quantity	Unit Cost	Total
SOCKET,MINI DIN,8-PIN,1A,2A@100VAC,12VDC,SOLDER,PANEL MOUNT,	2272703	3	$2.09	$6.27
SOCKET,MINI DIN,6-PIN,1A,2A@100VAC,12VDC,SOLDER,PANEL MOUNT,	2076762	3	$2.09	$6.27
SWITCH,PB,8PDT,ON-OFF,.5A@100VAC/.2@250VAC,PCB/SOLD EYE,R/A	2276527	2	$2.65	$5.31
CASE, INSTRUMENT,7.9”x6.3×2.5 GRAY CASE/END PLATES BLACK	18869	1	$8.95	$8.95
Subtotal:				$26.80
Shipping:				$8.85
Sales Tax:				$3.36
Total for this Order:				$39.01

Faceplates

Final Results

Build Location

Wiring Ports to Switches

Top View

Side View

Unlabeled Switch Testing

Rear Area Labeled

Front Labeled