User manual

Microgate MicroGraph LED User Manual Page 8 of 88
1.3 CONNECTIONS
SERIAL 1 Input/Output (6-pole Amphenol)
1 Serial 1 RS232 TX (output)
2 Serial 1 SYNC IN (input)
3 Serial 1 RS485+
4 Serial 1 RS485-
5 Serial 1 GND (cable braiding)
6 Serial 1 RS232 RX (input)
SERIAL 2 Input/Output (6-pole Amphenol)
1 Serial 2 RS232 TX (output)
2 Serial 2 SYNC OUT (output)
3 Serial 2 RS485+
4 Serial 2 RS485-
5 Serial 2 GND (cable braiding)
6 Serial 2 RS232 RX (input)
Note: At present the Serial2 port is used by the internal software only as OUTPUT (for cascading
connection of several display boards). If a chronometer or a PC is connected to this port, input
data is not received.
START – STOP – LAP Input/Output (6-pole Amphenol)
1 START signal (input)
2 Controlled output 5V, max 500mA (for external device power supply)
3 GND
4 LAP signal (input)
5 STOP signal (input)
6 AUX signal (input)
Figure 4 - 6-pole Amphenol connector