Specifications

ACCESSORY (ACC) TAB

MK2R's Accessory connector supports 12 I/O functions which can be assigned to six "ports."

Note : all lines are TTL level. If you use them, be sure to user proper buffering and/or level

conversion. The state of each line is indicated with a red arrow for high (+5V).

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. The serial devices are not yet supported.

RADIO 1 RADIO 2

Available Functions – Pins 4, 5 Available Functions – Pins 2, 3

– RADIO 1 INHIBIT OUT – RADIO 2 INHIBIT OUT

– RADIO 1 PTT1 OUT – RADIO 2 PTT1 OUT

– RADIO 1 PTT2 OUT – RADIO 2 PTT2 OUT

– TX FOCUS OUT – TX FOCUS OUT

– RX FOCUS OUT – RX FOCUS OUT

– STEREO FOCUS (SPLIT) OUT – STEREO FOCUS (SPLIT) OUT

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