DB25 (CRAFT) connector

pin 1 Chassis ground

pin 2 RxDA, 68692 channel A receive

pin 3 TxDA, 68692 channel A transmit

pin 4 CTS, 68692 IP0 ← This is added as an engineering change

pin 5 RTS, 68692 OP0

All other pins are no connect

Null modem from DB9 to CRAFT (DB25)

DB9      DB25

2 ———————- 3

3 ———————- 2

7 ———————- 4

8 ———————- 5

5 ———————- 7