User`s manual

ECM-5716 Series
ECM-5716 Series User’s Manual 31
3.7.19 Pin Header Serial Port 2 Connector in RS-485 Mode (JCOM2)
Signal PIN Signal
TX- 1 2 NC
TX+ 3 4 NC-
GND 5 6 NC
NC 7 8 NC
NC 9 10 NC
3.7.20 Signal Description – Serial Port 2 in RS-485 Mode (JCOM2)
DATA +/- This differential signal pair sends and receives serial data to the communication link. The
mode of this differential signal pair is controlled through the RTS register of Serial Port 2.
Set the RTS register of the Serial Port 2 to LOW for transmitting, HIGH for receiving.
3.7.21 Front Panel Connector (JFP)
Signal PIN Signal
HWRST# 1 2 VCC5SBY
GND 3 4 GND
VCC5 5 6 VCC5
HDLED 7 8 GND
VCC5SBY 9 10 VCC5SBY
PWRBT 11 12 SUSLED
EXTSM# 13 14 VCC5
GND 15 16 SPKIN
1, 3 Reset SW
9, 11 Power SW
10, 12 Suspend LED
13, 15 Suspend SW