Eurotech Apollo - Page 38

APOLLO user manual
Issue G
38
J7B and J7C – COM1 and COM2 RS232 serial ports
DB9 male
PC99 Colour: Aqua
Pin Signal name Pin Signal name
1 Data Carrier Detect
(DCD)
2 Receive Data (RX)
3 Transmit Data (TX) 4 Data Terminal Ready
(DTR)
5 Ground 6 Data Set ready (DSR)
7 Request To Send
(RTS)
8 Clear To Send (CTS)
9 Ring Indicator (RI)
J8 – S/PDIF digital output
3-way 2mm pitch shrouded header.
Mating connector: JST PHR-3
Mating connector crimps: JST SPH-004T-P0.5S
Pin Signal name
1 +5V
2 S/PDIF output to
optical transmitter
3 GND
J9 – CD audio input
4-way 2mm pitch shrouded header.
Mating connector: JST PHR-4
Mating connector crimps: JST SPH-004T-P0.5S
Pin Signal name
1 Left channel
2 Ground
3 Right channel
4 Ground
9 6
5
1
1 4
1 3