Iei-integration NANO-9453 v1.12 Manual de usuario Pagina 86

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NANO-9453 EPIC Motherboard
Page 68
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
33 RECEIVE DATA (RXD4) 34 REQUEST TO SEND (RTS4)
35 TRANSMIT DATA (TXD4) 36 CLEAR TO SEND (CTS4)
37 DATA TERMINAL READY (DTR4)
38 RING INDICATOR (RI4)
39 GND 40 GND
Table 4-19: 4-Port Serial Port Connector
4.2.18 USB Connectors (Internal)
CN Label:
USB01 and USB23
CN Type:
8-pin header (2x4)
CN Location:
See
Figure 4-20
CN Pinouts:
See
Table 4-20
The 2x4 USB pin connectors each provide connectivity to two USB 1.1 or two USB 2.0
ports. Each USB connector can support two USB devices. Additional external USB ports
are found on the rear panel. The USB ports are used for I/O bus expansion.
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