Custom Products from Masters Communications
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Custom Products from Masters Communications |
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This module works with many Motorola radios that utilize a 16/20 dual row option connector.
Converts the radio's 16 pin (or 20 pin) accessory (option) jack to Mini-DIN-6 female.
AllStar Link compatible.
Works on Motrola Radius - MaxTrac - GM300 - CM200 - M1225 - SM50, and CDM Series.
NOTE: This module DOES NOT WORK with the GTX Series mobile radios.
Pricing:
Assembled and Tested - $16.00 each.
Shipping and handling is calculated at checkout for US and International orders.
First-Class shipping available to most locations worldwide, calculated at checkout.
PayPal and most Credit and Debit Cards accepted - order below.
TX Baud Rate Selection Header Illustration:
TX Baud Jumper shown in "9600 Baud" position.
Click to view larger image.
Motorola-16 installed on a Motorola Radius Mobile:
Radio is shown upside-down to illistrate proper installation.
Click to view larger image.
Click to view larger image.
Click to view larger image.
Description:
This connector adapter attaches to SOME Motorola radios that have a 16 or 20 pin
accessory (option) jack. It converts the 16 or 20 pin option jack to Mini-DIN-6 female,
allowing an inexpensive Mini-DIN-6 male-to-male cable to be used between the radio and RA/DRA. Our
DRAC-12 or DIN6-Shortie cable is compatible with this adapter board. The 16 pin female socket has
gold plated contacts.
This adapter is designed to work with packet (digital data) or AllStar Link. Squelch logic is properly routed from pin 12 of the 16 pin connector to pin 6 of the Mini-DIN-6. This signal is necessary for ASL to work.
This adapter allows both 1200 (MIC) and 9600 (Modulator) audio connections to the transmitter. It also routes both 1200 (Speaker) and 9600 (Discriminator) receiver audio to separate pins on the Mini-DIN-6 connector under the industry standard pinout. The TX selection is done by the TX Baud header on this board. The RX baud selection is done on the RA / DRA. No Soldering Required!
These dual audio paths allow you to use the best audio for the fastest digital data or best sounding voice audio, or even utilize the usbradio channel driver in AllStar Link.
The board simply plugs in - being mindful of proper orientation so the pins align correctly. The board has the pin numbers to plainly identify them, and many examples of radio pinouts are available online.
**NOTE**
If using a MaxTrac/GM300 type radio, the board can only be inserted one way due to its physical design.
If using a M1225 or SM series radio, the radio's option connector is inverted. Make sure you know the
pinout of your radio so you can install the adapter correctly. On 20-pin radios, the adapter is centered
over the option connector so the same number of unused pins are showing on each side.
On MaxTrac radios, the internal speaker can be enabled by installing a jumper (short) over the
two pins of the MAX-SPKR header.
For other radios - this jumper MUST be removed.
Notes for use with a CDM series radio for VARA FM Wide or 9600 baud packet:
Under Radio Configuration > Accessory Pins:
Change Pin 3 to "Data PTT (input)" instead of the default setting "External Mic PTT (input)"
Change RX audio type to "Flat Audio"
Notes for use with AllStar Link:
Under Radio Configuration > Accessory Pins:
Change Pin 12 to "Active Low COS"
COS then appears at pin 6 of the Mini-DIN-6. This assumes the radio has been programmed
to output the active low COS signal on pin 12 of the radio's 16/20 pin accessory connector.
The wiring table for this adapter follows the industry standard for a Mini-DIN-6 connection
and is compatible with all RA and DRA interfaces with a Mini-DIN-6 connector.
Available assembled and tested (only).
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Product of Masters Communications, all rights reserved.
Specifications may change without notice.
Images are property of Kevin Custer - W3KKC
Radio images supplied by Scott Currie - NS7C
Board layout by Kevin Custer - W3KKC
Concept of Scott Currie - NS7C
HTML April 5, 2022, W3KKC All Rights Reserved!