User manual

GMB-910 User Manual 16
1.13.3 Serial Port Connector 34 (COM34) (optional)
1.13.4 Serial Port Connector 56 (COM56) (optional)
DDCD3_N
RRXD3
TTXD3
DDTR3_N
GND
DDCD4_N
RRXD4
TTXD4
DDTR4_N
GND
DDSR3_N
RRTS3_N
CCTS3_N
RRI3_M
GND
DDSR4_N
RRTS4_N
CCTS4_N
RRI4_N
GND
DDCD5_N
RRXD5
TTXD5
DDTR5_N
GND
DDCD6_N
RRXD6
TTXD6
DDTR6_N
GND
DDSR5_N
RRTS5_N
CCTS5_N
RRI5_M
GND
DDSR6_N
RRTS6_N
CCTS6_N
RRI6_N
GND