2 System tour22
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Front panel connectors
The front panel connectors (F_PANEL1) are for electrical connection to the front
panel switches and LEDs.
F_PANEL1 front panel pin definition
Serial port connector (for selected models)
The serial port connector (JCOM1) is a 16550A high speed communication port
that sends/receives 16 bytes FIFOs and connects to a serial device.
Serial port pin definition
PIN SIGNAL DESCRIPTION
1 Storage_LED + Hard disk LED pull-up
2 FP PWR/SLP MSG LED pull-up
3 Storage_LED - Hard disk active LED
4 FP PWR/SLP MSG LED pull-up
5 RST_SW - Reset Switch low reference pull-down to GND
6 PWR_SW+ Power Switch low reference pull-up
7 RST_SW + Reset Switch high reference pull-up
8 PWR_SW- Power Switch high reference pull-down to GND
9 RSVD_DNU Reserved. Do not use
10 None No pin
Pin Signal Description
1 DCD Data Carry Detect
2 SIN Serial In or Receive Data
3 SOUT Serial Out or Transmit Data
4 DTR Data Terminal Ready
5 GND Ground
6 DSR Data Set Ready
7 RTS Request To Send
8 CTS Clear To Send
9 RI Ring Indicate
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