The following are the GeoPort Telecom Adapter Mini-DIN 9 pin assignments:
Pin # Standard GeoPort DMA GeoPort Non-DMA
Definition Definition Definition
1 HSK(0) POD RESET/ATT POD RESET/ATT
2 HSK(I) SCLK(I) SCLK(I)
3 TxDa- TxDa- TxDa-
4 SHIELD_GND GND_return GND_return
5 RxDa- RxDa- RxDa-
6 TxDa+ TxDa+ TxDa+
7 GPi(A) WAKEUP/TxHS Unused
8 RxDa+ RxDa+ RxDa+
9 +5 VDC DC Power DC Power (If available)
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