UTC RETAIL 3170 Series Podręcznik Użytkownika Pobierz pdf (Strona 6)

Motherboard Jumpers and Connectors

Serial Port Power Selection

The 3170 Series COM1 serial port is shipped factory set for modem operation. Pin 1 is for DCD (Data Carrier

Detect), pin 9 for RI (Ring Indicator). Therefore, JP3 (COM1) has pins 1 and 2 jumpered.

COM2, COM3 and COM4 are shipped factory set to provide +5VDC on Pin 9. Therefore, JP3 has pins 9 and 10

jumpered, JP7 and JP6 have pins 1 and 2 jumpered, and pins 9 and 10 jumpered.

1 2 3 4 5 6 7 8 9 10 11 ... 15 16

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UTC RETAIL 3170 Series Podręcznik Użytkownika Strona 6