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ACCESSORY (ACC) TAB
MK2R's Accessory connector supports 29 I/O functions which can be assigned to six "ports."
The left half of the Accessory tab is for RADIO1 (pins 4-9) - the right half for RADIO2 (pins 2,3 and 10-13). Pins
2, 3, 4, 5 are fully configurable and provide radio specific and global functions. Pins 6-9 and 10-13 are
programmed as a group.
RADIO 1 RADIO 2
Available Functions – Pins 4, 5 Available Functions – Pins 2, 3
• RADIO 1 ENABLE • RADIO 2 ENABLE
• RADIO 1 INHIBIT IN • RADIO 2 INHIBIT IN
• RADIO 1 PTT1 OUT • RADIO 2 PTT1 OUT
• RADIO 1 PTT2 OUT • RADIO 2 PTT2 OUT
• RADIO 1 PA PTT • RADIO 2 PA PTT
• RADIO 1 LNA PTT • RADIO 2 LNA PTT
• RADIO 1 TX FOCUS • RADIO 2 TX FOCUS
• RADIO 1 RX FOCUS • RADIO 2 RX FOCUS
• STEREO FOCUS (SPLIT) OUT • STEREO FOCUS (SPLIT) OUT
• CW INPUT (Straight key) • CW INPUT (Straight key)
• SERIAL DEVICE 1 (both pins) • SERIAL DEVICE 2 (both pins)
Available Functions – Pins 6-9 Available Functions – Pins 10-13
• RADIO 1 BAND DATA OUTPUT • RADIO 2 BAND DATA OUTPUT
• RADIO 1 BAND DATA INPUT • RADIO 2 BAND DATA INPUT
• LPT pins 2, 7, 8, 9 COPY OUT • LPT pins 2, 7, 8, 9 COPY OUT
• BAND DATA OUT – Active Radio • BAND DATA OUT – Active Radio
• PROTOCOL CONTROLLED • PROTOCOL CONTROLLED
Note : all signals are TTL: be sure to use proper buffering and/or level conversion.
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