Serial Cable Wiring
The following charts contain the pin outs for straight-through cables, rolled cables, and the required LEO-PA adapter.
Straight-Through Cable - ADU ↔ BDU, BDU Iridium ↔ LEO-PA Adapter
Rolled Cable - BDU GPS ↔ Lantronix 5000/500/LM80/LM83X
DB-9 to RJ45 - LEO-PA Adapter