Got my pin-diagram from Juan Jimenez today, THANX

This is how it looks:

TERRA TRT-250 TRANSPONDER

*17 - A2
*5 - A1
*15 - B1
*2 - B2
*14 - B4
*18 - C4
*16 - A4
*3 - C1
*4 - C2
*9 - D4
*1 - SUPPRESSION OUT
*8 and 20 - SWITCHED POWER OUT
*6 - EXT. DME SUPPRESSION IN
*7 and 19 - POWER IN 12 VDC
*11 and 21 - POWER GROUND
*12 and 24 - REMOTE GROUND

Cabel lengths:
RG-58A/U - max 9 ft.
RG-8A/U - 17 ft.