User manual

TREK-753 User Manual 36

4.4 RS-232 Connector (COM8)

4.5 LED Indicator

This system power indicator is an orange LED, controlled by hardware.

This LED will be lit on when the system is in NORMAL mode.

When system is off, this LED will not be lit.

Table 4.3: RS-232 Connector (COM8)

Pin Signal Pin Signal

1 RS-232 DCD 2 RS-232 RXD

3 RS-232 TXD 4 RS-232 DTR

5 RS-232 Ground 6 RS-232 DSR

7 RS-232 RTS 8 RS-232 CTS

RS-232 RI / +12 VDC (max. 2500

mA)